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Taiko Labs is at the forefront of blockchain innovation, developing the Taiko ZK-EVM, a Layer 2 solution that scales Ethereum by faithfully emulating its technical and non-technical characteristics. Our solution, an Ethereum-equivalent (Type 1) ZK-EVM, enhances the performance of Ethereum by supporting all EVM opcodes within a decentralized, permission-less, and secure Layer 2/3 framework.
Our team is rooted in a firm belief in the power and potential of zero-knowledge proofs (ZKPs). Comprising seasoned professionals who have been utilizing ZKPs since 2018, our team has the distinction of having built the first ZK-Rollup on Ethereum. As we continue to push boundaries and innovate, we are eager to augment our team with talented, driven iniduals who align with our vision and are ready to make a significant contribution to the blockchain landscape.
We are looking for a Senior Backend Engineer to join the client team developing the nodes that will run our ZK-EVM. The Taiko L2 client is based on a fork of Geth and relies heavily on learnings from Ethereum clients. The ideal candidate has expert experience with Go, is familiar with blockchain infrastructure, and can write high-quality, high-performance, clean code. In the future, the team will also work on alternative execution client implementations.
About the role
- Write code for the Taiko L2 client in Golang
- implement, improve, and test Taiko Based Contestable Rollup (BCR)
- Security testing and optimization of the L2 client
- Working collaboratively with our Proving System team
About you
- 4+ years of development experience in Golang.
- Experience with Ethereum and at least one Ethereum client codebase such as Geth/Reth.
- Experience with performance optimization and high-load projects
- Security-minded and always learning
- A deep sense of ownership in your work, capable of seeing a complex project through from start to finish
- One year experience with DevOps, familiar with docker-compose and Kubernetes
- Familiar with CI/CD and automation best practices such as with GitHub actions and release processes
Benefits
The role is remote, offers competitive compensation (cash + equity), and an opportunity to help scale Ethereum - a technology and ecosystem that is changing the world.
Latest post about 16 hours agoGitLab is hiring a remote Engineering Manager, Organizations. This is a full-time position that can be done remotely anywhere in EMEA.
GitLab - A single application for the entire DevOps lifecycle.
Team Lead – Frontend Development
Emmacare.com LLC
We are a US-based company developing an innovative solution in the HealthCare IT market, combining cutting-edge Business Intelligence technologies with gamification to improve patient outcomes. This is an incredible opportunity to join Emmacare at a pivotal growth stage, lead a talented team, and contribute to solutions that help real people every day.
Our leadership team includes highly experienced and successful professionals who have built multi-million-dollar businesses. We offer a dynamic, startup environment with minimal bureaucracy, fast feedback cycles, and the chance to shape our product.
What You’ll Love About Us:
● Work on a meaningful project that make a tangible difference in healthcare.
● Full in-house development
● Opportunity to grow technically, professionally, and in leadership.
● Collaborative, feedback-driven culture with a direct connection to clients.
What You’ll Do as a Team Lead:
● Lead a team of 2–4 developers, ensuring high-quality code delivery and collaboration.
● Oversee ongoing development and support of the product solution, focusing on frontend logic and markup.
● Work on complex frontend tasks, including RTC, WebSockets, Graphs, and Grids.
● Guide the team through technical product improvements, requirement analysis, and brainstorming sessions.
● Mentor and support team members, fostering a culture of technical excellence.
● Collaborate with cross-functional teams to align technical efforts with product goals.
What We’re Looking For:
● 7+ years of experience in commercial Frontend Development, with at least 2 years of leadership experience.
● Expertise in:
○ HTML5, CSS3, and CSS preprocessors.
○ React/Redux and modern JavaScript (ES6+).
○ REST API Integration Experience
○ Knowledge of TypeScript and Ant Design.
● Ability to communicate effectively in English at an Intermediate level or higher.
It’s Nice to Have:
● Experience with WebSockets, and WebRTC integrations.
