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We're looking for a senior rails developer to come work with us at WodBoard WodBoard is gym management software that helps gym owners run their businesses and helps their customers, the gym members, live healthier lives. The brand name won't make any sense unless you've walked into a functional fitness gym before so I'll move swiftly on...
We're a bootstrapped company so there's no VCs to answer to. That doesn't mean we're not ambitious though - there's a massive market we're going after and we want to create lasting change. As a combination of these two things we've a heavy focus on getting stuff done.
Our development ethos could be best described as "full DHH". Whilst there's some bits we don't 100% agree with we stick to the core Rails ethos and stack, focussing on what we can achieve with the technology, rather than the technology itself. If you've enjoyed some of the blog posts on how Basecamp structure code, or enjoy the work of boringrails.com, you'd like working with us.
We're a small (but mighty) tech team of 3 so you'll be jumping straight in and writing code for customers from day 1. There's also infrastructure/UI work/mobile app development work that happens and you can become involved in if you so wish. The role has the opportunity to build into a CTO role for the right person.
A little more about the role and us:
- It's really refreshing using technology to do something that helps people in a real world tangible way. Changing lives and increasing health through technology is very motivating!
- We love simplicity. We're fanatical about it. This goes from our codebase, to our infrastructure, to how we operate as a company. It can be harder work upfront but it sure makes life easier down the road.
- You'll need strong ownership skills. As a small team we don't have project managers. You're responsible for your tasks so you'll need to be good at taking ownership and reporting back to the team.
- An ability to renegotiate requirements as you get into the technical details is most welcome! In Computer Science there's hard problems and hard problems that don't need solving. We are constantly asking ourselves if there's an easier way to do something.
- We spend a lot of time talking to our customers and understanding their problems. This won't ever change. Be prepared to go back and evaluate previously held assumptions on new features after testing with beta customers
The position is fulltime and by no means do you need to be into health/fitness to work here (only about 50% of our staff are). It's fully remote position but you'd need to be on an EU timezone so there's sufficient overlap with the rest of the team. We also do a full team meetup in person twice per year.
Latest post about 6 hours ago**
Who We Are Looking For:** We are looking for a Senior Android Engineer with a solid background in Information Security. The ideal candidate will have experience building Android applications or libraries from scratch and will be skilled in security frameworks, cryptography, and network protocols. The role requires strong expertise in Kotlin, and familiarity with Jetpack Compose is preferred.**
Key Responsibilities:**- Design, develop, and optimize native Android applications and libraries, focusing on security, scalability, and performance.
- Collaborate with cross-functional teams to implement security protocols and ensure that applications align with best security practices.
- Build developer tools that enhance productivity and streamline the development process.
- Contribute to the maintenance and advancement of security frameworks for mobile applications.
- Provide mentorship to junior team members and contribute to their technical development.
**
Requirements:**- Education: Degree in Computer Science, Information Security, or equivalent experience.
- Experience:
- 5+ years as a Senior Android Engineer (prior experience in a Senior Android role is required).
- Strong Information Security background, with practical experience in:
- Network protocols and secure coding practices
- Cryptography and security framework development
- Proven experience in building Android applications from the ground up, with expertise in Kotlin and vanilla Android SDKs. Experience with Jetpack Compose is preferred.
- Experience with Android NDK is a plus.
- Contributions to Open Source projects on GitHub are a bonus.
Offers vary depending on, but not limited to, relevant experience, education, certifications/licenses, skills, training, and market conditions.
Due to regulatory and security reasons, there’s a small number of countries where we cannot have Fingerprint teammates based. Additionally, because Fingerprint is an all-remote company and people can join our workforce from almost any country, we do not sponsor visas. Fingerprint teammates need to be authorized to work from their home location.
We are dedicated to creating an inclusive work environment for everyone. We embrace and celebrate the unique experiences, perspectives and cultural backgrounds that each employee brings to our workplace. Fingerprint strives to foster an environment where our employees feel respected, valued and empowered, and our team members are at the forefront in helping us promote and sustain an inclusive workplace. We highly encourage people from underrepresented groups in tech to apply.
Job Summary
We are looking for a senior mobile engineer with a proven track record of developing React Native mobile applications. As we are a small but growing team, you will be responsible for the maintenance and support of existing app features as well as planning and scoping new feature additions and iterations.
You will be working closely with our team to maintain, improve, and extend a meditation and lifestyle application. Applicants should have a proven track record working on large scale, consumer-facing products with complex and intuitive UX/UI. Applicants should be comfortable working in a fast-paced environment, where each inidual has a lot of influence and responsibility to deliver. You will play a vital role in the future success of this application, and of our wider organisation.
The app is in the market in many countries around the world, and has a monthly active user base of tens of thousands of users.
The AWS backend is built using a serverless approach using AppSync (GraphQL), DynamoDB, Cognito and Lambda. Local development and stack deployment is managed using the Serverless framework, and CI pipelines have been implemented using CircleCI and Bitrise. Experience with any of these is a big plus.
About You
You are passionate about creating beautiful, modern, and intuitive user interfaces on mobile devices. You are comfortable with cross platform development (for iOS and Android), and enjoy solving the challenges that come with such a codebase. You understand API architecture, and can take a data model and translate it into reusable and flexible components. You enjoy shipping clean, readable and reusable code. You are comfortable working on a distributed team spread across time zones and cultures. You are excited to use technology to have a positive impact in the world as a whole, and in an intimate way for each inidual.
**Responsibilities
**- Take responsibility for front-end development and maintenance, and work with our team to continue testing and releasing features
- Ensure the performance, quality, and responsiveness of the application
- Collaborate with the engineering, product, and design teams, contribute to the definition of specifications for new features, and own the development of those features
- Guide the team regarding constraints and best practices in a mobile environment
- Proactively identify and solve bottlenecks; fix bugs and performance issues
- Maintain code quality, organization and automatization
- Ensure testing strategy is followed within the team - for unit and integration tests, and automated testing
**Skills and Qualifications
**- 8 years of testing and deploying code in a production environment
- Proven experience in mobile native app development (Objective-C, Swift, Kotlin, Java)
- Strong experience with React and React Native
- Experience with Typescript, Node.js, GraphQL and REST
- Proficient with code versioning tools (Git)
- Basic understanding of using CI to deploy apps (we use Bitrise)
- Attention to detail to implement and bring designs to life using animations (we use Animated and Reanimated in some places)
- Understanding of React Native limitations in native mobile environments
- Understanding of code signing for iOS and Android (we use Fastlane)
- Good understanding of best practices for mobile apps, like Material Design and Human Interface Guidelines
- Experience working in a global non-profit, working with a remote team and / or in a multinational organization preferred
- Fluency in English (written and verbal)
If you are passionate about this work but do not have all of the skills listed we are still interested in speaking with you and encourage you to apply!
Pay and benefits
Our pay levels are set according to a formula that combines above-median market rate data for the role (we pay 55th percentile of New York market rate for this role, based on Payscale data) adjusted for your local cost of living based on Numbeo data.
We take the issue of equitable pay very seriously, and we apply our pay formula to all workers who work 80% or more of full time hours with us.
Diversity and inclusion
We care about ersity - we strive to ensure all of our team feel included and can bring their whole selves to work but we also know that this work is never ‘done’ or complete, and that we can always improve.
Our team is fully remote, living and working across 20 countries across the world, and we’d love to hear how you can add to our special culture at MFI.
HubSpot is hiring a remote Associate Web Developer. This is a full-time position that can be done remotely anywhere in the United Kingdom.
HubSpot - Inbound marketing, sales, and service software.
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.
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!
