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OneSignal is a leading omnichannel customer engagement solution, powering personalized customer journeys across mobile and web push notifications, in-app messaging, SMS, and email. On a mission to democratize engagement, we enable over a million businesses to keep their users - including readers, fans, players and shoppers - engaged and up to date by delivering 12 billion messages daily.
1 in 5 new apps launches using OneSignal! We support companies in 140 countries, including Zynga, USA Today, Bitcoin.com, Eventbrite, Tribune, and many more - from startups and small businesses just getting off the ground to established companies communicating with millions of customers.
We’re Series C, venture-backed by SignalFire, Rakuten Ventures, Y Combinator, HubSpot, and BAM Elevate. We offer remote work as the default option in the United States in California, New York, Pennsylvania, Texas, Utah and Washington. As well as in the UK and Singapore - with plans to expand the locations we support in the future. Some roles are hybrid roles and will be listed as such. We have offices in San Mateo, CA and London, UK, and offer flex seating options for employees to work together in-person where we don't have offices. Hiring in Singapore is done in partnership with a local PEO.
OneSignal has a lot of the great tech startup qualities you'd expect, but we don't stop there. Our massive scale and small team, emphasis on healthy life balance and kindness in all our interactions, and focus on ownership and personal growth make OneSignal a uniquely great place to work.
About The Team:
The data team is a highly strategic and analytical team that helps guide and implement strategic initiatives across the company. We are looking for a Data Engineer to organize and scale our data across the company to drive visibility into performance and strategy across our sales, marketing, product, operations, finance, and engineering efforts.
What You'll Do:
* Design, build, and maintain business-critical data and distributed systems that will provide real-time and reliable data for all of our go-to-market tools and internal users
* Connect our production backend/data to business systems including Salesforce, Marketo, Intercom, Google Analytics, Metabase, etc. This can include working with a data warehouse/data lake, organizing large-scale data (we send 10 billion notifications a day), and building ETLs to business systems* Evaluate ways to increase the efficiency of internal data flows and centralize sources of truth* Innovate, design, and build data systems, services, and tools using GCP (Google Cloud Platform) that scale with OneSignal’s products and business requirements* Work cross-functionally with engineering and business teams including operations, product, marketing, sales, customer success, support, engineering, and finance* Work with Airflow, DBT, Presto, BigQuery, and Hightouch and introduce the latest tools* Build data validation processes to ensure high-quality data across the organizationWhat You'll Bring:
* 5+ years of professional experience in a technical area at a high-growth startup is preferred
* Strong proficiency with SQL, Python, and Airflow* Self-driven and ability to identify problems and implement and identify solutions* A combination of technical and business acumen. The ideal candidate would have an understanding of SaaS metrics and growth company infrastructure scaling challenges* Strong interpersonal and communication skills and experience working cross-functionally* Experience modeling data in a growing and dynamic business environment* Experience building data validation and working with DBT is a plusThe New York and California base salary for this full-time position is between $160,000 to $180,000. Your exact starting salary is determined by a number of factors such as your experience, skills, and qualifications. In addition to base salary, we also offer a competitive equity program and comprehensive and inclusive benefits.
Qualities we look for:
* Friendliness & Empathy
* Accountability & Collaboration* Proactiveness & Urgency* Growth Mindset & Love of LearningIn keeping with our beliefs and goals, no employee or applicant will face discrimination/harassment based on: race, color, ancestry, national origin, religion, age, gender, marital domestic partner status, sexual orientation, gender identity, disability status, or veteran status. Above and beyond discrimination/harassment based on 'protected categories,' we also strive to prevent other, subtler forms of inappropriate behavior (e.g., stereotyping) from ever gaining a foothold in our office. Whether blatant or hidden, barriers to success have no place in our workplace.
Applicants with disabilities may be entitled to reasonable accommodation under the terms of the Americans with Disabilities Act and certain state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on OneSignal. Please inform us if you need assistance completing any forms or to otherwise participate in the application and/or interview process.
OneSignal collects and processes personal data submitted by job applicants in accordance with ourPrivacy Policy - including GDPR and CCPA compliance. Please see our privacy notice for job applicants.
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Latest post about 17 hours agoApollo is hiring a remote Senior Frontend Engineer. This is a full-time position that can be done remotely anywhere in India.
Apollo - Apollo is the all-in-one sales intelligence platform.
Sourcegraph is hiring a remote Support Engineer [IC2]. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
Sourcegraph - Advanced code search.
Time zones: EST (UTC -5), CST (UTC -6), MST (UTC -7), PST (UTC -8), AKST (UTC -9), HST (UTC -10), ART (UTC -3), UTC -4, UTC -4:30, UTC -3, UTC -2, SBT (UTC +11), GMT (UTC +0), CET (UTC +1), EET (UTC +2), MSK (UTC +3), AST (UTC -4), FKST (UTC -3), NST (UTC -3:30)
The Company
SimplyAnalytics is a powerful spatial analytics and data visualization application used by thousands of business, marketing, and social science researchers in the United States and Canada. It comes pre-packaged with 200,000+ data variables and allows our users to create maps, charts, tabular reports, and crosstabs. We are passionate about creating outstanding software, and we believe in test driven development, continuous integration, and code review.
As a smaller company, each of our developers has an important role to play - at SimplyAnalytics, you are not just another cog in the wheel, you are an integral member of our team. You will be working on valuable features and making key decisions that impact the direction of the product and our users. In addition, we provide an excellent work-life balance, with 100% remote work, 20 personal days off, flexible work hours, a collaborative work environment, and quarterly “professional development days” to explore and share your interests with the rest of the team.
**The Role
**We're looking for a Senior Frontend Developer to take on an important role in the development and maintenance of our cutting edge analytics and data visualization application. You'll be developing and maintaining production-quality in-house tools and customer-facing features within a large shared code base.The ideal candidate has experience working on complex single-page applications, is a self-starter, has a high level of attention to detail, is comfortable asking questions, enjoys working with talented colleagues, and has an interest in analytics and data visualization.
We are a 100% remote company. Our employees can live and work anywhere in Canada, the United States, Mexico, Central America, South America, or Europe. This is a full-time salaried position. When applying, please include a cover letter.
Responsibilities:
- Design, develop, and test features, both in-house and customer-facing
- Write modern high-quality, clean, scalable, and maintainable code
- Contribute ideas for new features or improvements to existing features
- Assist colleagues through code-review, collaboration, and troubleshooting
Required:
- 8+ years of professional software development experience on large, structured code bases using vanilla JavaScript (this is not a React, Angular, Node.js, or full-stack position)
- Strong UI development skills (CSS & HTML)
- Open to learning new technologies
- Self-starter who gets things done
- Attention to detail
Bonus:
- Experience implementing data tables, charts, graphs, or other data visualizations
- Experience working on complex analytics, data visualization, or mapping applications
- D3.js experience
- MapLibre GL JS or Mapbox GL JS experience
- Experience with geospatial, demographic, business, marketing, or health data
- Experience with TypeScript
- Comfortable using Linux CLI
Time zones: EST (UTC -5), CST (UTC -6), MST (UTC -7), PST (UTC -8), ART (UTC -3), UTC -4, UTC -4:30, UTC -3, UTC -2, SBT (UTC +11), GMT (UTC +0), CET (UTC +1), EET (UTC +2), MSK (UTC +3), AST (UTC -4), FKST (UTC -3), NST (UTC -3:30), JST (UTC +9), CST (UTC +8), WIB (UTC +7), MMT (UTC +6:30), BST (UTC +6), NPT (UTC +5:45), IST (UTC +5:30), UZT (UTC +5), IRDT (UTC +4:30), GST (UTC +4), LINT (UTC +14), TOT (UTC +13), CHAST (UTC +12:45), LHST (UTC +10:30), AEST (UTC +10), ACST (UTC +9:30), ACWST (UTC +8:45), MART (UTC -9:30), NUT (UTC -11)
Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe.
What we offer:
- Earn $5k—$10,4k monthly: the rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers.
- No more hunting for clients or negotiating rates — let us handle the business side of things so you can focus on what you do best.
- We'll manually find the best project for you according to your skills and preferences.
- Choose a schedule that works best for you. It’s possible to communicate async or minimally overlap within team working hours.
- We respect your seniority so you can expect no micromanagement or screen trackers.
- Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah?
- We will support you from the time you submit the application throughout all cooperation stages.
- Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.
- Through our community, we will connect you with the best developers from more than 50 countries.
Requirements:
- 4+ years of software development experience.
- 3+ years of commercial experience with React.js.
- 3+ years of commercial experience with Python
- 3+ years of commercial experiencw with AWS is a must
- Hands-on experience with Next.js, TypeScript, PostgreSQL, Node.js would be a plus.
- Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture.
- Clear and effective communication in English — advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
- Strong self-organizational skills — ability to work full-time remotely with no supervision.
- Reliability — we want to trust you and expect that you won’t let us and the client down.
- Adaptability and Flexibility — the ability to onboard the project promptly after accepting it and start delivering results quickly.
Sounds good for you? Apply now and join the Lemon.io community!
**NOT YOUR TECH STACK?
**We have different projects for Senior Developers, so if you have 4+ years of commercial experience in software development and you are fluent with React & Node.js, AI Engineering, .NET and Angular, Blockchain, Solidity we would be happy to communicate and provide you with a project that matches your experience. Just apply, and we will share more details with you.
**If your experience matches our requirements, be ready for the next steps:
**- VideoAsk — watch a short video about our startup, up to 10 minutes
- Complete your profile on our website
- 30-minute screening call
- Technical interview
- Feedback
- Magic Box (we are looking for the best project for you).
P.S. We work with developers from 50+ countries in different regions: Europe, LATAM, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), Canada, and the UK. However, we have some exceptions.
**
At the moment, we don’t have a legal basis to accept applicants from the following countries**- European: Iceland, Liechtenstein, Kosovo, Belarus, Russia, and Serbia.
- Latin America: Cuba and Nicaragua
- Most Asian countries and Africa.
We expand and shorten the list of exemptions regularly.
Do you represent a company with engineers who match the description and want to collaborate with us through staff augmentation? Then register here.
About the Company
Libre is focused on the design and development of a blockchain-based protocol to eliminate inefficiencies in legal, financial and operational workflows for private markets. Going beyond the simple concept of tokenisation and enabling seamless access to private markets directly on-chain, regardless of the end-user platform and/or public network where the user is based
Libre’s product focus is to tokenise the funds on a blockchain infrastructure and enable future composability of the digital security assets with other institutional on-chain services e.g., collateralised lending and secondary trading.
About the role:
We are looking for an experienced Solidity Developer to join our team, working on cutting-edge projects. You will play a key role in designing, developing, and maintaining blockchain-based solutions that ensure stability, security, and scalability for our real-world asset tokenisation ecosystem. This is an exciting opportunity to work at the forefront of blockchain and financial technology, contributing to the future of tokenised assets.