● PDF Generation Experience
● Familiarity with tools like JIRA (including Tempo and Pivot Table) and Confluence.
● Experience working in Agile SDLC environments.
● Understanding of CI/CD pipelines, e.g., CodeBuild/CodePipeline.
Why Join Us as a Team Lead?
At Emmacare, you won’t just lead a team—you’ll drive innovation in a growing company where your ideas and contributions matter. This is your chance to grow with us, influence a product that directly impacts lives, and be part of a supportive, ambitious team working on solutions that make a difference.
Ready to Lead and Innovate in Healthcare IT? Apply today to join Emmacare!
Please mention the word MERRY when applying to show you read the job post completely (#RMzQuMzAuMTUwLjE0OA==). This is a feature to avoid fake spam applicants. Companies can search these words to find applicants that read this and instantly see they're human.
Salary and compensation
$50,000 — $70,000/yearWhat are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
Role Overview:
As a Senior Full Stack Engineer, you will be responsible for designing, developing, and maintaining both frontend and backend components. You will work closely with product managers, designers, and other engineers to deliver high-quality, secure, and scalable solutions that meet the needs of our clients. This role requires a deep understanding of both frontend technologies like React and backend systems.
We are looking for candidates located in the EMEA region.
Why You’ll Love This Role
- Impactful Work: Your contributions will directly influence the way stakeholders interact with and perceive the security of blockchain networks through both the dashboard and the Insights API.
- Collaborative Environment: Join a team of passionate professionals who are committed to innovation, quality, and making a tangible impact in the blockchain space.
- Professional Growth: Enjoy opportunities for professional development and career progression in a rapidly evolving industry.
About You
An ideal candidate has 5+ years of Full-Stack Development experience and contributed to blockchain-related projects. We are looking for candidates who have worked on complex projects in a distributed team.
- Problem-Solving Attitude: Creative thinker with a knack for solving intricate technical challenges.
- Communication: Excellent communication skills, with the ability to convey technical concepts to non-technical stakeholders.
- Autonomous: The ability to work independently, make informed decisions, and take initiative without needing constant supervision, ensuring high productivity and effective problem-solving.
- Mentorship and Leadership: Provide technical guidance and mentorship to team members, fostering a culture of continuous learning and improvement.
Responsibilities:
- Collaborate with cross-functional teams, including product managers, designers, and other developers, to deliver high-quality projects on time.
- Writing clean, efficient, and maintainable code: Writing code that is easy to understand and modify is crucial.
- Debugging and testing: Ensuring that the frontend code is error-free and performs optimally through debugging tools and testing methodologies.
- Staying up-to-date with emerging trends and technologies: The web development industry is constantly evolving, and it is essential to stay current with the latest technologies, trends, and best practices.
- Documenting code and maintaining code repositories: To ensure that the development team can easily understand and modify the codebase, it is crucial to document your code and maintain code repositories.
- Participating in code reviews: Code reviews help identify potential issues and ensure that the codebase meets quality standards. You should be prepared to participate in code reviews and provide feedback on other team members’ code.
- Assisting with deployment: You may be involved in the deployment process, which includes configuring web servers, managing version control systems, and resolving any issues that arise during deployment.
- Provide guidance and mentorship to more junior developers, promoting continuous learning and improvement within the team.
Skills:
- Excellent skills in modern Go. Other programming languages and platforms are nice to have (JavaScript/Typescript, Rust, Python or Java)
- Awareness of modern client- and server-side React applications
- Experienced in designing scalable APIs
- Experienced in testing backend and frontend
- Experienced in modern database design and interaction (SQL and/or NoSQL)
- Expertise in architecture principles, design patterns, and the ability to analyze and address trade-offs in business requirements, system performance, reliability, and maintainability
- Experience in working closely with a DevOps team to design and deploy cloud-native infrastructure, to ensure scalability and reliability
Nice to have:
- Blockchain application experience (e.g. DeFi Protocols, Wallets, DEXs, block explorers, blockchain user-facing applications)
- Experience with smart contract development and interaction (e.g., Solidity, Web3.js, ethers.js)
- Small team leadership experience
- Financial Services and Markets understanding
Keep up to date on what we are working on by following us on our social channels:
- Discord
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
Are you the one?