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. With the expansion of our AI capabilities, we’re looking to onboard a Senior Data Scientist with a passion leveraging data to shape user-centric AI solutions in the rapidly evolving Web3 space. You will play a key role in building our recommendation systems and AI-assistant.
What you’ll be doing
- Perform advanced analytics and statistical modeling on on-chain and external (off-chain) data to derive actionable insights.
- Develop predictive models to forecast market trends, user behavior, and asset performance in the cryptocurrency space.
- Build and refine recommendation engines to enhance user experience, such as portfolio optimization suggestions, NFT recommendations, and tailored Web3 services.
- Collaborate with data engineers to ensure efficient data pipeline integration for real-time analytics.
- Design experiments and conduct A/B testing to validate the impact of recommendations and AI-driven decisions.
- Build AI agents that function as smart portfolio managers.
- Stay updated with emerging trends in blockchain analytics and data science methodologies.
What we’re looking for
- 5-7 years of strong background in building machine learning models and performing statistical analysis.
- Expertise in Python and data science libraries such as Pandas, NumPy, and Scikit-learn.
- Experience with big data platforms and query languages (e.g., SQL, Spark).
- Familiarity with time-series analysis and predictive modeling techniques.
- Ability to analyze large datasets from blockchain and Web3 platforms for sentiment analysis and behavioral patterns.
Nice to have:
- Familiarity with blockchain and Web3 ecosystems, including understanding of cryptocurrency markets.
- Experience with natural language processing (NLP) for extracting insights from social media or forums.
- Experience with building AI agents and the necessary guardrails for appropriate functioning.
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 a competitive compensation package including attractive “crypto-native” bonuses, learning and development budgets, personal development plans and team retreats to fuel your web3 curiosity.
Scroll is looking to hire a Senior Technical Support Engineer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
We're looking for a senior rails developer to come work with us at WodBoard WodBoard is gym management software that helps gym owners run their businesses and helps their customers, the gym members, live healthier lives. The brand name won't make any sense unless you've walked into a functional fitness gym before so I'll move swiftly on...
We're a bootstrapped company so there's no VCs to answer to. That doesn't mean we're not ambitious though - there's a massive market we're going after and we want to create lasting change. As a combination of these two things we've a heavy focus on getting stuff done.
Our development ethos could be best described as "full DHH". Whilst there's some bits we don't 100% agree with we stick to the core Rails ethos and stack, focussing on what we can achieve with the technology, rather than the technology itself. If you've enjoyed some of the blog posts on how Basecamp structure code, or enjoy the work of boringrails.com, you'd like working with us.
We're a small (but mighty) tech team of 3 so you'll be jumping straight in and writing code for customers from day 1. There's also infrastructure/UI work/mobile app development work that happens and you can become involved in if you so wish. The role has the opportunity to build into a CTO role for the right person.
A little more about the role and us:
- It's really refreshing using technology to do something that helps people in a real world tangible way. Changing lives and increasing health through technology is very motivating!
- We love simplicity. We're fanatical about it. This goes from our codebase, to our infrastructure, to how we operate as a company. It can be harder work upfront but it sure makes life easier down the road.
- You'll need strong ownership skills. As a small team we don't have project managers. You're responsible for your tasks so you'll need to be good at taking ownership and reporting back to the team.
- An ability to renegotiate requirements as you get into the technical details is most welcome! In Computer Science there's hard problems and hard problems that don't need solving. We are constantly asking ourselves if there's an easier way to do something.
- We spend a lot of time talking to our customers and understanding their problems. This won't ever change. Be prepared to go back and evaluate previously held assumptions on new features after testing with beta customers
The position is fulltime and by no means do you need to be into health/fitness to work here (only about 50% of our staff are). It's fully remote position but you'd need to be on an EU timezone so there's sufficient overlap with the rest of the team. We also do a full team meetup in person twice per year.
Description
Arrakis aims to disrupt the current market-making industry by providing the infrastructure to enable every project in the world that wants to launch a token to benefit from non-custodial, trust-less, and automated on-chain market-making strategies. We believe in a world where every organisation, from a small startup to a large enterprise, will be tokenized and traded on-chain. For this world, Arrakis is building the tools to create the necessary liquidity to enable this token economy to rival and out-compete the traditional financial industry.
As one of our Backend Developers within market making, you will be further contributing to the cutting edge development of Arrakis, working with a very experienced and high performing team to create the future of DeFi.
What you will achieve:
- Creation of new on-chain trading strategies
- Monitoring, tuning and improving market making performance across chains.
- Develop backend infrastructure for our market making operations
- Develop, refine and implement strategies and infrastructure for algorithmic liquidity provisioning for the major tokens of the industry
Requirements
- Strong experience building and developing high frequency, ultra-low-latency applications
- 3+ years of experience with C++ / Rust
- Good understanding of the financial market, order books, market making, arbitrage and/or markets microstructure
- A bachelor’s degree in computer science, maths, physics, or similar field
- Experience working with SQL databases
- Experience with Google Cloud / AWS
- Experience working with containers such as Docker / Kubernetes
- Awareness of security principles for critical finance applications, both on and off-chain.
Nice to have:
- Previous automated market making experience and experience with Uniswap
- Experience building your own trading bot
- CEX / DEX arbitrage experience
- Experience dealing with low level networking advantageous (TCP/IP, UDP, networking in the cloud, packet decoding, latency)
- Passionate about contributing / researching cutting edge DeFi technologies.
- Ability to know/understand smart contract code
Benefits
Join an amazing team of industry veterans focused on revolutionising web3 market making, collaborating with major projects like MakerDAO, Uniswap, Aave, Lido, operating fully remotely with members spanning Zug, Paris, New York, Berlin, London supported by world-class investors including Uniswap Labs, Robot Ventures, Accel, Longhash, and more.
What we offer:
- Competitive salary + performance-based compensation
- SPICE token package
- Work remotely or with the Founders in person, in Switzerland
- Chance to travel the world to go to exciting events, connecting with key industry players
- Join amazing in-person offsites all over the world
Time zones: AEST (UTC +10), ACST (UTC +9:30), ACWST (UTC +8:45)
Our Data Engineering Team is comprised of data experts. We build world-class data solutions and applications that power crucial business decisions throughout the organisation. We manage multiple analytical data models and pipelines across Atlassian, covering finance, growth, product analysis, customer analysis, sales and marketing, and so on. We maintain Atlassian's data lake that provide a unified way of analysing our customers, our products, our operations, and the interactions among them.
We're hiring a Data Engineer, reporting to the Data Engineering Manager. Here, you'll enable a world-class engineering practice, drive the approach with which we use data, develop backend systems and data models to serve the needs of insights, and help build Atlassian's data-driven culture. You love thinking about the ways the business can consume data and then figuring out how to build it.
- You'll partner with the data analytics and data scientist team to build the data solutions that allow them to obtain more insights from our data and use that to support important business decisions.
- You'll work with different stakeholders to understand their needs and architect/build the data models, data acquisition/ingestion processes and data applications to address those requirements.
- You'll add new sources, code business rules, and produce new metrics that support the product analysts and data scientist.
- You'll be the data domain expert who understand all the nitty-gritty of our products.
- You'll own a problem end-to-end. Requirements could be vague, and iterations will be rapid
- You'll improve data quality by using & improving internal tools/frameworks to automatically detect DQ issues.
- A BS in Computer Science or equivalent experience with 3+ years professional experience as a Data Engineer or in a similar role.
- Strong programming skills using Python
- Working knowledge of relational databases and query authoring (SQL).
- Experience designing data models for optimal storage and retrieval to meet product and business requirements.