What you are good at:
- Writing and reviewing high assurance code, tests, invariants and other deliverables for our protocol projects using industry best-practices
- Designing, implementing, and deploying secure and efficient Solidity-based smart contracts for Libre’s protocol
- Emphasis on robust process, continuous learning and ownership including collaborating with external audit firms as needed
- Contributing and evolving our internal methodologies, coding standards, review methods and other standard operating procedures
- Troubleshooting and optimizing smart contracts while staying current with blockchain trends and advancements
- Contributing to our cross-chain capabilities by building robust integrations and maintaining multichain compatibility
- Closely collaborating with members across various teams
- Staying updated on the latest developments in blockchain technology, DeFi protocols, and trends in digital asset management
What you bring:
- 3+ years of experience in solidity development, with a proven track record of deployed contracts on mainnet
- Strong knowledge of EVM
- Extensive experience in developing complex smart contracts. Familiar with tooling such as Foundry, Hardhat or Remix
- Understanding of the DeFi landscape, such as lending protocols, AMMs, Perps and stablecoins
- Ability to effectively communicate, collaborate and connect with clients, partners and other third parties
- Excellent problem-solving skills, attention to detail, and the ability to work collaboratively in a team environment
Bonus Qualifications
- Experience with multichain environments and integrating across erse blockchain ecosystems
- Knowledge and experience with real-world assets (RWAs)
- Public GitHub contributions to high-quality projects in the Ethereum or broader Web3 space
- Experience in developing off-chain applications that integrate with web3 protocols, using libraries such as Web3.js and ethers.js
- Knowledge in Traditional Finance, and the intersection between traditional finance and blockchain, such as Tokenisation
What we offer:
- Competitive salary and benefits package
- Opportunity to work on challenging and impactful projects
- Collaborative and supportive work environment
- Opportunities for professional growth and development
Babylon is looking to hire a Developer Relations Engineer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
Time zones: EST (UTC -5), CST (UTC -6), MST (UTC -7), PST (UTC -8), AKST (UTC -9), HST (UTC -10), ART (UTC -3), UTC -4, UTC -4:30, UTC -3, UTC -2, SBT (UTC +11), GMT (UTC +0), CET (UTC +1), EET (UTC +2), MSK (UTC +3), AST (UTC -4), FKST (UTC -3), NST (UTC -3:30)
The Company
SimplyAnalytics is a powerful spatial analytics and data visualization application used by thousands of business, marketing, and social science researchers in the United States and Canada. It comes pre-packaged with 200,000+ data variables and allows our users to create maps, charts, tabular reports, and crosstabs. We are passionate about creating outstanding software, and we believe in test driven development, continuous integration, and code review.
As a smaller company, each of our developers has an important role to play - at SimplyAnalytics, you are not just another cog in the wheel, you are an integral member of our team. You will be working on valuable features and making key decisions that impact the direction of the product and our users. In addition, we provide an excellent work-life balance, with 100% remote work, 20 personal days off, flexible work hours, a collaborative work environment, and quarterly “professional development days” to explore and share your interests with the rest of the team.
**The Role
**We're looking for a Senior Frontend Developer to take on an important role in the development and maintenance of our cutting edge analytics and data visualization application. You'll be developing and maintaining production-quality in-house tools and customer-facing features within a large shared code base.The ideal candidate has experience working on complex single-page applications, is a self-starter, has a high level of attention to detail, is comfortable asking questions, enjoys working with talented colleagues, and has an interest in analytics and data visualization.
We are a 100% remote company. Our employees can live and work anywhere in Canada, the United States, Mexico, Central America, South America, or Europe. This is a full-time salaried position. When applying, please include a cover letter.
Responsibilities:
- Design, develop, and test features, both in-house and customer-facing
- Write modern high-quality, clean, scalable, and maintainable code
- Contribute ideas for new features or improvements to existing features
- Assist colleagues through code-review, collaboration, and troubleshooting
Required:
- 8+ years of professional software development experience on large, structured code bases using vanilla JavaScript (this is not a React, Angular, Node.js, or full-stack position)
- Strong UI development skills (CSS & HTML)
- Open to learning new technologies
- Self-starter who gets things done
- Attention to detail
Bonus:
- Experience implementing data tables, charts, graphs, or other data visualizations
- Experience working on complex analytics, data visualization, or mapping applications
- D3.js experience
- MapLibre GL JS or Mapbox GL JS experience
- Experience with geospatial, demographic, business, marketing, or health data
- Experience with TypeScript
- Comfortable using Linux CLI
Come join the team as a Senior Backend Engineer at Symphony Labs! You will be working alongside the founding team and play a crucial role in reshaping the future of DeFi.
As a Senior Backend Engineer, you will be instrumental in developing and deploying innovative solutions for secure and efficient systems. You will collaborate across teams to ensure seamless integration within our broader ecosystem and partners, and continuously drive innovation by staying at the forefront of blockchain technologies.
Qualifications:
- 2-5+ years of backend experience
- Strong backend development with Node.js, JavaScript, DeFi systems, backend architectures, database management, and experience integrating smart contracts
- Proficiency in Javascript and Solidity
- Rust and/or AI/LLMs experience is a plus
- Full KYC process for all hires
- Competitive salary with equity
- Globally remote (Americas timezones preferred)
- A passion for shaping the future of finance
The total compensation package (base salary and equity) for this role ranges from $120K-$350K+, with additional company benefits. The pay range provided reflects inidual compensation based on factors such as work location, assessed job-related skills, experience, and relevant education or training.
Join the Symphony Labs team!
We are building the first agnostic execution network, designed to unify DeFi’s fragmented landscape by enabling near-instant cross-chain transactions.
Symphony’s infrastructure reduces cross-chain execution time to under 3 seconds—45x faster than LayerZero and Axelar—creating a new standard for interoperability.
This is developed to address and solve liquidity fragmentation and the complex user experiences across chains, providing a seamless, unified solution for DeFi users and developers alike.Being the world’s first vertical agnostic infrastructure stack, Symphony enables anyone to execute anything across all chains and protocols without being burdened by bridges, multiple wallets, gas fees, etc.
Our team is composed of former Consensys, MetaMask, Kraken, and Axelar veterans, and we’re backed by top investors.
We are looking for an innovative, passionate, and productive person who is excited about building the future of accessible crypto applications, feels comfortable challenging opinions, and most importantly who shares with us the same desire to make DeFi useable again.
- Opportunity. We believe DeFi should be fast AND accessible. You’ll do high-impact work to enhance scalability, shaping the future of crypto
- Flexibility. We are a remote-first company, and collaborate synchronously and asynchronously, via daily all-hands meetings
- Culture. As an early member of our team, you’ll have a unique opportunity to help shape our culture. We value intellectual honesty, bias towards action, and believe every member plays a key role in achieving our ambitious goals
- Compensation. We offer a competitive salary + equity + benefits package
Learn more at: symphony.io
Symphony Labs is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other status protected by applicable laws or regulations. All employment decisions are based on qualifications, merit, and business need.
Time zones: EST (UTC -5), CST (UTC -6), MST (UTC -7), PST (UTC -8), AKST (UTC -9), HST (UTC -10)
About Us
Close is a bootstrapped, profitable, 100% remote, ~100 person team of thoughtful iniduals who prioritize taking ownership and making a meaningful impact. We’re eager to make a product our customers fall in love with over and over again.
We 💛 small scaling businesses. Since 2013, we’ve been building a CRM that focuses on better communication, without the hassle of manual data entry or a complex UI. We are out to supercharge sales productivity with the most modern, thoughtfully designed, all-in-one, communication-focused CRM.
Our backend tech stack consists primarily of Python Flask web apps with our TaskTiger scheduler handling many of the backend asynchronous task processing chores. Our data stores include MongoDB, PostgreSQL, Elasticsearch, and Redis. The underlying infrastructure runs on AWS using a combination of managed services like EKS, MSK, RDS and ElasticCache and non-managed services running on EC2 instances. We have CI/CD pipelines that build Docker images, run automated tests and deploy to Kubernetes clusters. We also use these images in our local development environment allowing coding locally against all of our services. We have a well-documented public API that is consumed by our front-end JavaScript app as well as numerous integrations. Our infrastructure is heavily automated using Terraform, Ansible and other AWS tools.
Our product development process is inspired by Shape Up. We love open sourcing our code and ideas on our GitHub and on The Making of Close, our behind-the-scenes Product & Engineering blog. Check out our open source projects like SocketShark, TaskTiger, LimitLion and ciso8601.
About the Role
You will be joining one of our six cross-functional teams. These are the CRM, Admin & Onboarding, Conversations, Messaging & Scheduling, Automations & Integrations and Data Insights teams. You will be regularly collaborating with other backend & frontend engineers, product managers, designers, and other teams here at Close.
About You
We’re looking for high achieving, full-time Software Engineers to join our engineering team. Someone who has a good understanding in web technologies and wants to help design, implement, launch, and scale major systems and user-facing features.
You're comfortable working in a fast-paced environment with a small and talented team where you're supported in your efforts to grow professionally. You're able to manage your time well, communicate effectively, and collaborate in a fully distributed team.
**
Come help us with projects like...**- Conceiving, designing, building, and launching new user-facing features
- Implementing new AI features to turbocharge our customers’ daily tasks
- Improving the performance and scalability of our GraphQL and REST API
- Improving how we sync millions of sales emails and calendar events each month
- Working with Twilio's API, WebSockets, and WebRTC to improve our calling features
- Building user-facing analytics features that provide actionable insights based on sales activity data
- Improving our Elasticsearch-backed powerful search features
- Improving our internal messaging infrastructure using streaming technologies like Kafka and Redis
- Building new and enhancing existing integrations with other SaaS platforms like Google’s G Suite, Zapier, and web conferencing providers
- Enhancing our web app with real-time updates powered by GraphQL Subscriptions
- Leveraging the latest AI LLMs from providers like OpenAI, Groq and AssemblyAI
**
Help manage our ever growing data processing needs…**- Billions of Mongo documents
- Millions and millions of rows of PostgreSQL data
- 55 Terabytes of logs / month
- 500 billion OTEL spans over the last 30 days
- 10+ million events / day
- Tens of thousands of docker containers
- 7 million minutes of call recordings / month
- Petabytes / month of network traffic
**
Requirements...**- Senior 1 & 2 level candidates should have 5+ years of experience building modern back-end systems. Staff level candidates should have 8+ years of experience. Mid-level candidates should have ~3 years of similar experience and be eager to level up with the right opportunity.
- Professional Python experience is preferred but a working knowledge of Python with additional experience in other languages is acceptable if you have a desire to work with Python.
- You have built web APIs that were Internet facing or supported other high volume loads.
- You have hands-on production experience working with MongoDB, PostgreSQL, Elasticsearch, or similar data stores.
- You have experience designing, scaling, debugging, and optimizing systems to make them fast and reliable.
- You have participated in code reviews and provided overall code quality suggestions to help maintain the structure and quality of the codebase.
- You care about the craftsmanship of the code and systems you produce.
- Located in the USA (lower 48 timezones).
**
Bonus point if you have**- Contributed open source code related to our tech stack.
- Led small project teams building and launching features.
- Built B2B SaaS products.
- Implemented features that leveraged AI to deliver unimaginable new product capabilities.
- Worked with complex architectures that support multiple APIs (e.g. REST, GQL, WebSockets) as well as async task and event processing frameworks.
**
🌏 Why Close?**- Watch our most recent culture video featuring our annual team retreat in Italy
- 100% remote company
- 5 weeks PTO + Winter & Summer Holiday Breaks with 2 additional PTO days for every year with the company
- 1 month paid sabbatical every 5 years
- Paid parental leave
- Medical, Dental, Vision with HSA option (US residents)
- 401k matching at 6% (US residents)
- Dependent care FSA (US residents)
- Our story and team 🚀
**
Our Values**- Build a house you want to live in -- Examine long-term thinking and action
- No BS -- Practice transparency and honesty, especially when it’s hard
- Invest in each other -- Build successful relationships with your coworkers and customers
- Discipline equals freedom -- Keep your word to yourself and others
- Strive for greatness -- Constantly challenge yourself and others
**
How We Work Together**- Productivity, Quality & Impact: We don’t track hours. We trust you’re an adult and know best how to prioritize, meet your goals and contribute at a high level.
- Asynchronous communication & collaboration: We have team members all over the world. We don’t expect anyone to work untraditional hours, that means our default is async. Most teams have 2-5 hours of internal meetings weekly.
- Appreciation for Deep Work: *During your normal work day, not after a day of meetings*.
- Autonomy & Freedom: Create a work environment that is sustainable for you. We place a high amount of trust and responsibility with our team members from the start.
We are looking for US-based Software Engineers to join our team. Base salary range for Senior I & II is $140,000 to $210,000.