Starknet is the fastest-growing network in terms of new developers joining the network. Nethermind builds many developer-facing tools that need to work seamlessly in this fast-paced blockchain. This ecosystem needs contributors with a quality mindset, capable of applying their craftsmanship and systematic creativity to improve its components. Your software engineering experience and ability to rally developers around you could mean the difference between a flawless network upgrade and a community forking event. Do you have what it takes?
Responsibilities:
- Lead and manage the software development team maintaining ecosystem components and applications in the blockchain space.
- Collaborate with Product Owner and Project Manager to drive a vision of how products add value and evolve in alignment with company strategy and goals.
- Drive the adoption of best practices in coding, testing, and maintenance to ensure quality and scalability.
- Oversee the design, development, and implementation of new software programs and updates.
- Foster a culture of creativity and innovation within the team.
- Mentor and develop team members, identifying strengths and areas for growth.
- Ensure the optimization of development processes for efficiency and effectiveness.
- Stay abreast of emerging technologies and industry trends to maintain a competitive edge.
Skills:
- Track record of leading complex software projects with large transaction loads and/or large user bases
- An understanding of good software architecture
- Ability to implement efficient algorithms and design complex data structures
- Excellent programming skills, Go or Rust preferred but will also consider other tech stacks (e.g. Java, C++)
- Ability to write clean, testable, and maintainable code without over-engineering
- An entrepreneurial nature, willing to take ownership and run toward problems
- Pragmatic experience in various software development methodologies
- Understanding of DevOps principles, experience working in CI/CD-enabled environments
- Strong computer science background
- A fascination with the inner working of blockchains
Nice to have:
- SDK evolution and maintenance - with focus on providing best in class Developer Experience
- Blockchain / EVM / TransactionPool / JSON RPC
- Complex data structures for example Patricia-Merkle/Verkle tries
- NoSQL Key Values databases for example RocksDB
Keep up to date on what we are working on by following us on our social channels:
- Discord
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
About the role:
Nethermind produces a wealth of tools used in production. We are looking for people passionate about making software easy to use and have a keen eye for guiding users through libraries and tooling.
We are hiring a Technical Writer who is ready to join a rapidly growing and innovative organization. You are a good match for this role if you have a keen interest in decentralized technology platforms, and can write in detail about blockchain and open source technologies, zero knowledge concepts, decentralized finance (our customers), and our products - Ethereum Client, Juno, Voyager. You should have a basic understanding of EVM, Ethereum state, L1/L2, Execution and Consensus clients.
You should be obsessed with Diátaxis or have strong feelings against it.