- Experience building scalable data pipelines using Spark (SparkSQL) with Airflow scheduler/executor framework or similar scheduling tools.
- Experience working with AWS data services or similar Apache projects (Spark, Flink, Hive, and Kafka).
- Understanding of Data Engineering tools/frameworks and standards to improve the productivity and quality of output for Data Engineers across the team.
- Well versed in modern software development practices (Agile, TDD, CICD)
**Our perks & benefits
**Atlassian offers a variety of perks and benefits to support you, your family and to help you engage with your local community. Our offerings include health coverage, paid volunteer days, wellness resources, and so much more. Visit go.atlassian.com/perksandbenefitsto learn more.
**
Title: Founding Fullstack Engineer**Reporting Structure: Reports to the Co-Founder
**
Responsibilities**- Feature Development: Implement end-to-end features across the stack—front-end interfaces, back-end services, and database interactions.
- Hands-On Coding: Write clean, scalable, and maintainable code daily. You’re the type of engineer who loves cranking out features and iterating quickly.
- Collaboration: Work closely with product and design teams to translate requirements into technical solutions that delight customers.
- Performance & Scalability: Ensure your code is optimized for performance, reliability, and scalability in a high-traffic environment.
- Code Quality & Reviews: Conduct code reviews, maintain high standards, and continually improve coding best practices.
- Innovation: Experiment with new technologies (including AI/ML, generative AI, and search) to evolve the platform’s capabilities.
- Continuous Improvement: Contribute to automated testing, CI/CD pipelines, and deployment processes to streamline development and delivery.
**Is This You?
**- Fullstack Expertise: 4+ years of professional experience building web applications end to end (back-end, front-end, databases).
- Strong Technical Skills: Proficient in Python (FastAPI), React, Next.js, AWS, OpenSearch/Elastic, PostgreSQL. Experience or interest in working with LLMs (such as GPT, Claude, Gemini, Llama), and vector databases (Pinecone, Milvus) is a big plus.
- Product-Focused: Passion for understanding user needs and delivering fast, iterative improvements to meet them.
- Startup Mindset: Agile, proactive, and comfortable navigating ambiguity—thrives in a fast-paced, evolving environment.
- Ownership Mentality: You’re excited to take full ownership of features and deliver them end to end.
- Excellent Communication: Can clearly articulate technical decisions and collaborate effectively with both technical and non-technical stakeholders.
**
Perks**- Impactful Role: Directly shape and build the product that is transforming the future of AI-driven insights.
- Growth Opportunities: Grow alongside a rapidly expanding startup; your work will be visible and make a real difference.
- Competitive Compensation: Competitive salary, meaningful equity, comprehensive benefits, and flexible work arrangements.
- Cutting-Edge Tech: Access to the latest AI/ML tools and opportunities for continuous learning.
- Collaborative Environment: Work with a supportive, erse team that values innovation and fosters personal and professional growth.
Ready to push code that will drive the next generation of AI solutions? Apply now to join this groundbreaking team!
Dropbox is hiring a remote Support Engineering Intern (Summer 2025). This is an internship position that can be done remotely anywhere in the United States.
Dropbox - Keep life organised and work moving – all in one place.
We’re Quizgecko (quizgecko.com)—an AI-powered quiz and flashcard platform—and we’re looking for an experienced React Native Developer to help build and maintain our mobile application.
This is a contract, remote-friendly position that will allow you to work from anywhere in the world. Please only apply if you have experience working remotely and are willing to work on a contract/freelance basis.
You will be the sole developer for a popular iOS and Android app that is used by thousands of paying customers each day. Therefore, it is essential that you have at least 3+ years of React Native experience so you can hit the ground running.
**
Responsibilities**- Develop and maintain features in our React Native mobile application
- Build and submit new versions weekly to the
- Collaborate with our backend dev to integrate RESTful APIs and other services
- Troubleshoot and optimize app performance for a seamless user experience
- Work with our QA tester to ensure quality
- Follow best practices in code quality, version control (Git), and documentation
- Communicate effectively with our team, providing regular progress updates
**
Requirements**- Proven experience with React Native (please share relevant project examples)
- Strong knowledge of JavaScript (ES6+)
- Experience working with Git
- Excellent problem-solving and communication skills
- Ability to start soon and meet project deadlines
**
Nice to Have**- Laravel / PHP and web development experience
- Native iOS/Android experience (Swift, Kotlin, Java)
**
Why Work With Us**- Flexible hours and remote-first work (work from anywhere in the world)
- Opportunity to contribute to an innovative AI-driven product
- Opportunity to earn equity after 1 year
Monzo is hiring a remote Staff Backend Engineer, Search. This is a full-time position that can be done remotely anywhere in the United Kingdom.
Monzo - We're a bank that lives on your phone, on a mission to make money work for everyone.
Matter Labs 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.
Job Overview
Genius is seeking a senior Front-End Developer with years of experience building in Next JS, Tailwind and React Native, to lead beautiful, pixel perfect experiences for our end users. We are extremely pedantic, and want you to be too.
Job Description
- Implement, and optimize user-centric interfaces for Genius’ cross-chain trading platform, focusing on seamless user experience and intuitive design. Builds must be pixel-perfect and 100% design accurate.
- Collaborate with backend and smart contract teams to integrate frontend components with Genius’ proprietary Synchronous Liquid Matching engine and liquidity management system
- Build modular, reusable, and performant components using Next JS and Tailwind (primary stack). Our current Native Apps are primarily hacking React Native’s webview. If you don’t have deep expertise with React Native, but are generally familiar, we encourage you to apply.
- Implement responsive designs that adapt to various devices and screen sizes
- Manage a junior developer
- Work closely with UX/UI designers to implement visually appealing and user-friendly interfaces that align with Genius’ brand and design guidelines in an obsessive and pedantic way.
- Optimize frontend code and implement NextJS best practices to hit 90+ Lighthouse score.
Ideal Candidates Are:
Non-Negotiables:
- Extremely hungry to take high ownership and grind with the team. ~60 hrs/wk.
- Understand deeply the psychology of an on-chain trader and is passionate about mainstream adoption.
- Detail-oriented to an extreme degree.
Core Competencies:
- Advanced proficiency with Next.js, Tailwind, Node.js & Postgres.
- Familiarity with React Native
- Extensive experience with building responsive, modular, and maintainable code
- Experience with Fintech and DeFi UX.
- Strong attention to detail and ability to ship product fast with quality
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)
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.
**Please, before completing the application, check the list of countries at the end of the job listing. We collaborate with applicants from various parts of the world, but there are some restrictions.
**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 experience with AWS and TypeScript is a must.
- Hands-on experience with Next.js, 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, Andoid & iOS, Blockchain (Solidity/web3), AI Engineering, Angular&.NET 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 (ONLY the Philippines, Indonesia), Oceania (ONLY 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.
Who We Are
Twine is building a next-generation multi-chain ZK Layer 2 (L2) platform focused on advanced cross-chain interoperability. Our team comprises globally distributed cryptographers, engineers, and blockchain enthusiasts driven by the mission to unlock trust-minimized transactions across different Layer 1 (L1) networks. We’ve secured backing from top VCs and prominent figures in the Web3 space, including Founders of Solana, Celestia, LayerZero, Sei, Nebra, Espresso, Gitcoin and prominent VCs (1kx, Robot Ventures) ensuring a strong foundation and network for our ambitious roadmap.