**
About VCRED**VCRED is at the forefront of AI powered Defi / crypto trading technology, known as the AI Defi for facilitating over $10 million in volume traded by more than 50,000 daily active users. We deliver seamless on-chain trading experiences with advanced tools such as DCA & limit orders, sniping, and automatic wallet copy-trading. Our platform sets the standard in speed, innovation, and reliability. As we scale further, we aim to maintain our reputation as a market leader in crypto trading innovation.
**
Why Join Us?**At VCRED, we’re pushing the boundaries of on-chain trading technology. Joining our team offers you the chance to work on products that already serve a large and active user base, collaborating with top-tier engineers in a fast-paced and dynamic environment. Working at VCRED means having fast paced releases with your work being live in the hands of tens of thousands of users as soon as it’s complete.
**
Role Overview**We’re seeking a Backend Developer with proven expertise in building scalable and efficient backend systems using NodeJS, TypeScript, and relational databases like Postgres. The ideal candidate is a proactive developer who thrives on tackling complex challenges and ideally shares a passion for on-chain trading. As backend developer you’ll build new innovative features, bring on improvements to current products and resolve user requests.
**
Key Responsibilities**- Backend Development: Design, develop, and maintain robust backend systems using NodeJS and TypeScript to support real-time trading functionalities.
- Database Management: Query data from Postgres and Opensearch databases to analyze and display large-scale, real-time statistics.
- Blockchain Interactions: Read data from the Solana blockchain or send transactions to enable new trading features.
- Collaborate Across Teams: Work closely with designers, product teams and users to align backend solutions with platform objectives.
- Performance Optimization: Ensure backend systems deliver top-tier speed and efficient database queries without compromising on reliability.
- Problem Solving: Identify, debug, and resolve complex technical issues to maintain smooth platform operations.
- Code Quality: Uphold best practices by writing clean, efficient, and well-documented code.
**
Requirements**- Technical Expertise:
- Proficiency in NodeJS and TypeScript with 5+ years of experience in backend development.
- Strong command of relational databases like Postgres or MySQL, including design and optimization for high-performance high-reliability use cases.
- Experience in building backend systems serving a significant user base.
- Autonomy: Proven ability to work independently while driving projects to completion.
- Team Collaboration: Strong communication skills to work effectively within a cross-functional team.
- Trading Insight: Passion or experience in on-chain trading; being a part-time trader on Solana is a significant plus.
**
Preferred Experience**- Experience working on backend systems for crypto trading platforms, DeFi applications, or other data-heavy services.
- Familiarity with memecoin trading and the Solana ecosystem.
- Knowledge of CI/CD pipelines and development tools for streamlined deployments.
**
What We Offer**- Remote Flexibility: Work from anywhere on your schedule.
- Challenging Projects: Solve complex problems with cutting-edge technology in the trading space.
- Impactful Role: Shape backend systems powering one of the largest trading platforms on the market and shaping the experience of tens of thousands of daily users.
- Collaborative Culture: Join a team that values innovation, efficiency, and collaboration.
About us
Pass App is on a mission to ignite financial freedom and true ownership for people everywhere. Each member of our team takes ownership and contributes a unique piece to our journey into the exciting realm of web3. Together, we craft more than just meaningful products and services—we create a lasting tangible impact in the real world.
We want you to join our search for greatness at the edge of what is technologically possible. Are you tired of the ordinary? Crave a challenge that sparks passion and purpose? We’d love to have you apply!
Our Team Values
- We value iterative learning
- We value taking ownership and leading by example
- We value creating an environment where everyone can unleash their true potential
The role you’re applying for
As we aim to simplify the web3 experience, enhance user engagement through personalized recommendations, and take our users along in this journey of web3 awareness, we are leveraging cutting-edge AI technology to build a scalable web3 solution that abstracts away all the underlying complexity.
We’re on the lookout for a Senior Software Engineer with a knack for steering projects from inception to scale-up. If you thrive on delivering impactful products and possess a solid foundation in constructing scalable distributed systems, we’d love to have you on board. Bring your expertise to the table and join us in leveraging cutting-edge web3 technology to tackle real-world consumer challenges effectively.
Joining early, you’ll actively shape an innovative product and bring it to market while working closely with the leadership team to contribute to the company’s success.
What you’ll be doing
As a Senior Software Engineer, you will:
- Design, Develop and Maintain event driven micro services, creating robust APIs and middleware which facilitate secure and efficient interactions across blockchains
- Optimize blockchain data processing, implementing efficient methods for ingesting, storing, and querying on-chain data to support real-time analytics and user-facing applications
- Collaborate on cross functional autonomous squads, working closely with React Native mobile developers and product teams to deliver quality features in timely manner
- Contributing to application architecture that supports the product teams aspirational goals by considering performance, privacy, security, and maintainability
- Foster a collaborative and communicative environment where everyone is inspired to solve problems, and achieve shared goals
What we’re looking for
- Strong communication and collaboration skills, especially written
- Senior Software Engineer with 5+ years of professional hands-on experience
- Strong knowledge of data structures and algorithms
- Strong experience with building and maintaining scalable microservices systems
- Strong knowledge of event driven development and functional programming
- Strong knowledge of Node.js
- Proficiency in one or more programming languages (i.e TypeScript, Go)
- Proficiency in one or more Web3 libraries (i.e Web3.js or Ethers.js or Viem)
- Proficiency in crafting high-quality tests that enhance system functionality and reliability
Bonus skills
- Experience in integrating Web3 Infrastructure Solutions (i.e Moralis, Alchemy, Biconomy, Turnkey)
- Experience with building aggregation pipelines and indexing, utilizing various data sources (for example, external APIs, Web3 Providers, Smart contract events)
- Working knowledge of microserices frameworks (i.e Moleculer, NestJS)
- Deep interest in software, desire to understand the why and the how of everything you work on
- Experience with agile development methodologies
We got you covered
Working remotely is more than just a benefit or a perk. We believe in the power of remote work to unleash creativity and passion. Join our globally remote team with 35+ different nationalities and enjoy the flexibility to work from anywhere in the universe. As long as you are available in the European working timezone.
Join our team and pursue your passions on your own terms, while we provide you with learning and development budgets, personal development plans and team retreats to fuel your web3 curiosity.
Gusto is hiring a remote Engineering Manager, Growth. This is a full-time position that can be done remotely anywhere in the United States.
Gusto - The all-in-one people platform for payroll, benefits, HR.
Tackle is hiring a remote Platform Engineer (Mid-level). This is a full-time position that can be done remotely anywhere in the United States.
Tackle - Enterprise cloud commerce.
Time zones: EST (UTC -5), MST (UTC -7), ART (UTC -3), UTC -4, UTC -4:30, UTC -3, UTC -2
**About the Role:
**We’re partnering with a remote-based company that's seeking a Senior Shopify Developer to lead a team of developers in building a Shopify Embedded Application that aligns with Shopify's "Built for Shopify" guidelines. You will provide technical direction, manage milestones, and act as a liaison engineering/product leadership and the development team. This role requires strong technical expertise, leadership skills, and excellent communication.
Key Responsibilities:
- Technical Leadership: Break down project scope, Figma designs, and requirements into clear, actionable milestones and tasks.
- Team Management: Lead and mentor a team of 2 Intermediate Developers, providing technical guidance and ensuring the successful delivery of project goals.
- Project Management:
- Collaborate with engineering and product leadership.
- Communicate project progress, blockers, and resource needs through regular weekly updates.
- Ensure project milestones are met on time and within scope.
- Development: Contribute to coding and development tasks within Shopify's Embedded App ecosystem.
Required Skills & Experience:
- 5+ years of experience in software development, with strong expertise in Shopify Embedded Apps.
- Proficiency in the following technologies:
- Shopify CLI, App Bridge, Polaris, Shopify Admin API
- React / TypeScript, Shopify Remix, JavaScript
- REST APIs / GraphQL APIs
- Strong familiarity with Shopify Partners Admin, App Setup, and Shopify App Design Guidelines.
- Demonstrated experience leading teams and managing projects within agile environments.
- Excellent problem-solving skills and ability to work collaboratively in a remote environment.
- Effective communication and reporting skills.
**What to Expect:
**- Fully remote work with flexible hours (North American time zones).
- Light meetings: At least one coordinated team meeting per week.
- Collaborative tools: Slack, GitHub, Jira, and Figma.
- Support from engineering, product teams, and leadership to ensure success.
We believe that in the future, investors won’t pick stocks - they’ll pick strategies.
Join the Composer team as we usher in the future of investing.
Composer allows retail investors to create their own strategies with the power of AI - and publish them directly in Composer’s community. Users can then remix, collaborate and share investing strategies with each other.
We seek to empower the creativity and ingenuity of everyday retail investors by giving them the tooling normally reserved for hedge funds and exclusive Wall St institutions.
The Role
We are looking for a Senior Backend Engineer to be a critical part of Composer’s rapid growth. You will balance the roles of inidual contributor, mentor, systems architect and advisor. Your deep expertise in software engineering means you are prepared to disrupt the finance industry; you're just looking for an environment that rewards you for doing it.
As a Senior Backend Engineer at Composer, you will:
- Be responsible for designing, building, monitoring and maintaining critical pieces of our infrastructure.
- Work closely with Product, Ops, Design and the executive team to ensure our work solves customer problems and drives growth.
- Maintain and improve our trading, backtesting and accounting systems as we continue to rapidly scale.
Projects you will work on:
- Incrementally redesign our trading and backtesting processes to support rapid growth.
- Develop innovative tools to help users create industry-leading trading strategies.
- Build iron-clad vendor integrations, accounting systems, and data reconciliation processes.
You may be a fit if:
- 5+ years of experience as a backend engineer.
- You are comfortable working in a fast-paced collaborative environment.
- Proven experience with database design, system architecture, and software optimization.
- Have familiarity with cloud platforms (we use GCP).
- You have read our values and feel that you would do well here.
- Clojure experience is a plus but not a requirement — self-motivated learning is.
- University degree in Computer Science or similar.
Salary and compensation
$100,000 — $200,000/yearTime zones: EST (UTC -5), MST (UTC -7), ART (UTC -3), UTC -4, UTC -4:30, UTC -3, UTC -2, SBT (UTC +11), GMT (UTC +0), CET (UTC +1), EET (UTC +2), MSK (UTC +3), AST (UTC -4), FKST (UTC -3), CVT (UTC -1), WAT (UTC +1), SAST (UTC +2), EAT (UTC +3)
Starfish is on the lookout for a seasoned Android Developer joining our team as Freelancer (full-time, 3-6 months, 100 % remote, located in Europe) to develop Android applications according to mocks.
**
Your star qualities & daily business:**- You have several years of experience in native Android app development
- You have worked with Jetpack Compose
- At best you are also familiar with Android Automotive OS (AAOS)
- Clean code and test coverage are as important to you as a good user experience
- A strong understanding of app architectures and interest in continuously improving code quality are key to your performance
- You have a structured working method, excellent problem-solving skills, attention to detail and write clear documentation
- You're a team player with a proactive attitude, excellent communication skills, and proficiency in English
Why embark on a Starfish adventure?
- Our Values: We champion personal responsibility, flexibility, and trust.
- Our Team: We're global, erse, and foster flat hierarchies.
- Our Projects: They're inspiring, innovative, and growth-oriented.
- 100% Remote: Work from wherever you're most productive and satisfied.
Interested? We can't wait to hear from you. Send your CV to [email protected].
Mozilla is hiring a remote Staff Test Engineer. This is a full-time position that can be done remotely anywhere in Canada or the United States.
Mozilla - Non-profit champions of the Internet.
About Twinstake
Twinstake is the leading institutional staking provider which combines unparalleled knowledge and experience in the institutional market with deep crypto expertise and cutting-edge technology.