Responsibilities:
- Oversee strategy, creation, and execution of thought leadership content on blockchain, open source technologies, and decentralized finance
- Document new products, features, and APIs
- Document standards, guidelines, and best practices for engineers
- Organize documentation and make it easily discoverable
- Maintain content quality through curation and content performance analysis
- Ensure all business narratives and messages are in support of the content strategies
- Engage with the crypto community and varying audiences on technical subjects (including Medium, Twitter, and Reddit)
- Work closely with Engineering and Marketing teams
- Use creativity, judgment, and attention to detail toward professional, technical, and operational problems
Must Haves:
- Technical writing experience
- A strong command of the English language and an ability to translate complex technical concepts into clear, accessible prose
- Ability to engage with the blockchain community and varying audiences on technical subjects
- Strong experience owning an end-to-end documentation creation process
- Experience in building and owning documentation with topic-based authoring
- Experience using tools to create, manage and publish documentation, and experience with GitHub
- Experience working directly with engineering teams on a product for a technical audience, such as DevOps, developers, or scientists
- Excellent attention to detail and the ability to prioritize and work on multiple projects in a fast-paced, changing environment
- Demonstrated people skills that contribute to an open and collaborative environment
- Comfortable using Medium, Twitter, and Reddit
Nice to Haves:
- Programming knowledge or experience is a plus
- Experience creating automated documentation tools
- Background in Marketing, Communications, Journalism, English, Public Relations, Information Technology, Psychology, Business Administration, International Relations, Law, or any related field
- Prior experience in a Communications role
- Ability to collect, summarize, and analyze metrics to measure content performance and audience engagement
- Existing contributions in the decentralized finance space
Keep up to date on what we are working on by following us on our social channels:
- Discord
About Us:
Soar is a global fintech startup that specializes in financing and investment. Currently headquartered in Saudi Arabia, Soar is growing throughout the region with a mission to help people achieve their financial goals with innovative financial and property investment solutions and tools through its multi-purpose platform, designed to offer a simple and seamless user experience.
Position Overview:
We are seeking a Senior Backend Engineer to join our engineering team. As a Senior Backend Engineer, you will play a critical role in developing and scaling our core backend infrastructure, ensuring that we provide secure, reliable, and high-performing services to our users. You will work closely with other engineers, product managers, and stakeholders to design and implement backend solutions that power our financial services platform.
Job duties and Responsibilities:
• Backend Development: Design, develop, and maintain high-quality backend systems, APIs, and services that are scalable, efficient, and secure.
• Performance Optimization: Ensure that our backend services meet performance, scalability, and reliability standards. Optimize and improve existing systems to handle increasing traffic and business demands.
• Security: Implement robust security measures to safeguard sensitive financial data and ensure compliance with relevant regulations (e.g., PCI-DSS, GDPR).
• Collaboration: Work closely with frontend developers, product managers, and other stakeholders to deliver full-stack features that drive the business forward.
• Code Quality: Write clean, maintainable, and well-tested code. Conduct code reviews and ensure best practices in software development.
• Mentorship: Mentor junior developers and contribute to their growth by sharing your expertise in backend development, architecture, and best practices.
• Troubleshooting: Identify and resolve issues related to system performance, security, and reliability, and ensure timely resolution.
• Continuous Improvement: Stay up to date with the latest trends in backend development, fintech, and cloud technologies. Contribute to the evolution of our tech stack and development practices.
Required Skills and Experience:
• Experience: Minimum of 5+ years of experience in backend development, with a strong focus on building scalable and secure web applications or APIs.
• Languages: Proficiency in server-side programming languages such as Node.js.
• Databases: Expertise in working with relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB), Redis and SQL databases.
• Cloud Infrastructure: Hands-on experience with cloud platforms such as AWS, Azure, or Google Cloud, as well as containerization technologies like Docker and orchestration tools like Kubernetes.
• Microservices: Strong experience in designing and building microservices-based architectures.
• APIs: Expertise in RESTful API design and integration, and experience working with third-party APIs.
• Version Control: Proficiency with version control systems such as Git.
• Security: Experience with implementing security best practices in web applications, including data encryption, authentication, and authorization (OAuth, JWT, etc.).
• CI/CD: Knowledge of Continuous Integration/Continuous Deployment (CI/CD) pipelines and DevOps practices.
• Agile: Experience working in agile environments and using tools such as Jira, Confluence, or Trello.
Preferred:
• Fintech Experience: Previous experience in the fintech or payments industry, with a strong understanding of financial regulations and security practices.
• DevOps: Experience with infrastructure-as-code tools like Terraform or CloudFormation, as well as monitoring and logging tools like Prometheus, Grafana, or ELK stack.
• Blockchain: Familiarity with blockchain technology and its integration into financial applications.