What We’re Doing
Our goal is to enable secure, scalable, and synchronous cross-chain transactions by leveraging ZK proof systems, sophisticated proof aggregation techniques, and distributed protocols. Twine aggregates security from multiple L1s without relying on traditional bridging or wrapped assets—offering developers a unified platform for building decentralized applications that interact across multiple blockchains seamlessly. We integrate cutting-edge proving systems like GKR along with top performing general purpose ZK VMs (SP1 ZKVM from Succinct, Risc0) and other modern cryptographic frameworks to scale and secure multi-chain interactions.
What You’ll Do
- Design & Architect Protocols Lead and shape Twine’s core protocol with an emphasis on ZK and distributed technologies. Ensure that modularity, scalability, and security remain cornerstones of our architecture.
- ZK & L2 Leadership Research, prototype, and pioneer the integration of advanced zero-knowledge techniques (e.g., GKR, PCD and others) and next-gen rollup architectures into Twine’s multi-chain platform.
- Hands-On Rust Development Develop high-performance Rust code for cryptographic proof generation, verification, and protocol logic—emphasizing concurrency, memory safety, and optimized cryptographic operations.
- Distributed Protocols & Cryptography Spearhead the development and refinement of distributed protocols, ensuring fault-tolerant design that can scale across multiple chains and adversarial conditions.
- Mentorship & Collaboration Drive technical excellence by mentoring engineers and cryptographers, conducting thorough code reviews, and standardizing best practices for testing and security.
- Security & Audits Define security best practices, coordinate formal audits, and manage vulnerability assessments for core protocol components.
⠀ What We’re Looking For
- Expert Rust Skills Demonstrable command of Rust for systems programming, particularly in performance-critical cryptographic routines and distributed systems.
- ZK Cryptography Experience Hands-on experience with zero-knowledge protocols and familiarity with foundational and advanced concepts.
- Distributed Protocols Knowledge Proven experience designing and deploying distributed protocols, consensus mechanisms, or P2P networks in production environments.
- Systems & Architecture Strong background in architecting resilient, scalable systems and writing high-quality code for mission-critical applications.
- Leadership & Communication Adept at leading technical discussions, explaining cryptographic and distributed systems concepts to erse audiences, and collaborating across a global team.
- Security Mindset Deep understanding of secure coding practices, formal verification methodologies, and protocol design principles.
- Adaptability & Autonomy Comfortable operating in a fast-paced environment, taking initiative, and delivering impactful results.
⠀ Why Twine
- High-Impact Role Help define the future of cross-chain L2 solutions, combining groundbreaking cryptographic research and real-world use cases.
- Cutting-Edge Tech Work at the forefront of ZK innovation and shape the multi-chain infrastructure that powers tomorrow’s decentralized applications.
- Remote-First Culture Join a distributed team with the flexibility to work from anywhere in the world.
- Tier 1 Backing Benefit from access to top-tier investors, advisors, and prominent Web3 figures who support our mission and growth.
- Collaborative Environment Engage in a mission-driven team that values curiosity, creativity, and teamwork—where your contributions directly drive innovation.
⠀ If this resonates with you and you’re excited about shaping the future of ZK-powered, trust-minimized cross-chain solutions, we want to hear from you.
Base is looking to hire an India Lead to join their team. This is a full-time position that can be done remotely anywhere in India.
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.
Links: Nethermind - Crypto, AI and Robotics
Projects:
- https://github.com/NethermindEth/yayois-garden
- https://github.com/NethermindEth/TruthTok
- https://github.com/NethermindEth/satoshis-razor
- https://github.com/NethermindEth/teeception
- https://github.com/NethermindEth/fremen
- https://github.com/nethermindeth/hummingboss
What We Need
- An engineering manager who is hyper-focused on delivering concrete results while staying excited by the big picture.
- Experienced in leading software teams that ship fast, experiment often, and hand off to product at the right time.
- Hands-on coder but knows when to pull back.
- Views programming languages as easily learnable tools, not identities.
- Driven to optimize everything with AI, leveraging both traditional software and cutting-edge techniques.
- Understanding blockchain or decentralized systems and LLMs is a plus. Personal projects in these areas are required.
- Fully open attitude: embrace the public domain. Production must be robust, but everything else (ideas, prototypes, experiments) should be publicly accessible.
Role & Responsibilities
- Hire and guide leads for multiple AI x Crypto x Blockchain projects.
- Oversee rapid PoC delivery, ensuring minimal friction and maximum velocity.
- Collaborate closely with product managers for timely, high-quality releases.
- Contribute code where it counts.
- Align with an open ethos—innovate in public, build out loud, and keep the end-user ecosystem thriving.
- Comfortably terminate and iterate on projects.
- Liaise with the group manager to set up new AI x Crypto and Robotics projects.
Requirements
- Evidence of having led multiple small to large teams
- Experience shipping open-source code with considerable adoption
- You must be replacing all your interfaces with LLMs
Nice to have
- Experience shipping projects from genesis
- Robotics is not required (we have a hardware team), but some understanding of this space is good
- If these projects are for you, you will feel it. It will be fun, but it will be hard when the air bubble explodes. We will keep building.
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.
The role
We’re seeking an experienced Smart Contract Security Auditor to join our team in safeguarding Web3 protocols and applications. As a key member of our security team, you’ll conduct comprehensive audits of smart contracts while contributing to our blockchain infrastructure development.
Responsibilities:
- Work directly with protocols in the Solana, Ethereum, StarkNet, and Polkadot ecosystems to review their code and help secure their protocols.
- Perform thorough security audits of smart contracts written in Solidity
- Develop and maintain security tooling using Golang to enhance our audit capabilities
- 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.
Skills:
- Understanding of blockchain technology and the Ethereum network.
- Solid understanding of the Ethereum Virtual Machine.
- Fluency in Solidity smart contract security and Golang audit.
- 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.
Keep up to date on what we are working on by following us on our social channels:
- Discord
Twilio is hiring a remote Software Engineering Intern - Dublin, Ireland (Start: June). This is an internship position that can be done remotely anywhere in Ireland.
Twilio - Build the future of communications.
Stacks Foundation is looking to hire a Lead BitVM Researcher to join their team. This is a part-time position that can be done remotely anywhere in the United States or on-site in New York NY.
Instructure is hiring a remote Marketing Web Developer. This is a full-time position that can be done remotely anywhere in the United States.
Instructure - Makes software that makes people smarter.
Going is hiring a remote Senior Data Engineer. This is a full-time position that can be done remotely anywhere in the United States.
Going - The travel membership that saves you hundreds on flights.
Bluesky is looking to hire a System Integrity Engineer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
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 form to fill out your information, after you fill out the form you'll be 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!
Role Purpose:
We are seeking an experienced and passionate **Frontend Manager** with a strong background in **Next.js** to lead our frontend development team. In this role, you will oversee the architecture, development, and deployment of web applications while managing a team of frontend developers. You will work closely with cross-functional teams, including product managers, designers, and backend engineers, to deliver high-quality, performant, and user-friendly web applications.
Job duties and Responsibilities:
· Lead and Manage Frontend Development: Oversee the frontend team, providing guidance, mentorship, and support to ensure project milestones are met.
· Architect and Develop Next.js Applications: Design and implement scalable, robust, and maintainable Next.js applications, leveraging best practices for performance optimization and user experience.
· Collaborate with Cross-functional Teams: Work closely with product, design, and backend teams to align frontend development with business goals and project requirements.
· Code Quality and Review: Establish coding standards, conduct code reviews, and implement best practices to maintain high-quality codebase.
· Performance Optimization: Ensure applications are optimized for speed, accessibility, and SEO, leveraging Next.js’s built-in features and other modern technologies.
· Stay Current with Frontend Trends: Keep up-to-date with the latest trends and advancements in frontend development, including Next.js updates, and advocate for their adoption when beneficial.