We stand out in:
- Compliance and Risk Mitigation
- Non-custodial Solution
- Enhanced Reporting and Data
- Optimised Performance
- Premier Service
About the role
We are seeking a Senior Analytics Engineer to join our data team. As part of this role, you’ll work closely with data engineers, analysts and key business stakeholders. You’ll be responsible for building and owning data models, defining and implementing analytics engineering best practices, and delivering actionable insights to stakeholders across the organisation.
The ideal candidate possesses strong SQL proficiency, experience with Python, dbt, and data modelling, as well as experience or a strong interest in blockchain technology. Twinstake utilises a modern data stack including Airbyte, Airflow, Snowflake, dbt and Quicksight.
What you’re good at:
- Data Modelling: Building scalable data models to transform complex datasets into actionable insights, using advanced SQL skills.
- Blockchain Expertise: Using your knowledge of blockchain technology, particularly staking and rewards, to create metrics and monitor performance.
- Business Intelligence: Developing clear, impactful dashboards with modern analytics tools to meet both technical and business needs.
- Promoting Best Practices: Driving excellence in analytics engineering through code reviews, testing, documentation, and observability.
- Staying Informed: Keeping up with emerging crypto protocols and technologies to ensure we remain at the forefront of innovation.
What you bring:
- Proven experience as an analytics engineer or similar role, with a portfolio of impactful applications.
- Expertise in SQL; experience with Python and dbt is a plus.
- Experience using OLAP systems and data warehouses.
- Proficiency building dashboards in BI tools.
- Background in mathematics, statistics, or engineering with strong problem-solving skills.
- Experience in the crypto industry, with a deep understanding of blockchain technology and staking mechanisms.
- Excellent communication skills, with the ability to collaborate effectively across teams in a fast-paced environment.
What makes you stand out:
- Deep expertise in blockchain data analytics, particularly around staking, restaking, MEV, and validator rewards.
- A proven track record of architecting scalable and efficient data modelling strategies across an organisation.
- Experience in creating semantic layers for consistent and intuitive data access for stakeholders.
What we offer:
- Exposure to cutting-edge cryptocurrency and blockchain technologies.
- Opportunities for internal growth and professional development.
- Competitive compensation, benefits, and perks.
- Flexible hybrid working arrangements.
GitLab is hiring a remote Engineering Manager, Organizations. This is a full-time position that can be done remotely anywhere in EMEA.
GitLab - A single application for the entire DevOps lifecycle.
Team Lead – Frontend Development
Emmacare.com LLC
We are a US-based company developing an innovative solution in the HealthCare IT market, combining cutting-edge Business Intelligence technologies with gamification to improve patient outcomes. This is an incredible opportunity to join Emmacare at a pivotal growth stage, lead a talented team, and contribute to solutions that help real people every day.
Our leadership team includes highly experienced and successful professionals who have built multi-million-dollar businesses. We offer a dynamic, startup environment with minimal bureaucracy, fast feedback cycles, and the chance to shape our product.
What You’ll Love About Us:
● Work on a meaningful project that make a tangible difference in healthcare.
● Full in-house development
● Opportunity to grow technically, professionally, and in leadership.
● Collaborative, feedback-driven culture with a direct connection to clients.
What You’ll Do as a Team Lead:
● Lead a team of 2–4 developers, ensuring high-quality code delivery and collaboration.
● Oversee ongoing development and support of the product solution, focusing on frontend logic and markup.
● Work on complex frontend tasks, including RTC, WebSockets, Graphs, and Grids.
● Guide the team through technical product improvements, requirement analysis, and brainstorming sessions.
● Mentor and support team members, fostering a culture of technical excellence.
● Collaborate with cross-functional teams to align technical efforts with product goals.
What We’re Looking For:
● 7+ years of experience in commercial Frontend Development, with at least 2 years of leadership experience.
● Expertise in:
○ HTML5, CSS3, and CSS preprocessors.
○ React/Redux and modern JavaScript (ES6+).
○ REST API Integration Experience
○ Knowledge of TypeScript and Ant Design.
● Ability to communicate effectively in English at an Intermediate level or higher.
It’s Nice to Have:
● Experience with WebSockets, and WebRTC integrations.
● PDF Generation Experience
● Familiarity with tools like JIRA (including Tempo and Pivot Table) and Confluence.
● Experience working in Agile SDLC environments.
● Understanding of CI/CD pipelines, e.g., CodeBuild/CodePipeline.
Why Join Us as a Team Lead?
At Emmacare, you won’t just lead a team—you’ll drive innovation in a growing company where your ideas and contributions matter. This is your chance to grow with us, influence a product that directly impacts lives, and be part of a supportive, ambitious team working on solutions that make a difference.
Ready to Lead and Innovate in Healthcare IT? Apply today to join Emmacare!
Please mention the word MERRY when applying to show you read the job post completely (#RMzQuMzAuMTUwLjE0OA==). This is a feature to avoid fake spam applicants. Companies can search these words to find applicants that read this and instantly see they're human.
Salary and compensation
$50,000 — $70,000/yearWhat are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
Role Overview:
As a Senior Full Stack Engineer, you will be responsible for designing, developing, and maintaining both frontend and backend components. You will work closely with product managers, designers, and other engineers to deliver high-quality, secure, and scalable solutions that meet the needs of our clients. This role requires a deep understanding of both frontend technologies like React and backend systems.
We are looking for candidates located in the EMEA region.
Why You’ll Love This Role
- Impactful Work: Your contributions will directly influence the way stakeholders interact with and perceive the security of blockchain networks through both the dashboard and the Insights API.
- Collaborative Environment: Join a team of passionate professionals who are committed to innovation, quality, and making a tangible impact in the blockchain space.
- Professional Growth: Enjoy opportunities for professional development and career progression in a rapidly evolving industry.
About You
An ideal candidate has 5+ years of Full-Stack Development experience and contributed to blockchain-related projects. We are looking for candidates who have worked on complex projects in a distributed team.
- Problem-Solving Attitude: Creative thinker with a knack for solving intricate technical challenges.
- Communication: Excellent communication skills, with the ability to convey technical concepts to non-technical stakeholders.
- Autonomous: The ability to work independently, make informed decisions, and take initiative without needing constant supervision, ensuring high productivity and effective problem-solving.
- Mentorship and Leadership: Provide technical guidance and mentorship to team members, fostering a culture of continuous learning and improvement.
Responsibilities:
- Collaborate with cross-functional teams, including product managers, designers, and other developers, to deliver high-quality projects on time.
- Writing clean, efficient, and maintainable code: Writing code that is easy to understand and modify is crucial.
- Debugging and testing: Ensuring that the frontend code is error-free and performs optimally through debugging tools and testing methodologies.
- Staying up-to-date with emerging trends and technologies: The web development industry is constantly evolving, and it is essential to stay current with the latest technologies, trends, and best practices.
- Documenting code and maintaining code repositories: To ensure that the development team can easily understand and modify the codebase, it is crucial to document your code and maintain code repositories.
- Participating in code reviews: Code reviews help identify potential issues and ensure that the codebase meets quality standards. You should be prepared to participate in code reviews and provide feedback on other team members’ code.
- Assisting with deployment: You may be involved in the deployment process, which includes configuring web servers, managing version control systems, and resolving any issues that arise during deployment.
- Provide guidance and mentorship to more junior developers, promoting continuous learning and improvement within the team.
Skills:
- Excellent skills in modern Go. Other programming languages and platforms are nice to have (JavaScript/Typescript, Rust, Python or Java)
- Awareness of modern client- and server-side React applications
- Experienced in designing scalable APIs
- Experienced in testing backend and frontend
- Experienced in modern database design and interaction (SQL and/or NoSQL)
- Expertise in architecture principles, design patterns, and the ability to analyze and address trade-offs in business requirements, system performance, reliability, and maintainability
- Experience in working closely with a DevOps team to design and deploy cloud-native infrastructure, to ensure scalability and reliability
Nice to have:
- Blockchain application experience (e.g. DeFi Protocols, Wallets, DEXs, block explorers, blockchain user-facing applications)
- Experience with smart contract development and interaction (e.g., Solidity, Web3.js, ethers.js)
- Small team leadership experience
- Financial Services and Markets understanding
Keep up to date on what we are working on by following us on our social channels:
- Discord
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
Are you the one?
Starknet is the fastest-growing network in terms of new developers joining the network. Nethermind builds many developer-facing tools that need to work seamlessly in this fast-paced blockchain. This ecosystem needs contributors with a quality mindset, capable of applying their craftsmanship and systematic creativity to improve its components. Your software engineering experience and ability to rally developers around you could mean the difference between a flawless network upgrade and a community forking event. Do you have what it takes?
Responsibilities:
- Lead and manage the software development team maintaining ecosystem components and applications in the blockchain space.
- Collaborate with Product Owner and Project Manager to drive a vision of how products add value and evolve in alignment with company strategy and goals.
- Drive the adoption of best practices in coding, testing, and maintenance to ensure quality and scalability.
- Oversee the design, development, and implementation of new software programs and updates.
- Foster a culture of creativity and innovation within the team.
- Mentor and develop team members, identifying strengths and areas for growth.
- Ensure the optimization of development processes for efficiency and effectiveness.
- Stay abreast of emerging technologies and industry trends to maintain a competitive edge.
Skills:
- Track record of leading complex software projects with large transaction loads and/or large user bases
- An understanding of good software architecture
- Ability to implement efficient algorithms and design complex data structures
- Excellent programming skills, Go or Rust preferred but will also consider other tech stacks (e.g. Java, C++)
- Ability to write clean, testable, and maintainable code without over-engineering
- An entrepreneurial nature, willing to take ownership and run toward problems
- Pragmatic experience in various software development methodologies
- Understanding of DevOps principles, experience working in CI/CD-enabled environments
- Strong computer science background
- A fascination with the inner working of blockchains
Nice to have:
- SDK evolution and maintenance - with focus on providing best in class Developer Experience
- Blockchain / EVM / TransactionPool / JSON RPC
- Complex data structures for example Patricia-Merkle/Verkle tries
- NoSQL Key Values databases for example RocksDB
Keep up to date on what we are working on by following us on our social channels:
- Discord
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
About the role:
Nethermind produces a wealth of tools used in production. We are looking for people passionate about making software easy to use and have a keen eye for guiding users through libraries and tooling.
We are hiring a Technical Writer who is ready to join a rapidly growing and innovative organization. You are a good match for this role if you have a keen interest in decentralized technology platforms, and can write in detail about blockchain and open source technologies, zero knowledge concepts, decentralized finance (our customers), and our products - Ethereum Client, Juno, Voyager. You should have a basic understanding of EVM, Ethereum state, L1/L2, Execution and Consensus clients.
You should be obsessed with Diátaxis or have strong feelings against it.
Responsibilities:
- Oversee strategy, creation, and execution of thought leadership content on blockchain, open source technologies, and decentralized finance
- Document new products, features, and APIs
- Document standards, guidelines, and best practices for engineers
- Organize documentation and make it easily discoverable
- Maintain content quality through curation and content performance analysis
- Ensure all business narratives and messages are in support of the content strategies
- Engage with the crypto community and varying audiences on technical subjects (including Medium, Twitter, and Reddit)
- Work closely with Engineering and Marketing teams
- Use creativity, judgment, and attention to detail toward professional, technical, and operational problems
Must Haves:
- Technical writing experience
- A strong command of the English language and an ability to translate complex technical concepts into clear, accessible prose
- Ability to engage with the blockchain community and varying audiences on technical subjects
- Strong experience owning an end-to-end documentation creation process
- Experience in building and owning documentation with topic-based authoring
- Experience using tools to create, manage and publish documentation, and experience with GitHub
- Experience working directly with engineering teams on a product for a technical audience, such as DevOps, developers, or scientists
- Excellent attention to detail and the ability to prioritize and work on multiple projects in a fast-paced, changing environment
- Demonstrated people skills that contribute to an open and collaborative environment
- Comfortable using Medium, Twitter, and Reddit
Nice to Haves:
- Programming knowledge or experience is a plus
- Experience creating automated documentation tools
- Background in Marketing, Communications, Journalism, English, Public Relations, Information Technology, Psychology, Business Administration, International Relations, Law, or any related field
- Prior experience in a Communications role
- Ability to collect, summarize, and analyze metrics to measure content performance and audience engagement
- Existing contributions in the decentralized finance space
Keep up to date on what we are working on by following us on our social channels:
- Discord
About Us:
Soar is a global fintech startup that specializes in financing and investment. Currently headquartered in Saudi Arabia, Soar is growing throughout the region with a mission to help people achieve their financial goals with innovative financial and property investment solutions and tools through its multi-purpose platform, designed to offer a simple and seamless user experience.