• Languages: Proficiency in additional programming languages such as Python, Java, or Rust.
• AI Technology Development: Experience in developing AI-based applications, including implementing machine learning models, natural language processing (NLP), and working with frameworks like TensorFlow, PyTorch, or Hugging Face.
Personal Traits:
• Strong problem-solving and analytical skills.
• Excellent communication skills, both verbal and written, with the ability to collaborate effectively across teams.
• Proactive, self-motivated, and able to work independently in a fast-paced startup environment.
• Passion for technology, innovation, and learning.
• Strong sense of compliance, ensuring adherence to policies, standards, and regulations.
• Positive, professional attitude, fostering a constructive and collaborative work environment.
Notes:
By clicking Apply, you will be automatically redirected to a 1-hour exam. Please ensure that you are ready to begin.
Join us and get ready to Soar!
Please mention the word INSPIRATION when applying to show you read the job post completely (#RMzQuMzAuMTUwLjE0OA==). This is a feature to avoid fake spam applicants. Companies can search these words to find applicants that read this and instantly see they're human.Salary and compensation
$70,000 — $80,000/yearBenefits
🌎 Distributed team
🚫 No politics at work
0x is looking to hire a Senior Data Engineer to join their team. This is a full-time position that is remote or can be based in San Francisco CA.
We are seeking a Site Reliability Engineer to join our team to help streamline operations and maintain critical infrastructure. You’ll write custom code to automate operational tasks and support a fleet of nodes for multiple blockchain networks. You’ll also provide guidance and expertise to development teams to ensure their applications follow modern best practices. Your work will directly impact the health and stability of our L1.
About ZetaChain
ZetaChain is the first Universal Blockchain with native access to Bitcoin, Ethereum, Solana, and more, offering seamless UX and unified liquidity to the next billions of users. With its Universal EVM, ZetaChain empowers developers to build Universal Apps that operate natively across any blockchain, creating a fluid crypto ecosystem from a single platform.
- Thriving Ecosystem: 1000 dApps developed between testnet and mainnet, showcasing erse innovation and utilization.
- Engagement: With over a million community members, ZetaChain fosters a dynamic environment for engagement, and collaboration.
- Live on Mainnet: partnered with all major exchanges.
- Activity: Our network has over 4M unique addresses and growing fast!
- Well Funded: Raised over $27M!
Find out more about our ecosystem.
Find out more about our hiring culture: Dream Team Culture.
Why You Want To Work Here
- Impactful Role: Play a pivotal role in shaping the future of a leading blockchain protocol.
- Remote Flexibility: Enjoy the freedom and flexibility of a remote work environment, ensuring a work-life balance with quarterly team meet ups to get to know each other in person.
- Cutting-Edge Technology: Dive deep into the latest advancements in blockchain technology with ZetaChain’s innovative protocol.
- Continuous Learning: Stay updated with the rapidly evolving blockchain landscape, ensuring you’re always at the forefront of the industry.
- Commitment to Open Source: We are committed to supporting open source software and use high quality open source tools internally when possible.
Requirements
Our ideal candidate description is a wish list, not a checklist. We don’t expect every applicant to tick every box. If you have a strong alignment with many of the qualifications and a passion for learning, we’d love to hear from you.
- Experience:
- 2+ year of Software Development
- 2+ years of Infrastructure experience
- 2+ years of Linux and Ansible experience
- 2+ years of Kubernetes experience
- Must play well with others, success is a team sport and at ZetaChain everyone participates!
- Previous Startup Experience is important. We move much faster than your typical enterprise environment.
- Security Mindset: constantly anticipating and strategizing against potential threats and vulnerabilities in any system or process.