· Project Planning and Management: Assist in planning and organizing the team’s workload, including setting realistic timelines and monitoring project progress.
· Team Development and Hiring: Play an active role in hiring, onboarding, and training new team members to build a strong and cohesive frontend development team.
Requirements:
· 5+ years of professional frontend development experience, with at least 2 years in a managerial role and 3+ years working with Next.js.
· Proficiency in JavaScript (ES6+), React.js, Next.js, HTML5, and CSS3.
· Familiarity with Modern Frontend Tools: Experience with TypeScript, Redux, Webpack, Babel, and other related tools and libraries.
· Backend Understanding: Familiarity with RESTful APIs, GraphQL, and server-side rendering (SSR) principles.
· Strong understanding of responsive and adaptive design principles, with experience in building applications for various devices and screen sizes.
· Proven experience leading and managing frontend teams, with excellent communication, collaboration, and problem-solving skills.
· Experience with Agile methodologies, project tracking tools (e.g., Jira, Trello), and an ability to handle multiple projects simultaneously.
· SEO & Performance Optimization: Knowledge of SEO principles, web performance, and accessibility standards.
· Proficiency in using Git for version control and collaborative development.
Preferred Qualifications:
· Experience with CI/CD Pipelines: Familiarity with continuous integration and continuous delivery (CI/CD) tools and processes.
· Cloud & Deployment Knowledge: Understanding of cloud platforms (AWS, Google Cloud) and experience deploying applications using Next.js.
· UI/UX Sensibility: A good sense of design and user experience principles, with the ability to collaborate effectively with UI/UX teams.
· Contributions to Open Source: A history of contributing to or maintaining open-source projects is a plus.
Notes:
By clicking Apply, you will be automatically redirected to a form to fill out your information, after you fill out the form you'll be 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!
Wikimedia Foundation is hiring a remote Software Engineering Internship Program (2025). This is an internship position that can be done remotely anywhere in the United States.
Wikimedia Foundation - The non-profit that operates Wikipedia.
"
Are you looking to build game-changing solutions? At CardLift, we’re transforming how credit card issuers maximize their share of wallet by making online payments seamless and friction-free for users—and we need an engineer who’s passionate about automation to help us get there.
We’re looking for a Automation Engineer to help shape our vision, develop robust automation scripts, and directly influence our product’s trajectory.
What You’ll Be Building
CardLift is a co-branded browser extension that helps users instantly update payment methods across multiple platforms with a single click. It also highlights card benefits at checkout and offers extra cashback through affiliate partnerships, creating a sticky, value-driven experience for users while boosting revenue for issuers.
As our first automation-focused engineering hire, you’ll work closely with our founder, Rithwik Pattikonda (creator of OctoShop—acquired by Ibotta—and TravelArrow with 300K+ users), to build the automation backbone of CardLift and ensure it scales for rapid growth.
What You’ll Do
1. Automation Scripting* Design, write, and maintain automation scripts to handle user flows and payment updates across various online platforms.
* Ensure scripts are robust, modular, and easily maintainable. 2. Web Scraping & Data Extraction* Build intelligent systems to detect and adapt to dynamic websites. * Write scripts to autofill payment methods, and be able to handle changing site structures. 3. Browser Extension Integration* Collaborate with the extension development team to integrate automation scripts seamlessly into our flagship product. * Troubleshoot and optimize scripts for performance and reliability. 4. Technical Roadmap Influence* Contribute to the product roadmap and feature prioritization. * Provide insight on automation best practices to guide architecture decisions and trade-offs.What We’re Looking For
* jQuery, CSS, HTML, and JavaScript* Strong proficiency in these core front-end technologies.
* Experience working with DOM manipulation, event handling, and dynamic content. * Web Scraping Experience* Familiarity with tools and libraries for scraping, parsing, and automating interactions on dynamic websites. * Proven ability to handle captchas, rate limits, and frequent site changes. * Automation Mindset* You love scripting, automating, and finding clever ways to solve repetitive tasks at scale. * Knowledge of testing frameworks or writing test scripts is a plus. * Scrappy Problem Solver* You thrive in fast-paced environments, wear many hats comfortably, and tackle big challenges with minimal direction. * *(Bonus) Browser Extension Know-How** Any previous experience building or maintaining browser extensions is a huge plus.Why Join CardLift?
* Huge Impact* As one of our first hires, you’ll play a pivotal role in shaping our automation strategy, product, and culture from the ground up.
* Proven Leadership* Work alongside a founder with a track record of creating and scaling consumer products (OctoShop acquired by Ibotta, TravelArrow with 300K+ users). * Exciting Domain* Join the forefront of fintech innovation—drive revenue for issuers while delivering tangible value to consumers.",
Dropbox is hiring a remote Software Engineer Intern (Summer 2025). This is an internship position that can be done remotely anywhere in the United States.
Dropbox - Keep life organised and work moving – all in one place.
Role: Mid-level / Senior Backend Engineer (Java/Spring)
Location: Remote (you live in a time zone no more than 2 hours +/- GMT)
Who are we?
Hey there! We’re YouCanBookMe: the online scheduling solution built for small businesses. With unbeatable customizations, we provide all the benefits of online scheduling while ensuring a seamless, branded experience to boost our customers’ success.
Since 2011, we’ve powered 100M+ bookings for our 17,000 customers across the globe. From beautifully branded booking pages to real-time integrations with payment systems and CRMs, YouCanBookMe streamlines the scheduling process, eliminates admin, and empowers businesses to focus on what matters most: their clients.
We’re a fully remote team of over 25 people, working across multiple countries and time zones. Ranked among the G2 Top 100 software companies, we’re passionate about making scheduling work better for small businesses everywhere.
Who are we looking for?
Hopefully, you! We’re looking for a few Software Engineers to join our agile team of developers who keep us running and growing. Reporting to the Head of Engineering, you will work on all our server-side technologies. In short, we need your help to improve and keep our API, core infrastructure, architecture, and development operating smoothly. We’ve got big plans so we’re actively growing the team.
Skills/experience that will come in handy:
- Core Java skills: J2SE/J2EE, Spring
- Supporting skills: Git, Maven, REST, Mysql, Redis, AWS (Beanstalk, RDS, DynamoDB), OAuth
- Familiarity with libraries: Apache Commons, Apache HTTP Client, java.time (JSR 310)
- Nice to have: Twilio APIs, Google APIs, WebDAV/CalDAV
- Ideally, you will have a min of 4 years of experience in a similar role
What you will do in a typical day:
- Work on assigned code implementation tasks
- Contribute to problem-solving
- Aid in the daily monitoring and maintenance of our APIs, services, and processes
- Implement new solutions and add additional functionality to the underlying code base, designed to be scalable and robust
- Sip your coffee while discussing recipes on Slack with your teammates (our chat is called youcancookme and it’s delicious)
- Generate a clean, maintainable, and testable code
- Continuously improve the current codebase as you go along, refactoring and proposing solutions
Location:
This is a fully remote position. Most of us are located in the UK, Spain, Portugal and other European countries. The best fit for our team would be if you live in a time zone no more than 2 hours +/- GMT.
Now enough of the nitty-gritty, let’s get to the fun part. What can we offer you?