Position Overview:
We are seeking a Senior Backend Engineer to join our engineering team. As a Senior Backend Engineer, you will play a critical role in developing and scaling our core backend infrastructure, ensuring that we provide secure, reliable, and high-performing services to our users. You will work closely with other engineers, product managers, and stakeholders to design and implement backend solutions that power our financial services platform.
Job duties and Responsibilities:
• Backend Development: Design, develop, and maintain high-quality backend systems, APIs, and services that are scalable, efficient, and secure.
• Performance Optimization: Ensure that our backend services meet performance, scalability, and reliability standards. Optimize and improve existing systems to handle increasing traffic and business demands.
• Security: Implement robust security measures to safeguard sensitive financial data and ensure compliance with relevant regulations (e.g., PCI-DSS, GDPR).
• Collaboration: Work closely with frontend developers, product managers, and other stakeholders to deliver full-stack features that drive the business forward.
• Code Quality: Write clean, maintainable, and well-tested code. Conduct code reviews and ensure best practices in software development.
• Mentorship: Mentor junior developers and contribute to their growth by sharing your expertise in backend development, architecture, and best practices.
• Troubleshooting: Identify and resolve issues related to system performance, security, and reliability, and ensure timely resolution.
• Continuous Improvement: Stay up to date with the latest trends in backend development, fintech, and cloud technologies. Contribute to the evolution of our tech stack and development practices.
Required Skills and Experience:
• Experience: Minimum of 5+ years of experience in backend development, with a strong focus on building scalable and secure web applications or APIs.
• Languages: Proficiency in server-side programming languages such as Node.js.
• Databases: Expertise in working with relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB), Redis and SQL databases.
• Cloud Infrastructure: Hands-on experience with cloud platforms such as AWS, Azure, or Google Cloud, as well as containerization technologies like Docker and orchestration tools like Kubernetes.
• Microservices: Strong experience in designing and building microservices-based architectures.
• APIs: Expertise in RESTful API design and integration, and experience working with third-party APIs.
• Version Control: Proficiency with version control systems such as Git.
• Security: Experience with implementing security best practices in web applications, including data encryption, authentication, and authorization (OAuth, JWT, etc.).
• CI/CD: Knowledge of Continuous Integration/Continuous Deployment (CI/CD) pipelines and DevOps practices.
• Agile: Experience working in agile environments and using tools such as Jira, Confluence, or Trello.
Preferred:
• Fintech Experience: Previous experience in the fintech or payments industry, with a strong understanding of financial regulations and security practices.
• DevOps: Experience with infrastructure-as-code tools like Terraform or CloudFormation, as well as monitoring and logging tools like Prometheus, Grafana, or ELK stack.
• Blockchain: Familiarity with blockchain technology and its integration into financial applications.
• Languages: Proficiency in additional programming languages such as Python, Java, or Rust.
• AI Technology Development: Experience in developing AI-based applications, including implementing machine learning models, natural language processing (NLP), and working with frameworks like TensorFlow, PyTorch, or Hugging Face.
Personal Traits:
• Strong problem-solving and analytical skills.
• Excellent communication skills, both verbal and written, with the ability to collaborate effectively across teams.
• Proactive, self-motivated, and able to work independently in a fast-paced startup environment.
• Passion for technology, innovation, and learning.
• Strong sense of compliance, ensuring adherence to policies, standards, and regulations.
• Positive, professional attitude, fostering a constructive and collaborative work environment.
Notes:
By clicking Apply, you will be automatically redirected to a 1-hour exam. Please ensure that you are ready to begin.
Join us and get ready to Soar!
Please mention the word INSPIRATION when applying to show you read the job post completely (#RMzQuMzAuMTUwLjE0OA==). This is a feature to avoid fake spam applicants. Companies can search these words to find applicants that read this and instantly see they're human.Salary and compensation
$70,000 — $80,000/yearBenefits
🌎 Distributed team
🚫 No politics at work
0x is looking to hire a Senior Data Engineer to join their team. This is a full-time position that is remote or can be based in San Francisco CA.
We are seeking a Site Reliability Engineer to join our team to help streamline operations and maintain critical infrastructure. You’ll write custom code to automate operational tasks and support a fleet of nodes for multiple blockchain networks. You’ll also provide guidance and expertise to development teams to ensure their applications follow modern best practices. Your work will directly impact the health and stability of our L1.
About ZetaChain
ZetaChain is the first Universal Blockchain with native access to Bitcoin, Ethereum, Solana, and more, offering seamless UX and unified liquidity to the next billions of users. With its Universal EVM, ZetaChain empowers developers to build Universal Apps that operate natively across any blockchain, creating a fluid crypto ecosystem from a single platform.
- Thriving Ecosystem: 1000 dApps developed between testnet and mainnet, showcasing erse innovation and utilization.
- Engagement: With over a million community members, ZetaChain fosters a dynamic environment for engagement, and collaboration.
- Live on Mainnet: partnered with all major exchanges.
- Activity: Our network has over 4M unique addresses and growing fast!
- Well Funded: Raised over $27M!
Find out more about our ecosystem.
Find out more about our hiring culture: Dream Team Culture.
Why You Want To Work Here
- Impactful Role: Play a pivotal role in shaping the future of a leading blockchain protocol.
- Remote Flexibility: Enjoy the freedom and flexibility of a remote work environment, ensuring a work-life balance with quarterly team meet ups to get to know each other in person.
- Cutting-Edge Technology: Dive deep into the latest advancements in blockchain technology with ZetaChain’s innovative protocol.
- Continuous Learning: Stay updated with the rapidly evolving blockchain landscape, ensuring you’re always at the forefront of the industry.
- Commitment to Open Source: We are committed to supporting open source software and use high quality open source tools internally when possible.
Requirements
Our ideal candidate description is a wish list, not a checklist. We don’t expect every applicant to tick every box. If you have a strong alignment with many of the qualifications and a passion for learning, we’d love to hear from you.
- Experience:
- 2+ year of Software Development
- 2+ years of Infrastructure experience
- 2+ years of Linux and Ansible experience
- 2+ years of Kubernetes experience
- Must play well with others, success is a team sport and at ZetaChain everyone participates!
- Previous Startup Experience is important. We move much faster than your typical enterprise environment.
- Security Mindset: constantly anticipating and strategizing against potential threats and vulnerabilities in any system or process.
- Languages: Go, Ansible, Python, Terraform, Bash
- Tech stack: Grafana, Linux, Docker, Kubernetes, Cosmos SDK
- Platforms: AWS, GCP, Bare Metal
- Location:
- Remote (USA, Argentina, or EU)
- Job Responsibilities:
- Write code to streamline operations
- Build monitoring and dashboards to report on server, infrastructure, and web app health
- Deploy and maintain blockchain nodes for ZetaChain, Ethereum, Bitcoin, etc
- Manage infrastructure for web applications
- Ensure all processes meet our security, performance, and reliability requirements
- Participate in on-call rotation every month
- Bonus points:
- Familiar with DevOps, DevSecOps, GitOps methodologies & best practices
- Understanding of blockchain (Bitcoin, Ethereum, Cosmos); smart contracts (solidity), p2p networking
- Experience with Go (Cosmos SDK, go-ethereum, btcsuite, Tendermint Core)
Who Would Be a Good Fit for This Role?
A candidate who is a coder at heart with a erse set of experiences. They should enjoy streamlining operations and building new services that include comprehensive monitoring.
- A seasoned developer with a solid foundation in software engineering and infrastructure
- A proactive problem-solver with a track record of ensuring system reliability and scalability, now ready to tackle the unique challenges of blockchain infrastructure.
- A creative thinker who is not only skilled in programming but also in building testing and observability tools to streamline development processes.
- Someone with substantial experience in building and maintaining robust, scalable backend systems.
Does this feel like the perfect fit for you or someone else you know? Apply Discord to get in touch with a team member.
Eyeo is hiring a remote Senior Data Scientist. This is a full-time position that can be done remotely anywhere in the United Kingdom.
Eyeo - Develops open source software and makers of AdblockPlus.
**We’re Hiring: A Humble Hacker - Start With WordPress and Beyond
**Do you love hacking together quick, functional solutions?
Can you create magic with themes and templates, bringing functionality to life?
Are you resourceful and able to explain tech in plain English?
If that sounds like you, keep reading—we need your skills!
--
What You’ll Be Doing
1. Building MVPs Using Prebuilt Elements:
• Set up WordPress sites with themes and plugins.
• Optimize for SEO (sitemaps, site speed, etc.).
• Design and implement aggregator-type functionality.
• Update plugins and manage site maintenance.
• Figure out how to upload content at scale (like 200-300 pieces of content, not 1000s scale)
3. Exploring Creative Tech:
• Recommend innovative solutions and platforms beyond WordPress.
• Experiment with Firebase or other technologies for future AI SaaS tool creation
Problem-Solving & Communicating:
• Propose clear paths and explain your tech decisions.
• Help us find scalable solutions for growth.
---
Who We Are
We are The Humble Hackers.
We’re a small, dynamic team passionate about smart solutions and fast results.
Our focus? AI and VR.
We research and create apps about topics like:
• AI girlfriends
• Deepfake tools
• FaceSwap
• AI video generators
Our marketing revolves around smart SEO and content generation.
We’re no-drama, no-ego—just clever ideas and a drive to build cool stuff.
---
What We’re Looking For
• Technical Problem Solver: You can hack sites together and make things work fast.
• AI Enthusiast: You’re comfortable using AI tools to boost productivity.
• Communicator: You explain tech clearly and propose different paths with reasoning.
• Humble Learner: Low ego, open to feedback, and eager to improve.
--
Bonus Points For:
• SEO experience or familiarity with tools like Ahrefs.
• Programmatic content uploading or automated SEO skills.
Salary & Growth
$1,500 - $2,000/month (based on skills & experience).
We reward results. Show your skills, grow with us, and let’s build amazing things together.
---
Why Join Us
• Remote Flexibility: Work when you’re most productive, but of course we need to align to work together.
• Results-Driven Focus: We value results over hours logged.
• Ego-Free Environment: No big egos here—just collaboration and clarity.
• Accelerated Growth: Learn and achieve faster than ever before.
What You WON’T Be:
• An Elitist or Diva: We’re about action, no politics, big egos.
• Drama Magnet: We maintain a hassle-free, collaborative culture.
How to Apply
Ready to show us your hacker spirit?
Fill out this simple Google Form to share your skills and problem-solving mindset:
https://forms.gle/GFqiJ9KDnENw1X4T7
We can’t wait to meet you!
RevenueCat is hiring a remote Senior Developer Advocate. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
RevenueCat - The better way to build and manage subscription apps.
cLabs is looking for a Blockchain Core Engineer to grow the Blockchain team, which is responsible for the Celo’s blockchain node. This role involves working on a go-ethereum based node with transformations that make the Celo blockchain unique (such as the consensus engine).