- Languages: Go, Ansible, Python, Terraform, Bash
- Tech stack: Grafana, Linux, Docker, Kubernetes, Cosmos SDK
- Platforms: AWS, GCP, Bare Metal
- Location:
- Remote (USA, Argentina, or EU)
- Job Responsibilities:
- Write code to streamline operations
- Build monitoring and dashboards to report on server, infrastructure, and web app health
- Deploy and maintain blockchain nodes for ZetaChain, Ethereum, Bitcoin, etc
- Manage infrastructure for web applications
- Ensure all processes meet our security, performance, and reliability requirements
- Participate in on-call rotation every month
- Bonus points:
- Familiar with DevOps, DevSecOps, GitOps methodologies & best practices
- Understanding of blockchain (Bitcoin, Ethereum, Cosmos); smart contracts (solidity), p2p networking
- Experience with Go (Cosmos SDK, go-ethereum, btcsuite, Tendermint Core)
Who Would Be a Good Fit for This Role?
A candidate who is a coder at heart with a erse set of experiences. They should enjoy streamlining operations and building new services that include comprehensive monitoring.
- A seasoned developer with a solid foundation in software engineering and infrastructure
- A proactive problem-solver with a track record of ensuring system reliability and scalability, now ready to tackle the unique challenges of blockchain infrastructure.
- A creative thinker who is not only skilled in programming but also in building testing and observability tools to streamline development processes.
- Someone with substantial experience in building and maintaining robust, scalable backend systems.
Does this feel like the perfect fit for you or someone else you know? Apply Discord to get in touch with a team member.
Eyeo is hiring a remote Senior Data Scientist. This is a full-time position that can be done remotely anywhere in the United Kingdom.
Eyeo - Develops open source software and makers of AdblockPlus.
**We’re Hiring: A Humble Hacker - Start With WordPress and Beyond
**Do you love hacking together quick, functional solutions?
Can you create magic with themes and templates, bringing functionality to life?
Are you resourceful and able to explain tech in plain English?
If that sounds like you, keep reading—we need your skills!
--
What You’ll Be Doing
1. Building MVPs Using Prebuilt Elements:
• Set up WordPress sites with themes and plugins.
• Optimize for SEO (sitemaps, site speed, etc.).
• Design and implement aggregator-type functionality.
• Update plugins and manage site maintenance.
• Figure out how to upload content at scale (like 200-300 pieces of content, not 1000s scale)
3. Exploring Creative Tech:
• Recommend innovative solutions and platforms beyond WordPress.
• Experiment with Firebase or other technologies for future AI SaaS tool creation
Problem-Solving & Communicating:
• Propose clear paths and explain your tech decisions.
• Help us find scalable solutions for growth.
---
Who We Are
We are The Humble Hackers.
We’re a small, dynamic team passionate about smart solutions and fast results.
Our focus? AI and VR.
We research and create apps about topics like:
• AI girlfriends
• Deepfake tools
• FaceSwap
• AI video generators
Our marketing revolves around smart SEO and content generation.
We’re no-drama, no-ego—just clever ideas and a drive to build cool stuff.
---
What We’re Looking For
• Technical Problem Solver: You can hack sites together and make things work fast.
• AI Enthusiast: You’re comfortable using AI tools to boost productivity.
• Communicator: You explain tech clearly and propose different paths with reasoning.
• Humble Learner: Low ego, open to feedback, and eager to improve.
--
Bonus Points For:
• SEO experience or familiarity with tools like Ahrefs.
• Programmatic content uploading or automated SEO skills.
Salary & Growth
$1,500 - $2,000/month (based on skills & experience).
We reward results. Show your skills, grow with us, and let’s build amazing things together.
---
Why Join Us
• Remote Flexibility: Work when you’re most productive, but of course we need to align to work together.
• Results-Driven Focus: We value results over hours logged.
• Ego-Free Environment: No big egos here—just collaboration and clarity.
• Accelerated Growth: Learn and achieve faster than ever before.
What You WON’T Be:
• An Elitist or Diva: We’re about action, no politics, big egos.
• Drama Magnet: We maintain a hassle-free, collaborative culture.