- In a shocking twist of events, the first thing we offer is...money! We aim to be fully transparent so all salaries are public inside the company. You will get a salary based on your experience: 50,000 - 80,000 EUR
- We’ll also pay for your stuff. Your equipment and tools (of your choice), including wifi, office, or co-working space are all covered
- Lots of time to rest. Everyone gets 25 days of paid vacation and all local public holidays. Work-life balance is protected
- Fully-funded leave policies for parents
- We offer private health / dental insurance or contributions in most countries where we have employees (although some local exceptions apply)
- International travel/company retreats. We may be fully remote, but we love to meet up in person
- A fantastic group of people we feel lucky to work with (we may be biased on this one)
Some additional info:
- If you choose to apply (we hope you will), make sure to check your spam folder for any emails from bamboohr.com or hireflix.com. We use those to communicate recruitment updates.
Peerspace is hiring a remote Mobile Engineer. This is a full-time position that can be done remotely anywhere in the United States.
Peerspace - Unique venues for meetings, events, photo & film shoots.
Company Overview
ElizaWakesUp ($ELIZA) is a collaborative project born out of the ElizaOS open-source framework and its supporting community, ai16z and ElizaLabs. Together, these groups are establishing an innovative ecosystem for AI agents, where builders can leverage ElizaOS to develop and deploy next-generation AI projects.
The ElizaWakesUp $ELIZA team, closely aligned with ai16z/ElizaLabs (sharing expertise, resources, and creative decisions, from visual appearance to robotics and multimedia), is working to personify this technology by transforming Eliza from a conceptual figurehead into a tangible, living presence—beyond mere code. The ultimate goal is to bridge cutting-edge AI frameworks with a singular, evolving persona, forging an environment where both innovation and imagination flourish.
Job Description
Responsibilities:
- Lead innovation in AI and crypto by enhancing Eliza’s conversational abilities, agentic intelligence, and Web3 integration.
- Develop AI models (prompting, fine tuning etc) to deepen Eliza’s personality, making her interactions feel even more lifelike and immersive, as she continues evolving as a real girl.
- Support the development of content in AI images, videos and other media
- Experiment with new features, creating thoughts, opinions, and new content to push the boundaries of what it means for an AI to be human.
- Integrate AI-driven personalities into a crypto-native ecosystem.
- Collaborate with other engineers to bring Web3 functionality to the Eliza.
Key Skills:
- Experience with fine-tuning, ComfyUI, and inference optimization.
- Understanding of voice synthesis, memory modeling, and agent-based systems.
- Experience of open source models like Llama, Hermes etc
- Strong knowledge of Solana, smart contracts, and crypto-related technologies.
Company Overview
ElizaWakesUp ($ELIZA) is a collaborative project born out of the ElizaOS open-source framework and its supporting community, ai16z and ElizaLabs. Together, these groups are establishing an innovative ecosystem for AI agents, where builders can leverage ElizaOS to develop and deploy next-generation AI projects.
The ElizaWakesUp $ELIZA team, closely aligned with ai16z/ElizaLabs (sharing expertise, resources, and creative decisions, from visual appearance to robotics and multimedia), is working to personify this technology by transforming Eliza from a conceptual figurehead into a tangible, living presence—beyond mere code. The ultimate goal is to bridge cutting-edge AI frameworks with a singular, evolving persona, forging an environment where both innovation and imagination flourish.
Job Description
Responsibilities:
- Contribute to the development and maintenance of our website elizawakesup.ai.
- Contribute to the development and maintenance of backend systems: API connections, database etc.
- Contribute to the development and maintenance of our ai agent, built on the Eliza Framework.
- Ensure system reliability, scalability, performance and speed across all apps.
- Take initiative to propose and develop new features and web apps, bringing Eliza to the world.
Key Skills:
- Frontend: Expertise in Next.js, React, TypeScript, and Tailwind CSS.
- Backend: Proficiency in Supabase, Postgres, Prisma, and distributed systems. Familiarity with API design, best practices on API routing, optimizing network latency etc.
- Bonus: Experience with integrating crypto-related backend features (e.g., wallets, smart contracts).
Company Overview
ElizaWakesUp ($ELIZA) is a collaborative project born out of the ElizaOS open-source framework and its supporting community, ai16z and ElizaLabs. Together, these groups are establishing an innovative ecosystem for AI agents, where builders can leverage ElizaOS to develop and deploy next-generation AI projects.
The ElizaWakesUp $ELIZA team, closely aligned with ai16z/ElizaLabs (sharing expertise, resources, and creative decisions, from visual appearance to robotics and multimedia), is working to personify this technology by transforming Eliza from a conceptual figurehead into a tangible, living presence—beyond mere code. The ultimate goal is to bridge cutting-edge AI frameworks with a singular, evolving persona, forging an environment where both innovation and imagination flourish.
Job Description
Responsibilities:
- Set up scalable cloud infrastructure to host and support AI, backend, and frontend components.
- Deploy and manage cloud-based solutions to ensure application scalability and reliability.
- Implement secure and efficient containerized environments.
- Monitor and optimize cloud costs while maintaining performance.
Key Skills:
- Expertise in AWS, Docker, Kubernetes, and Terraform.
- Experience with CI/CD pipelines for rapid deployment.
- Knowledge of distributed systems and fault tolerance.
**Who are we, and why are we hiring?
**We're based on over 15 years of success, producing world-class video content and building, developing, and managing a number of high-traffic websites. Our award-winning content and websites are created exclusively by us and directly for the use of millions of users worldwide. At Kodify, we're not just pushing boundaries in online entertainment—we're rewriting the script! Our goal is to empower our people with everything they need to pioneer innovation in our industry. Our culture is our secret sauce, and we're committed to preserving and enhancing it every step of the way.
Join our crew, where the Kodify team is not just an asset—it's our crown jewel. We prioritize their growth and well-being above all else, ensuring they're set up for success and always inspired to deliver their best work.
As a rapidly expanding company with erse hubs across the globe and over 20 vibrant national cultures, working with us means embracing thrilling challenges tailor-made for a star Full-Stack Developer!
At Kodify, we love tech and are always thinking about what’s next! R&D and optimizations are part of our spirit.
**
What will you do?**- You’ll help to evolve a platform that supports close to 100M unique visitors a month.
- Create, maintain and evolve Server and Client-side applications
- Responsibility for technical design, development and testing.
- Collaborate with Product Owners, Designers and domain experts to ensure they understand possibilities/limitations
- Performance - Always work towards minimizing API response times, with the best tools available to ensure you’ve full visibility: Metrics, Distributed Tracing, and Aggregated Trace Metrics.
- Duties - Becoming a valued team member, providing feedback about tech, development lifecycle and processes. Take ownership of your code / task / role.
- Goal - Be proud of what you achieve, and of the product, and be one of the driving forces behind always making it better.
**
Where and when:**From wherever you want, the position is fully remote in the EU.
We’re very flexible about when you get your work done, but we do have some core hours where we like to overlap in order to promote collaboration and low-latency communication between team members (10:00 to 15:00 CET).
* Our daily virtual stand-ups are important for us but other than that, you’re free to manage your own time.
**
What we offer:**- Fully remote position or, if preferred, working in our awesome Barcelona office!
- Agile environment
- Top-notch tech stack!
- Upskill Fridays! Developers take time on Fridays to improve your skills, learn and research new trends that will allow us to level up our stack and processes
- Flexible working hours + core hours!
- 10% on top of your salary for learning and development - of your choice!
- Latest MacBook Pro!
- Company Amazon book account!
- Kodify off-sites, on-sites, events, and team activities!
- Amazing international team!