Our main challenges are scaling the network, improving its security and resiliency, and adding new features that can only be done at node level (such as paying for gas fees with an ERC20 token) to the Celo ecosystem.
In the Blockchain team, we collaborate with other engineering teams within cLabs. This includes other platform teams such as the Primitives team (as we constantly access smart contracts as part of our operation), and user-facing teams such as the Developer Tools teams (as a big part of our job is to make end users’ and contributors’ lives easier). We also collaborate with other teams to design and implement the right incentives for our validators and full nodes.
This is a role with wide exposure to many areas of the stack, and you’ll quickly get acquainted with all the moving parts in a modern blockchain project.
You will:
- Collaborate with teammates and design the Celo protocol
- Contribute to the Celo blockchain client (L1 and L2), making sure it works as expected
- Perform load testing and performance optimization, identifying bottlenecks and optimal parameters for healthy functioning of the chain
- Write documentation outlining the specifics of the Celo protocol
You have:
- Prior blockchain knowledge and development experience
- Golang knowledge, ideally familiar with geth / optimism / erigon or other golang-based Ethereum clients
- Distributed systems design skills and development experience
- Good debugging skills, good understanding of how to figure out why things behave in unexpected ways
- Good communication skills, both written and verbal
- Responsible attitude to work, strong work ethics
HashiCorp is hiring a remote Sr. Backend Engineer. This is a full-time position that can be done remotely anywhere in the United States.
HashiCorp - Cloud infrastructure automation.
Consensys is looking to hire a Security Analyst to join their team. This is a full-time position that can be done remotely anywhere in the United States.
At GrowthX, we design growth systems that integrate AI automation and expert guidance to help marketing teams with content creation, distribution, and conversion. Since starting in May, we’ve hit seven-figure annual revenue in just five months, grown by double digits month-over-month, and teamed up with incredible partners like Reddit, Ramp, and HeyGen to drive their growth.
**About the role
**We are seeking a Senior or higher full-stack developer with a strong product mindset and high standards for user interface design. Our stack includes React (TypeScript with Tailwind/Shadcn) and Ruby on Rails (Rails experience is a plus but not required).
As our first product engineer, you’ll take the reins of our internal platform, which supports everything from SEO tools to AI-powered text editing. You'll be sharing the codebase with our CTO, and setting the foundation for a team we plan to grow in the first quarter of next year.
Being an AI-native company, we expect every team member to embrace AI to boost productivity. Familiarity with tools like Cursor or Windsurf is essential, and we’re excited for you to help us push the boundaries of what’s possible.
This is a fully remote role, but we do ask for at least 4 hours of overlap with US Pacific Time—during reasonable work hours.
**Requirements
****What You'll Do
**- Collaborate with the services and technical teams to design and deliver full stack solutions supporting clients and internal teams.
- Build and maintain features using React (TypeScript) and Ruby on Rails, enhancing internal workflows and tools.
- Turn ideas from whiteboard sketches into fully functional, production-ready features with high-quality UX.
- Use tools like Cursor to accelerate development, streamline maintenance, and optimize workflows.
- Focus on creating intuitive and visually appealing interfaces that deliver an exceptional user experience.
- Maintain and deploy infrastructure supporting internal platforms.
- Design features with strong attention to usability, creating clear and enjoyable user interfaces.
- Write concise, effective UI copy.
- Support marketing initiatives with small coding projects as needed.
- Help create and maintain some AI Workflows (no experience needed here, but willing to learn is a must).
**About You
**We’re looking for someone with:
- Proven Experience: Strong full stack skills, including building web applications using React and Ruby on Rails (or Python), working with PostgreSQL, and familiarity with frontend frameworks like Tailwind or Shadcn.
- Passion for AI: Excitement for GenAI, LLMs, and tools like Cursor or Windsurf, with experience leveraging them for rapid development.
- Good Design Taste: An ability to create user-friendly interfaces independently, focusing on clarity and usability.
- Ownership: A self-starter mentality, capable of managing projects and priorities with minimal supervision.
- Collaborative Mindset: A team player who thrives on proactive communication and constructive feedback.
- Communication Skills: Clear and proactive communication skills, essential in a remote environment, with the ability to keep the team informed and aligned.
- Pragmatic Approach: A focus on practical, impactful solutions, avoiding over-engineering or bikeshedding.
- Project Management: Excellent organizational skills, keeping your to-dos and tickets up to date, and ensuring team awareness of progress and blockers.
This role is more suited for someone that have created entire projects on their own, even if just as a side-projects, than someone that prefers a lot of structure or guidance.
**A Typical Week at GrowthX
**Here’s how you might allocate your time in a typical week:
- 15% - Meet with the founders to brainstorm features for our internal platform.
- 10% - Iterate with the founders on paper wireframes to clarify ideas and direction before coding.
- 10% - Spend time with the Content team to learn their needs and workflows.
- 30% - Code in React/Shadcn to build the frontend for our internal platform powering our Managing Editors.
- 25% - Code the backend and database using Ruby on Rails and Postgres to support the frontend.
- 10% - Update your tasks and communicate project progress in Basecamp.
Benefits
- Competitive Compensation: Salary range of $120,000 to $180,000 based on experience, plus stock options at fast growing startup.
- Remote Flexibility: Work from wherever you’re most productive.
- Ample Time Off: Unlimited vacation policy, with a recommended minimum of 15 days.
- Impactful Work: Join a team transforming how businesses leverage AI for growth.
- Less Meetings, More Async Work: Autonomy and asynchronous collaboration are prioritized to maximize productivity.
We are seeking a Site Reliability Engineer to join our team to help streamline operations and maintain critical infrastructure. You’ll write custom code to automate operational tasks and support a fleet of nodes for multiple blockchain networks. You’ll also provide guidance and expertise to development teams to ensure their applications follow modern best practices. Your work will directly impact the health and stability of our L1.
About ZetaChain
ZetaChain is the first Universal Blockchain with native access to Bitcoin, Ethereum, Solana, and more, offering seamless UX and unified liquidity to the next billions of users. With its Universal EVM, ZetaChain empowers developers to build Universal Apps that operate natively across any blockchain, creating a fluid crypto ecosystem from a single platform.
- Thriving Ecosystem: 1000 dApps developed between testnet and mainnet, showcasing erse innovation and utilization.
- Engagement: With over a million community members, ZetaChain fosters a dynamic environment for engagement, and collaboration.
- Live on Mainnet: partnered with all major exchanges.
- Activity: Our network has over 4M unique addresses and growing fast!
- Well Funded: Raised over $27M!
Find out more about our ecosystem.
Find out more about our hiring culture: Dream Team Culture
Why You Want To Work Here
- Impactful Role: Play a pivotal role in shaping the future of a leading blockchain protocol.
- Remote Flexibility: Enjoy the freedom and flexibility of a remote work environment, ensuring a work-life balance with quarterly team meet ups to get to know each other in person.
- Cutting-Edge Technology: Dive deep into the latest advancements in blockchain technology with ZetaChain’s innovative protocol.
- Continuous Learning: Stay updated with the rapidly evolving blockchain landscape, ensuring you’re always at the forefront of the industry.
- Commitment to Open Source: We are committed to supporting open source software and use high quality open source tools internally when possible.
Requirements
Our ideal candidate description is a wish list, not a checklist. We don’t expect every applicant to tick every box. If you have a strong alignment with many of the qualifications and a passion for learning, we’d love to hear from you.
- Experience:
- 2+ year of Software Development
- 2+ years of Infrastructure experience
- 2+ years of Linux and Ansible experience
- 2+ years of Kubernetes experience
- Must play well with others, success is a team sport and at ZetaChain everyone participates!
- Previous Startup Experience is important. We move much faster than your typical enterprise environment.
- Security Mindset: constantly anticipating and strategizing against potential threats and vulnerabilities in any system or process.
- Languages: Go, Ansible, Python, Terraform, Bash
- Tech stack: Grafana, Linux, Docker, Kubernetes, Cosmos SDK
- Platforms: AWS, GCP, Bare Metal
- Location:
- Remote (USA, Argentina, or EU)
- Job Responsibilities:
- Write code to streamline operations
- Build monitoring and dashboards to report on server, infrastructure, and web app health
- Deploy and maintain blockchain nodes for ZetaChain, Ethereum, Bitcoin, etc
- Manage infrastructure for web applications
- Ensure all processes meet our security, performance, and reliability requirements
- Participate in on-call rotation every month
- Bonus points:
- Familiar with DevOps, DevSecOps, GitOps methodologies & best practices
- Understanding of blockchain (Bitcoin, Ethereum, Cosmos); smart contracts (solidity), p2p networking
- Experience with Go (Cosmos SDK, go-ethereum, btcsuite, Tendermint Core)
Who Would Be a Good Fit for This Role?
A candidate who is a coder at heart with a erse set of experiences. They should enjoy streamlining operations and building new services that include comprehensive monitoring.
- A seasoned developer with a solid foundation in software engineering and infrastructure
- A proactive problem-solver with a track record of ensuring system reliability and scalability, now ready to tackle the unique challenges of blockchain infrastructure.
- A creative thinker who is not only skilled in programming but also in building testing and observability tools to streamline development processes.
- Someone with substantial experience in building and maintaining robust, scalable backend systems.
Overview
- Our tech stack
- Infrastructure: Docker, Kubernetes, AWS
- Protocol: Go (Cosmos SDK, go-ethereum, btcsuite, Tendermint Core)
- Smart contracts: Solidity, Rust, Hardhat
- Frontend: Typescript, Next.js, Redux toolkit, Ethers.js, tRPC, GraphQL
- Others: Yarn3 monorepo, Vercel, GitHub actions
- Location
- Remote
- What you’ll do
- Get paid to write open-source software (probably what you always wanted)
- Work with Typescript and Solidity
- Work on new products that bring our omnichain technology to end-users
- Work on data-heavy, high-traffic (millions of unique users during the last month) backends
Your skills and experience
- Base experience
- +3 years working as a software engineer
- Full-stack engineering experience with focus on the backend and smart contracts
- Experience working on blockchain products
- Bonuses
- A balanced experience between working at startups and big tech companies
- Experience building products from scratch
Job Description
Job Title: Software Engineer (Developer Experience)
Location: Remote, or offices in NY/SF
Company: ZetaChain
About ZetaChain
ZetaChain aims to be the only blockchain you’ll ever need. It is a layer 1 blockchain and developer platform that connects any L1 and L2, from Ethereum to Bitcoin and beyond. Access all of crypto in one place, as a developer or user.
ZetaChain prides itself on its vibrant and active community, a testament to our growing impact and relevance in the blockchain space:
- Thriving Ecosystem: Over 150+ dApps developed, showcasing erse innovation and utilization.
- Engagement: With over 1M+ followers on Twitter and an equally active Discord community of 1.2M+ members, ZetaChain fosters a dynamic environment for engagement and collaboration.
- Activity: Our mainnet has seen over 8K+ smart contracts deployed and processed over 137M+ transactions among 3.5M unique wallet addresses
Find out more about our ecosystem.
Find out more about our hiring culture: Dream Team Culture.
About the Role
ZetaChain is seeking a software engineer with experience in TypeScript and smart contract development to join our team. You will be instrumental in developing open-source tools and libraries that enhance the developer experience on the ZetaChain platform, and you’ll be working directly with exciting components of our tech stack.
Overview
- Our tech stack
- Protocol: Go (Cosmos SDK, Comet BFT, Ethermint)
- Infrastructure: Docker, Kubernetes, AWS, GitHub, Vercel
- Smart contracts: Solidity (EVM), Rust (Solana), FunC (TON)
- Frontend: TypeScript, Next.js, Ethers.js, GraphQL, protobuf
- What you’ll do
- Add new features to the Toolkit, our library of TypeScript functions that interact with ZetaChain
- Improve Localnet, ZetaChain’s local development environment, to ensure seamless developer experiences
- Maintain and expand UniversalKit, our component library
- Extend and enhance example contracts with new features and support for additional connected chains
- Participate in dev rel initiatives to foster community growth and engagement with the ZetaChain ecosystem
- Get paid to write open-source software and public docs (probably what you always wanted)
- Work on providing the best developer experience for people building on top of ZetaChain
- Work on products that bring our core interoperability blockchain technology to end-users
Your skills and experience
- Base experience
- 4+ years of experience in software engineering, with a strong background in TypeScript
- Experience in at least one smart contract language. Solidity is important, but we also work with Rust, FunC, and other languages in the future.