How to Apply
Ready to show us your hacker spirit?
Fill out this simple Google Form to share your skills and problem-solving mindset:
https://forms.gle/GFqiJ9KDnENw1X4T7
We can’t wait to meet you!
RevenueCat is hiring a remote Senior Developer Advocate. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
RevenueCat - The better way to build and manage subscription apps.
cLabs is looking for a Blockchain Core Engineer to grow the Blockchain team, which is responsible for the Celo’s blockchain node. This role involves working on a go-ethereum based node with transformations that make the Celo blockchain unique (such as the consensus engine).
Our main challenges are scaling the network, improving its security and resiliency, and adding new features that can only be done at node level (such as paying for gas fees with an ERC20 token) to the Celo ecosystem.
In the Blockchain team, we collaborate with other engineering teams within cLabs. This includes other platform teams such as the Primitives team (as we constantly access smart contracts as part of our operation), and user-facing teams such as the Developer Tools teams (as a big part of our job is to make end users’ and contributors’ lives easier). We also collaborate with other teams to design and implement the right incentives for our validators and full nodes.
This is a role with wide exposure to many areas of the stack, and you’ll quickly get acquainted with all the moving parts in a modern blockchain project.
You will:
- Collaborate with teammates and design the Celo protocol
- Contribute to the Celo blockchain client (L1 and L2), making sure it works as expected
- Perform load testing and performance optimization, identifying bottlenecks and optimal parameters for healthy functioning of the chain
- Write documentation outlining the specifics of the Celo protocol
You have:
- Prior blockchain knowledge and development experience
- Golang knowledge, ideally familiar with geth / optimism / erigon or other golang-based Ethereum clients
- Distributed systems design skills and development experience
- Good debugging skills, good understanding of how to figure out why things behave in unexpected ways
- Good communication skills, both written and verbal
- Responsible attitude to work, strong work ethics
HashiCorp is hiring a remote Sr. Backend Engineer. This is a full-time position that can be done remotely anywhere in the United States.
HashiCorp - Cloud infrastructure automation.
Consensys is looking to hire a Security Analyst to join their team. This is a full-time position that can be done remotely anywhere in the United States.
At GrowthX, we design growth systems that integrate AI automation and expert guidance to help marketing teams with content creation, distribution, and conversion. Since starting in May, we’ve hit seven-figure annual revenue in just five months, grown by double digits month-over-month, and teamed up with incredible partners like Reddit, Ramp, and HeyGen to drive their growth.
**About the role
**We are seeking a Senior or higher full-stack developer with a strong product mindset and high standards for user interface design. Our stack includes React (TypeScript with Tailwind/Shadcn) and Ruby on Rails (Rails experience is a plus but not required).
As our first product engineer, you’ll take the reins of our internal platform, which supports everything from SEO tools to AI-powered text editing. You'll be sharing the codebase with our CTO, and setting the foundation for a team we plan to grow in the first quarter of next year.
Being an AI-native company, we expect every team member to embrace AI to boost productivity. Familiarity with tools like Cursor or Windsurf is essential, and we’re excited for you to help us push the boundaries of what’s possible.
This is a fully remote role, but we do ask for at least 4 hours of overlap with US Pacific Time—during reasonable work hours.
**Requirements
****What You'll Do
**- Collaborate with the services and technical teams to design and deliver full stack solutions supporting clients and internal teams.
- Build and maintain features using React (TypeScript) and Ruby on Rails, enhancing internal workflows and tools.
- Turn ideas from whiteboard sketches into fully functional, production-ready features with high-quality UX.
- Use tools like Cursor to accelerate development, streamline maintenance, and optimize workflows.
- Focus on creating intuitive and visually appealing interfaces that deliver an exceptional user experience.
- Maintain and deploy infrastructure supporting internal platforms.
- Design features with strong attention to usability, creating clear and enjoyable user interfaces.