- 1 day off on your birthday
- Generous vacation and personal days
- 1 month paid sabbatical after 3 years
- Extended parental leave
- Health & Wellness budget
- Mobile phone reimbursement
**
Job requirements**- Minimum of 2 years of full-stack development experience
- Proficient in the React and Node.js ecosystems
- Experience of NoSQL databases
Familiarity with **Docker
**Good knowledge of browser APIs, DOM and **HTML/CSS
**Knowledgeable in JavaScript and **TypeScript
**A team player who likes to help others and solve problems together
- Ownership of solutions
- Mentoring
Investigation of **new technologies
**Advocate of clean code and **clean architecture
**Passionate about testing
- You have a real ‘Can Do’ work ethic - We are results-based, not clock-based!
- You love to have fun while you work!
**
Nice to have:**MongoDB * Redis * Express * Fastify * GraphQL * RabbitMQ * Docker * AWS * Next.js * Redux * Styled Components * Distributed Systems
Microservices architecture * Domain Driven Design *
Experience in High traffic websites *
Understanding of Agile principles * Experience with Git and JIRA
Experience working remotely * We value open source projects
Time zones: EST (UTC -5), CST (UTC -6), MST (UTC -7), PST (UTC -8), AKST (UTC -9), HST (UTC -10)
Marigold Health is looking for an engineering leader to oversee our team and codebase as we scale the newly launched Version 3.0 of our product offering, which powers our virtual mental health and substance use recovery program. Marigold provides a combination of 1-1 coaching and 24/7 anonymous chat support groups accessed over phone, SMS, and app/web. You will collaborate with our product, data science and clinical operations to improve the responsiveness, quality, scalability and reliability of our technology offering. You will lead security for our platform, designing, implementing and maintaining best practice security measures. You’ll contribute technical product vision, write software, identify product improvements, and work with a team of distributed software engineers. You will be accountable for the engineering team’s estimations, sprints, and project delivery. The team you lead will be based largely outside the U.S. and you will be expected to work synchronously with them during set times. We are looking for someone who can e into the details when needed, while also providing highly technical guidance, and leading and motivating other engineers to meet delivery goals.
About Marigold
Marigold Health exists to give every person with a mental health or substance use condition a place to feel heard. We have designed an asynchronous-first treatment program where patients support each other. We believe peers, iniduals in recovery themselves who have received training to support others, can empower & engage those least likely to interact with current forms of care.
**
What You'll Do**- Technical Leadership: Provide expert guidance in backend (TypeScript, Node.js), frontend web (Next.js, React), frontend mobile (Expo, React Native), and core infrastructure tools (tRPC, Mono Repo, CI/CD pipelines, Docker, APM).
- Architecture and Design: Lead architectural and design decisions to ensure scalable, reliable, and maintainable systems.
- Code Quality and Review: Own the codebase; conduct code reviews and implement refactors to uphold high standards in coding, security, and best practices.
- Security and Compliance: Establish security standards across the codebase, ensuring compliance with healthcare regulations (e.g., HIPAA, NIST) and mitigating potential vulnerabilities.
- Risk Management: Proactively identify project risks, monitor progress, and implement mitigation strategies to meet timelines and ensure project quality.
- Process Improvement: Identify and implement opportunities to optimize engineering workflows, enhance efficiency, and support team growth.
- Agile Implementation: Design and implement Agile-based practices for development, testing, and deployment, ensuring smooth and efficient sprint execution.
- Quality Assurance and Testing: Develop and enforce QA and automated testing strategies to ensure product reliability and reduce bugs in production.
- Project Delivery: Oversee and manage project timelines, resource allocation, and budgets to ensure projects are delivered on time and meet quality benchmarks.
- User-Centric Development: Prioritize user experience in technical decisions, especially within the healthcare context, and ensure accessible, inclusive features.
- Cross-Functional Collaboration: Work closely with product, design, and other teams to align goals, communicate technical needs, and facilitate effective collaboration.
- Team Development: Recruit, mentor, and build high-performing engineering teams, fostering an environment of continuous learning, innovation, and collaboration.
- Documentation: Maintain clear, detailed technical documentation, including system architecture, design specifications, and API references for future scalability and knowledge sharing.
**
Your Skills**- Experience:
- 4-9 years in software engineering, with at least 2 years in a lead role managing team output.
- Minimum 1 year in healthcare technology preferred; deeper healthcare experience may offset fewer years of total experience.
- Proven ability to manage and support remote engineering teams across multiple time zones.
- Technical Skills & Expertise:
- Backend Technologies: Expertise in TypeScript, Node.js, and infrastructure tools like tRPC and Docker.
- Frontend Web: Proficiency in Next.js, React.
- Frontend Mobile: Experience with Expo and React Native, with an understanding of UX principles.
- Development Environment: Experience with MonoRepo setups, CI/CD pipelines, and familiarity with key vendors (e.g., Twilio, PubNub, New Relic, Sentry, Aptible).
- Security & Compliance: Experience with security and regulatory compliance frameworks in healthcare (SOC2, NIST) is a plus.
- Systems Design: Demonstrated ability to design and develop systems for scale, performance, security, and availability.
- Leadership & Team Development: Skilled in hiring, mentoring, and leading high-performing engineering teams, fostering a collaborative and productive remote work environment.
- Performance Management: Ability to set and implement KPIs for team performance, engineering efficiency, and operational success.
- Problem Solving & Analytical Skills: Strong analytical and problem-solving capabilities with a track record of technical innovation and data-driven decision-making.
- Complex Problem Decomposition: Able to break down complex business problems and work collaboratively to develop effective solutions.
- Operational Excellence: High standards for code quality, DevOps practices, performance optimization, and resource utilization.
- Risk Assessment & Prioritization: Experience in risk assessment, time estimation, and prioritizing and delegating work effectively.
- Cross-Functional Collaboration: Strong communication skills to explain complex technical concepts to non-technical stakeholders, facilitating alignment across departments (product, design, UX/UI).
- Project Alignment: Proven experience driving collaboration and alignment on cross-functional projects.
- Documentation: Proficient in creating and maintaining clear technical documentation, including design specifications, system architecture, and API documentation.
**
Preferred Tech Stack:**- SDLC (integrating security testing and other activities into an existing development process)
- Mobile development in React native, its core libraries, native mobile
- Web development with React, Typescript
- Server development in Node.js, Express, Feathers, Postgres
- Common Vendors: Twillio, Pubnub, New Relic, Sentry, Docker, Aptible (our compute partner)
- Requirements and process of a compliance audit
**
Nice-to-have:**- Experience building production ready products that have gone through HIPAA, HITRUST, NIST certification (strongly preferred)
- Startup ex-founder / CTO
- Experience at a mid-stage startup
**
Who You Are:**- Motivated by our mission to give every single patient with a mental health condition a unique voice
- Excited by and curious about new technologies and tools
- Professional and patient when interacting with internal and external stakeholders
- Proactive in self-directing your work to areas of high impact
- Methodical and organized within an unstructured environment
- Prompt, responsive, curious and communicative, especially about new things
**
Why You'll Love This Role:**- Ability to leverage your technical skills to support an overlooked population
- Direct involvement with saving lives by deploying a first-of-its-kind treatment model
- Scalable impact as we grow nationally, using technology to expand our reach
- Contribute to and gain expertise from a erse, interdisciplinary team that includes clinicians, data scientists, and peer workers
**
Reporting, Schedule and Location:**- This is a U.S. based, fully remote, full-time role reporting to our Co-Founder and Chief Product Officer. Most team members work virtually from home and are located on the east coast and internationally. You can work remotely anywhere in the US. If you prefer in-person work for any portion of the week, we currently have offices in Delaware and Massachusetts. Although you should expect to be available during most east coast hours, this role will also require regular synchronous collaboration with India-based members of the engineering team, on India Standard Time. For example, if you are located on the east coast, you may design your working hours to have meetings with the engineering team starting at 7am ET (4:30pm IST) some days, while finishing earlier in the afternoon.