- Proficiency with TypeScript development tools and libraries, including Next.js, Ethers.js, and GraphQL
- Experience with smart contract development tooling, like Hardhat
- Bonuses
- A balanced experience between working at startups and big tech companies
- Experience with EVM or Cosmos blockchains
- A track record of contributing to or managing open-source projects
Modern Treasury is hiring a remote Applied AI Engineer (Tech Lead). This is a full-time position that can be done remotely anywhere in the United States.
Modern Treasury - Payment operations solutions that automate the full cycle of money movement.
Founding Engineer
Location: Remote from anywhere
Salary range: 60k - 100k EUR, **0.25% to 1% Equity
**About CardNexus
CardNexus, founded in 2024, is building the ultimate platform for the Trading Card Game (TCG) community. Designed for players, collectors, investors, and game stores we simplify inventory management, provide real-time market insights, and streamline trading through smart matching technology. Our all-in-one solution bridges the gaps between fragmented tools and outdated systems, enabling users to value, trade, and grow their collections efficiently. Backed by a passionate team with expertise in tech, product design, and TCGs, CardNexus is shaping the future of the TCG market. Join us as we revolutionize the way TCG enthusiasts connect and thrive!
Role Overview
As a Founding Engineer at CardNexus, you'll play a pivotal role in designing and implementing the architecture for our all-in-one TCG platform. As the first tech hire, you'll have the autonomy to shape our systems and infrastructure, ensuring scalability, performance, and reliability for a high-traffic marketplace. We're fostering a culture of gamers, so if you love TCGs or are a fan of gaming, you'll feel right at home.
As a remote-first company, CardNexus offers you the chance to collaborate with a erse, global team across multiple time zones and cultures. You'll report to a supportive and experienced team while making a direct, visible impact on our growing TCG community. Whether you're located in the Americas, Europe, the Middle East, Africa, or Asia-Pacific, this role provides the flexibility to drive meaningful change from wherever you call home.
**
What You’ll Do**Over the next 24 months, you’ll:
- Architect a Scalable Backend: Design robust, high-performance systems for our marketplace, supporting complex user interactions.
- Develop Core Features: Lead the implementation of features like real-time card scanning, inventory management, and trade matching.
- Optimize Infrastructure: Build systems for logging, monitoring, and scaling in a high-traffic environment.
- Secure the Platform: Implement KYC and security measures to protect user data and enable safe transactions.
- Integrate CI/CD Pipelines: Streamline deployment and testing processes to support a rapid development cycle.
- Contribute Broadly: Be a hands-on contributor across the backend stack, leveraging your expertise in databases, cloud, and infrastructure to deliver high-quality results.
**
What You Bring**- Deep Technical Expertise: Proven experience in architecting and delivering complex backend systems, with proficiency in Node.js, TypeScript, and database management (relational and NoSQL).
- Broad Knowledge: Comfort across areas like cloud infrastructure (e.g., AWS, GCP), logging and monitoring, CI/CD pipelines, and performance optimization.
- Autonomy and Ownership: Ability to take ownership of projects and deliver end-to-end solutions with minimal oversight.
- Problem-Solving Mindset: A talent for breaking down complex challenges into scalable, maintainable solutions.
- Communication: Fluent written and spoken english
- Collaboration Skills: A team-oriented mindset with excellent communication skills to collaborate effectively with cross-functional teams.
**
Bonus Points:**- Expertise with MongoDB
- Knowledge and experience with React, Next.js
- A passion for Trading Card Games (TCGs) or gaming culture
**
What We Offer**- Fully Remote Work: Enjoy the freedom to work from anywhere with flexible hours that fit your lifestyle.
- Competitive Compensation: We offer a competitive salary that reflects your skills, expertise, and contributions.
- Ownership Opportunities: Access early equity as a core team member, shaping the future of CardNexus.
- Professional Growth: Collaborate with a passionate team of TCG enthusiasts and tech experts to tackle cutting-edge challenges.
- Innovative Culture: Join a gamer-centric environment that celebrates creativity, gaming, and technology.
- Impactful Work: Play a key role in transforming the $15B TCG market with tools that truly make a difference for the community.
To apply, send an email to [email protected]. In your email, share your connection to the TCG and gaming world—tell us about the games you love, the ones you play, and why you’re passionate about the community. We can’t wait to hear your story!
"
* Sepal AI specializes in PhD-level experts for AI model development. We provide robust, frontier data through a comprehensive process in sourcing, vetting, matching, trials, and peer quality control. We are currently working with the world's leading foundational AI model companies across domains in advanced sciences, professional services, and safety & preparedness.
* We are seeking a Full-Stack Engineer to join our team as a founding engineer. The ideal candidate would be an engineer with 5+ years of experience, who has built products zero to one across the stack. We’re looking for someone who is comfortable working on both frontend and backend, and who wants to grow into a senior leadership role within the team. You’d interface directly with the co-founders and would be treated as an equal.* For our founding team, communication styles and cultural fit is the most important element of working together. We’re excited to get to know you, and aim to play long term games with long term partners.",
Time zones: EST (UTC -5), CST (UTC -6), MST (UTC -7), PST (UTC -8), ART (UTC -3), UTC -4, UTC -4:30, UTC -3, UTC -2, SBT (UTC +11), GMT (UTC +0), CET (UTC +1), EET (UTC +2), MSK (UTC +3), AST (UTC -4), FKST (UTC -3), NST (UTC -3:30), JST (UTC +9), CST (UTC +8), WIB (UTC +7), MMT (UTC +6:30), BST (UTC +6), NPT (UTC +5:45), IST (UTC +5:30), UZT (UTC +5), IRDT (UTC +4:30), GST (UTC +4), LINT (UTC +14), TOT (UTC +13), CHAST (UTC +12:45), LHST (UTC +10:30), AEST (UTC +10), ACST (UTC +9:30), ACWST (UTC +8:45), MART (UTC -9:30), NUT (UTC -11)
Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe.
What we offer:
- Earn $5k—$8.8k monthly: the rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers.
- No more hunting for clients or negotiating rates — let us handle the business side of things so you can focus on what you do best.
- We'll manually find the best project for you according to your skills and preferences.
- Choose a schedule that works best for you. It’s possible to communicate async or minimally overlap within team working hours.
- We respect your seniority so you can expect no micromanagement or screen trackers.
- Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah?
- We will support you from the time you submit the application throughout all cooperation stages. Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.
- Through our community, we will connect you with the best developers from more than 50 countries.
Requirements:
- 4+ years of software development experience.
- 4+ years of commercial experience with React.js.
- 4+ years of commercial experience with Node.js.
- Hands-on experience with AWS, Next.js, TypeScript is a must.
- Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture.
- Clear and effective communication in English — advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
- Strong self-organizational skills — ability to work full-time remotely with no supervision.
- Reliability — we want to trust you and expect that you won’t let us and the client down.
- Adaptability and Flexibility — the ability to onboard the project promptly after accepting it and start delivering results quickly.
Sounds good for you? Apply now and join the Lemon.io community!
**NOT YOUR TECH STACK?
**We have different projects for Senior Developers, so if you have 4+ years of commercial experience in software development and you are fluent with React & Python, AI Engineering, Android & iOS, Blockchain, we would be happy to communicate and provide you with a project that matches your experience. Just apply, and we will share more details with you.
**
If your experience matches our requirements, be ready for the next steps:**- VideoAsk — watch a short video about our startup, up to 10 minutes
- Complete your profile on our website
- 30-minute screening call
- Technical interview
- Feedback
- Magic Box (we are looking for the best project for you).
P.S. We work with developers from 50+ countries in different regions: Europe, LATAM, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), Canada, and the UK. However, we have some exceptions.
At the moment, we don’t have a legal basis to accept applicants from the following countries:
- European: Iceland, Liechtenstein, Kosovo, Belarus, Russia, and Serbia.
- Latin America: Cuba and Nicaragua
- Most Asian countries and Africa.
We expand and shorten the list of exemptions regularly.
Do you represent a company with engineers who match the description and want to collaborate with us through staff augmentation? Then register here.
GitLab is hiring a remote Senior Support Engineer (EMEA). This is a full-time position that can be done remotely anywhere in EMEA.
GitLab - A single application for the entire DevOps lifecycle.
Plaid is hiring a remote Technical Support Engineer. This is a full-time position that can be done remotely anywhere in ET or CT time zones.
Plaid - Develop the future of financial services.
Aptos is looking to hire a Developer Relations, Vietnam to join their team. This is a full-time position that can be done remotely anywhere in Vietnam.
About
We’re building Omni: a platform allowing developers to deploy applications across all rollups without fragmenting liquidity. We’re looking for early team members to help us bring this ambitious vision to life.
We’re a team who already built a platform that processed over $70M leading to our $18M fundraise from top investors including Pantera, Two Sigma Ventures, Coinbase Ventures alongside angel investors including Stani Kulechov (founder of Aave), Sandeep Nailwal (cofounder of Polygon) and more. In addition to this we have over $4B deposited to secure Omni on mainnet.
We are growing rapidly and we need ambitious and experienced team members to join us to help scale Ethereum’s future.
About the role
We are seeking a Senior Platform Engineer proficient in Golang to develop and enhance testing environments and infrastructure for the Omni protocol.
Responsibilities
- Develop our load testing framework to evaluate the performance and scalability of our protocols.
- Ensure seamless protocol upgrades and manage rollback procedures when necessary.
- Implement automation tools for deployment, monitoring, and scaling within the cloud environment.
- Collaborate with protocol engineers to troubleshoot and perform root cause analysis.
- Participate in on-call rotations to ensure systems uptime and incident resolution.
Requirements
- 3-5+ years of experience in Go programming or similar language.
- 1+ years of experience in a blockchain protocol.
- Proficient with cloud services such as GCP, AWS or Azure.
- Experience with automation and scripting using tools like Terraform, Kubernetes and Ansible.
- Strong background in monitoring tools like Prometheus, Grafana, or similar.
- Ability to handle on-call responsibilities reliably and effectively.
- Bachelor’s or higher degree in Computer Science, Engineering, or related field.
- Location: Must be in the New York (EST) or Europe (CET) time zones.
- Overlap hours: Available daily from 9 AM to 12 PM EST for team collaboration.
Competencies
- Autonomous — specifically seeks to take greater ownership and responsibility and thrives in their personal growth by doing so
- Action oriented — we are looking for people who take action by default, consistently driving forward progress without asking for permission
- An engineer in both thought and implementation — they must be able to design architecture and see it through to implementation
- Adaptable — thrives in ambiguity, able to quickly iterate and push forward as the business dynamically expands
- Highly intelligent — learns quickly and can participate in abstract intellectually engaging conversations
- Effective communicator — clearly articulates ideas and engages in debates in a productive manner that leads us to making better decisions
Nice to Haves
- Experience building a system with a distributed consensus mechanism
- Solid understanding of the Ethereum Virtual Machine
Benefits
Our benefits include competitive compensation, token packages for all employees, regular team off-sites around the world and unlimited PTO. In addition, you’ll join a team of high-caliber people innovating at the frontier of crypto that work collaboratively to help one another accelerate their personal growth.
Values
We are a mission driven company. We believe deeply that through software engineering we can build a self-sovereign society. In our day to day, we make decisions based upon our company values and operating principles:
Company values
- Customer centricity
- Long-term orientation
- Courage
Operating principles
- High-trust & autonomy
- Kindness & respect
- Collaboration
- Humility & low-ego
- Transparency
- Data driven
- Precise communication
- Results oriented
- “Kerplunk”: clean handoffs and acknowledgement of ownership between team members
The future belongs to all of us, independent of our origins. Omni is an equal opportunity employer and does not discriminate on the basis of race, religion, color, sexual orientation, gender or any other status protected under federal, state or local law.
Position Overview:
We are seeking a Senior Backend Engineer to join our engineering team. As a Senior Backend Engineer, you will play a critical role in developing and scaling our core backend infrastructure, ensuring that we provide secure, reliable, and high-performing services to our users. You will work closely with other engineers, product managers, and stakeholders to design and implement backend solutions that power our financial services platform.
Job duties and Responsibilities:
• Backend Development: Design, develop, and maintain high-quality backend systems, APIs, and services that are scalable, efficient, and secure.
• Performance Optimization: Ensure that our backend services meet performance, scalability, and reliability standards. Optimize and improve existing systems to handle increasing traffic and business demands.
• Security: Implement robust security measures to safeguard sensitive financial data and ensure compliance with relevant regulations (e.g., PCI-DSS, GDPR).
• Collaboration: Work closely with frontend developers, product managers, and other stakeholders to deliver full-stack features that drive the business forward.
• Code Quality: Write clean, maintainable, and well-tested code. Conduct code reviews and ensure best practices in software development.
• Mentorship: Mentor junior developers and contribute to their growth by sharing your expertise in backend development, architecture, and best practices.
• Troubleshooting: Identify and resolve issues related to system performance, security, and reliability, and ensure timely resolution.
• Continuous Improvement: Stay up to date with the latest trends in backend development, fintech, and cloud technologies. Contribute to the evolution of our tech stack and development practices.
Required Skills and Experience:
• Experience: Minimum of 5+ years of experience in backend development, with a strong focus on building scalable and secure web applications or APIs.
• Languages: Proficiency in server-side programming languages such as Node.js.
• Databases: Expertise in working with relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB), Redis and SQL databases.
• Cloud Infrastructure: Hands-on experience with cloud platforms such as AWS, Azure, or Google Cloud, as well as containerization technologies like Docker and orchestration tools like Kubernetes.
• Microservices: Strong experience in designing and building microservices-based architectures.
• APIs: Expertise in RESTful API design and integration, and experience working with third-party APIs.
• Version Control: Proficiency with version control systems such as Git.
• Security: Experience with implementing security best practices in web applications, including data encryption, authentication, and authorization (OAuth, JWT, etc.).
• CI/CD: Knowledge of Continuous Integration/Continuous Deployment (CI/CD) pipelines and DevOps practices.
• Agile: Experience working in agile environments and using tools such as Jira, Confluence, or Trello.
Preferred:
• Fintech Experience: Previous experience in the fintech or payments industry, with a strong understanding of financial regulations and security practices.
• DevOps: Experience with infrastructure-as-code tools like Terraform or CloudFormation, as well as monitoring and logging tools like Prometheus, Grafana, or ELK stack.
• Blockchain: Familiarity with blockchain technology and its integration into financial applications.
• Languages: Proficiency in additional programming languages such as Python, Java, or Rust.
• AI Technology Development: Experience in developing AI-based applications, including implementing machine learning models, natural language processing (NLP), and working with frameworks like TensorFlow, PyTorch, or Hugging Face.
Personal Traits:
• Strong problem-solving and analytical skills.
• Excellent communication skills, both verbal and written, with the ability to collaborate effectively across teams.
• Proactive, self-motivated, and able to work independently in a fast-paced startup environment.
• Passion for technology, innovation, and learning.
• Strong sense of compliance, ensuring adherence to policies, standards, and regulations.
• Positive, professional attitude, fostering a constructive and collaborative work environment.
Notes:
By clicking Apply, you will be automatically redirected to a 1-hour exam. Please ensure that you are ready to begin, as the exam will start immediately upon redirection.
Join us and get ready to Soar!
About the role
We are looking for a Security Engineer to join Interop Lab’s engineering team. This inidual will play a critical role in ensuring the robustness, reliability, and security of the ecosystem. If you are passionate about blockchain security, thrive on solving complex problems, and enjoy collaborating cross-functionally, this role is for you.
Your responsibilities
- Conduct in-depth security assessments of the codebase, smart contracts, and integrations.
- Identify potential vulnerabilities and propose solutions to mitigate risks.
- Work closely with Engineering, Product, and DevOps teams to ensure security is embedded throughout the development lifecycle.
- Develop and improve scripts, tools, and practices for secure key management and cryptographic operations.
- Support the team in investigating and responding to security incidents, including post-incident analysis and developing preventive measures.
- Keep up with the latest developments in blockchain security, cryptographic techniques, and industry best practices to continuously improve our security posture.
Your profile
- 5+ years of experience in a security engineering role in web3.
- Proven experience in securing blockchain protocols, smart contracts, or cryptographic systems.
- Strong programming skills, particularly in languages such as Rust, Solidity, or Go.
- Deep understanding of cryptographic principles and blockchain architectures.
- Ability to analyze complex systems and identify potential vulnerabilities.
- Hands-on experience with penetration testing, code audits, or security research in Web3 ecosystems.
- Excellent communication skills to work effectively across teams.
- Experience working in cross-functional fully remote environments.
Why us?
- Autonomous, distributed environment with the opportunity to work collaboratively in a erse team across the world.
- The scope to contribute to high impact work and really make a difference in a decentralized protocol.
- The chance to challenge yourself whilst learning heaps of stuff in the process.
- Unlimited time off throughout the year to rest and recharge.
- Competitive compensation with stock options, experiencing growth from the initial phase.
Teleport is hiring a remote Senior Full Stack Engineer. This is a full-time position that can be done remotely anywhere in the United States, Canada, Australia, England, Ireland or Poland.
Teleport - The open infrastructure access platform.
Starbridge.AI is a Series A stage startup building software to help small businesses win government contracts. Our 15 person, remote-first team is looking for an AI engineering lead. Compensation for the role is $110k-$180k in addition to significant startup equity.
Your responsibilities:
- Collaborate closely with our team as we productize new AI-powered capabilities: such as AI proposal writing & search experiences.
- Own the design, implementation, and maintenance of robust and scalable production retrieval and agentic systems.
- Implement strong testing and CI/CD practices that help us move with confidence in our AI system development
🌟 **Does this sound like you?
**Technical Expertise: Advanced coding skills in Python with 4+ years of hands-on software engineering experience, particularly in AI/ML development.
Core Competencies:
- Expertise in production-grade software and systems design (Python).
- Deep understanding of machine learning algorithms and model development methods.
- Proficiency with ML lifecycle management tools (e.g., MLflow, DVC, Weights & Biases).
- Experience deploying machine learning systems in cloud environments.
- Professional background in working with large language models (LLMs) and scaling them effectively.
- Proven ability to build scalable, distributed machine learning products with strong software engineering principles.
- Analytical and problem-solving prowess.
- Effective communicator capable of conveying complex ideas clearly.What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
Are you the one?
We are looking for a passionate and skilled engineer to join our highly dynamic team.
You will be developing blockchain-based solutions that span across a wide spectrum of the web3 ecosystem, from protocol level engineering and smart contracts development to dapps and Enterprise/Financial applications that integrate with or are built on blockchain infrastructure.
This is a remote-first role. You will be working with a globally distributed team of talented engineers and researchers, as well as many leading industry partners.
You should be proficient in at least one or more general programming languages (refer to the skills section for details), as well as Smart Contract development, primarily Solidity. A deep understanding of the Ethereum blockchain, strong general engineering skills, and a firm grasp of computer science fundamentals are required. The ideal candidate would be a robust problem-solver with excellent attention to detail and effective communication skills. Familiarity with non-EVM blockchains, zk proofs, the DeFi landscape, and traditional finance would be advantageous.
Responsibilities include, but not limited to:
- Work on full-stack engineering solutions that integrate with or built on top of blockchains.
- Design and build applications on various blockchains
- Develop, test, and deploy secure smart contracts
- Debug and optimize smart contracts
- Extract and process data from the blockchain
- Develop scripts & tools to automate or improve blockchain interactions
- Collaborate with other engineers and teams, both internally and externally
- Stay updated with new developments and technology in the blockchain space
Technical Skills:
- Excellent programming skills in one or more of the following programming languages: C#, Go, TS/JS, Solidity, Rust, Python, Java, Kotlin, but will also consider other tech stacks.
- Proficient in a smart contract programming language (eg. Solidity, Cairo, MOVE) with extensive experience in developing complex smart contracts. Familiar with toolings such as Foundry, Hardhat or Remix.
- Ability to implement efficient algorithms and design complex data structures
- Understanding of good software architecture and engineering process
- Ability to write clean, testable, and maintainable code without over-engineering
- Deep understanding of Ethereum blockchain architecture
- Understanding of the DeFi landscape, such as lending protocols, AMMs, Perps and stablecoins
- Experience in developing off-chain applications that integrate with web3 protocols, using libraries such as Web3.js and ethers.js.
- Strong computer science background
Other Competencies:
- You need to be a self-starter, with the curiosity and drive to continuously improve.
- Excellent problem-solving and analytical skills, with attention to detail
- Strong written and verbal communication and collaboration skills
- Proficiency in English
Nice to have:
- Knowledge in Traditional Finance, and the intersection between traditional finance and blockchain, such as Tokenization.
- Experience with layer-2 solutions like Starknet, Optimism, zkSync, and Arbitrum
- Familiarity with blockchain data analytics tools like Dune and Nansen
- Knowledge of cryptographic primitives like hashing and signature schemes
- Familiarity with zk proof systems (ZK-STARK, ZK-SNARKs)
- Familiarity with formal verification methods for smart contracts
- Experience in front-end development with frameworks like React or Angular
- Familiarity with smart contracts auditing tooling/techniques (e.g Fuzzing, Symbolic execution, Static and Dynamic Analysis)
- Infrastructure / DevOps experience (eg. setup private networks)
- Ethereum core development experience
Perks and Benefits
- Professional Growth: Continuous learning opportunities and the chance to work with industry leaders.
- Fully Remote: Work from anywhere in the world.
- Flexible Working Hours: Manage your own schedule to balance work and life effectively.
- Competitive Compensation: Attractive salary plus equity options.
Keep up to date on what we are working on by following us on our social channels:
- Discord
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
About the role:
We’re seeking auditors with smart contract auditing experience to join our team. You’ll work on projects written in Solidity. Knowledge of GoLang is a plus. We are seeking someone who understands the Solidity smart contract ecosystem. You’ll get the opportunity to work at the bleeding edge of Blockchain technology and interact with different teams working in every aspect of Web3 security.
Responsibilities:
- Work directly with protocols in the Solana, Ethereum, StarkNet, and Polkadot ecosystems to review their code and help secure their protocols.
- Collaborate with teammates to maintain and continually improve our existing blockchain security tools using modern software engineering practices.
- Develop new blockchain security tools.
- Engage in meetings with clients to discuss security and best practice improvements.
Must Haves:
- 1+ year(s) of experience in Solidity security analysis (must have).
- Solid understanding of the Ethereum Virtual Machine.
- Fluency in Solidity smart contract security.
- Detailed understanding of common smart contract vulnerabilities.
- Fluency with common tools and frameworks used for the development and security analysis of smart contracts.
- Strong debugging skills and/or experience in reverse engineering.
- Portfolio of audit report.
Nice to Haves:
- Good written and verbal communication skills.
- Understanding of most common DeFi applications.
- Publicly visible audit reports in your portfolio.
- GoLang experience is a plus.
Keep up to date on what we are working on by following us on our social channels:
- Discord