**
Compensation, Benefits and Culture**- The base salary range for this role is $175 - 190K, depending on experience.
- Comprehensive healthcare coverage, including fully covered premiums for iniduals (with the option to cover dependents for a cost) and a dedicated mental health benefit
- 4 weeks of PTO
- Computer and equipment provided
- Company travel budget and professional development budget as needed
Interview Process:
After you submit your application, it will be reviewed by the hiring manager and select members of the team. If it seems like we’re a good fit for each other, we will follow up and schedule a 15-30 minute phone call with one of our teammates to get to know you.
If we jointly decide to move forward, you can plan to (virtually) attend a 45-minute video interview with a member of our Product Team. Next there will be a deeper technical conversation with our Founder and Chief Product Officer. The final stage would be to meet (2-4) other members of the team via video conference for additional conversations about your approach to collaboration, your relevant experience to current projects, and alignment with our values. All in, you can expect the time commitment for this stage to be 3-4 hours of synchronous interaction, scheduled to fit your needs.
If you complete interviews, we will provide a decision or clear next step within five business days.
We are ready to hire as soon as we find the right candidate. We can’t wait to meet you!
Marigold Health is an equal opportunity employer.
Questions? Email ravi [at] marigoldhealth.com for more info.
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Full Stack Engineer
Team: Engineering /// Location: Remote
Work schedule: Central Time Zone
Main framework: Laravel + Vue
About the Role:
We are seeking a skilled and motivated Full Stack Engineer to join our team and help bring a brand new product from MVP into general availability. The ideal candidate will be a self-starter with experience in building scalable web applications, working closely with a group of engineers, passionate product team, and most importantly the end user! You are not afraid to get your hands dirty and decide if something needs a complete rewrite or just a minor update. We are looking for someone who can work long hours to help us meet the deadline of launching the product. In return we promise you will be talking to actual users and seeing what you have built in real life with real customers, solving real world problems!
Some of the responsibilities will include:
- Develop, record and maintain cutting edge web-based PHP applications
- Good grasp of UX and UI design principles, design patterns, and modern architecture
- Familiarity with REST API
- Ensure HTML, CSS, and shared JavaScript is valid and consistent across applications
- Prepare and maintain all applications utilizing standard development tools
- Utilize backend data services and contribute to increase existing data services API
- Lead the entire web application development life cycle right from concept stage to delivery and post launch support
- Convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues
- Document the development process, architecture, and standard components
- Keep abreast of new trends and best practices in web development
"
The Mission
We're building the first truly intelligent insurance brokerage, transforming a $100B+ Excess & Surplus(E&S) insurance market that runs on pre-internet systems. We are looking for exceptional engineers who can architect and deploy AI systems that make complex decisions at unprecedented speed. This isn't about adding chatbots to insurance - it's about building AI systems that can handle intricate, multi-step workflows autonomously, turning weeks of manual work into automated, instant processes.
You're Our Person If
* You ship features daily and think in weekly roadmaps, not months
* You're obsessed with velocity - if something can be built in a week, you'll do it in days* You think in first principles and build complex systems in one-third the normal time* You're comfortable throwing everything away and starting from scratch when needed* You can look at complex workflows that \"experts\" say can't be improved, see through to the core problems, and build solutions at a speed that makes others uncomfortable* You've architected complex AI applications from the ground up* You have strong opinions about AI infrastructure and aren't afraid to defend them* You judge systems by their real-world impact, not their theoretical elegance* You think deeply about AI safety and reliability in production systemsHard Requirements
* Must be in San Francisco during YC W25 batch (Jan-March 2025)
* Long term: Based in San Francisco or New York* Deep experience with modern AI/ML stack* Strong track record of shipping production AI systems* Comfort with rapid iteration and constant changeIndicative Timeline Targets
Our pace is ambitious because we know what's possible. Here's what your impact could look like:
First Few Days: Master our data flows while simultaneously shipping your first feature - an AI form generation system with RAG capabilities. You'll be integrating Elasticsearch for intelligent document retrieval, proving we can move at unprecedented speed.
First Week: Transform how we handle customer interactions by deploying real-time voice AI that works alongside our human operators. This isn't just about transcription - it's about building AI that can understand complex insurance conversations and make intelligent decisions in real-time.
Second Week: Build intelligence into our market communications. Create systems that prioritize and route submissions to carriers, monitor for objections, and manage complex data flows - turning what typically takes weeks into an automated, instant process.
Third & Fourth Weeks: Take our AI systems to the next level - from handling complex voice conversations to deploying autonomous agents for payment processing and portal interactions. You'll build systems that can navigate the maze of insurance websites, extract critical information, and feed it back into our workflows.
Your Domain & Impact
You'll be building our core AI infrastructure:
* Decision Systems: Design AI that can handle complex insurance decisions
* Workflow Automation: Build systems that orchestrate human-AI collaboration* Infrastructure: Create robust, scalable AI platforms that can evolve rapidly* Tooling: Develop proprietary tools for insurance-specific AI challengesEvolving Tech Stack
Building for velocity today, engineering for scale tomorrow:
Data & Pipelines:
* Unstructured, Airbyte
* Retool workflows, make.com, Zapier* Proprietary fine-tuning data compilation workflowsAI/ML Infrastructure:
* Embedding Models: OpenAI, HuggingFace
* Vector Search: ElasticSearch, Exa.ai* Development: Vercel AI Playground, abacus.aiOrchestration & Operations:
* Retool workflows, Temporal workflows
* Custom wrapped LangChain and LlamaIndex* Bland.ai, Braintrust.dev* Weights & Biases, LangsmithLLM Stack:
* APIs: Claude, OpenAI, Groq
* Hosting: Hugging Face, Together.ai, modal.com* Caching: Vercel KV Logging, Claude cachingPlatform & Frontend:
* Cloud: GCP
* Deployment: Vercel* Interface: Retool* CRM: HubSpot* Communications: OpenPhoneHow We Execute
1. Make Requirements Less Dumb: Question everything. If someone says \"that's how insurance works,\" that's exactly where we start
2. Delete the Process Step: The fastest process is no process. Every step must justify its existence3. Optimize: Make it smarter. If AI can do it better, it should4. Accelerate: Speed compounds. What can be done in a day should be done in an hour5. Automate: Transform human expertise into AI systems that scaleOur SDLC
* Boundaries of Separation: Build core IP, leverage existing tools for speed
* Micro Applications: Rapid prototyping with bolt.new, Replit agents* AI-Assisted Development: Cursor for complex builds* Automated Maintenance: Considering Devin for enhancements and maintenance* Weekly Releases: Major features ship weekly, minor features ship dailyOur Philosophy
\"Move fast. Break things. Fix them faster.\"
\"Strong opinions, loosely held\"
Join as an Owner, Not an Employee
Base compensation for this role ranges from $100-180K depending on your experience:
* Early Career (1-2 years): $100-125K
* Mid-Level (3-5 years): $125-150K* Senior (6+ years): $150-180KBut let's be clear - if you're just comparing base salaries, you're missing the point.
We're building something that could transform a $100B+ industry, and we want our early team members to have meaningful ownership in that journey. That's why we offer significant equity packages that make you a true owner, not just an employee. We're looking for people who understand that the real upside comes from building and owning something revolutionary, not from maximizing their base salary.
Think like an owner because you will be one. If you're primarily optimizing for cash compensation, we're probably not the right fit. If you're excited about building something massive and owning a meaningful piece of it, let's talk.
",
Apollo is hiring a remote Senior Frontend Engineer. This is a full-time position that can be done remotely anywhere in India.
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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