- Write concise, effective UI copy.
- Support marketing initiatives with small coding projects as needed.
- Help create and maintain some AI Workflows (no experience needed here, but willing to learn is a must).
**About You
**We’re looking for someone with:
- Proven Experience: Strong full stack skills, including building web applications using React and Ruby on Rails (or Python), working with PostgreSQL, and familiarity with frontend frameworks like Tailwind or Shadcn.
- Passion for AI: Excitement for GenAI, LLMs, and tools like Cursor or Windsurf, with experience leveraging them for rapid development.
- Good Design Taste: An ability to create user-friendly interfaces independently, focusing on clarity and usability.
- Ownership: A self-starter mentality, capable of managing projects and priorities with minimal supervision.
- Collaborative Mindset: A team player who thrives on proactive communication and constructive feedback.
- Communication Skills: Clear and proactive communication skills, essential in a remote environment, with the ability to keep the team informed and aligned.
- Pragmatic Approach: A focus on practical, impactful solutions, avoiding over-engineering or bikeshedding.
- Project Management: Excellent organizational skills, keeping your to-dos and tickets up to date, and ensuring team awareness of progress and blockers.
This role is more suited for someone that have created entire projects on their own, even if just as a side-projects, than someone that prefers a lot of structure or guidance.
**A Typical Week at GrowthX
**Here’s how you might allocate your time in a typical week:
- 15% - Meet with the founders to brainstorm features for our internal platform.
- 10% - Iterate with the founders on paper wireframes to clarify ideas and direction before coding.
- 10% - Spend time with the Content team to learn their needs and workflows.
- 30% - Code in React/Shadcn to build the frontend for our internal platform powering our Managing Editors.
- 25% - Code the backend and database using Ruby on Rails and Postgres to support the frontend.
- 10% - Update your tasks and communicate project progress in Basecamp.
Benefits
- Competitive Compensation: Salary range of $120,000 to $180,000 based on experience, plus stock options at fast growing startup.
- Remote Flexibility: Work from wherever you’re most productive.
- Ample Time Off: Unlimited vacation policy, with a recommended minimum of 15 days.
- Impactful Work: Join a team transforming how businesses leverage AI for growth.
- Less Meetings, More Async Work: Autonomy and asynchronous collaboration are prioritized to maximize productivity.
We are seeking a Site Reliability Engineer to join our team to help streamline operations and maintain critical infrastructure. You’ll write custom code to automate operational tasks and support a fleet of nodes for multiple blockchain networks. You’ll also provide guidance and expertise to development teams to ensure their applications follow modern best practices. Your work will directly impact the health and stability of our L1.
About ZetaChain
ZetaChain is the first Universal Blockchain with native access to Bitcoin, Ethereum, Solana, and more, offering seamless UX and unified liquidity to the next billions of users. With its Universal EVM, ZetaChain empowers developers to build Universal Apps that operate natively across any blockchain, creating a fluid crypto ecosystem from a single platform.
- Thriving Ecosystem: 1000 dApps developed between testnet and mainnet, showcasing erse innovation and utilization.
- Engagement: With over a million community members, ZetaChain fosters a dynamic environment for engagement, and collaboration.
- Live on Mainnet: partnered with all major exchanges.
- Activity: Our network has over 4M unique addresses and growing fast!
- Well Funded: Raised over $27M!
Find out more about our ecosystem.
Find out more about our hiring culture: Dream Team Culture
Why You Want To Work Here
- Impactful Role: Play a pivotal role in shaping the future of a leading blockchain protocol.
- Remote Flexibility: Enjoy the freedom and flexibility of a remote work environment, ensuring a work-life balance with quarterly team meet ups to get to know each other in person.
- Cutting-Edge Technology: Dive deep into the latest advancements in blockchain technology with ZetaChain’s innovative protocol.
- Continuous Learning: Stay updated with the rapidly evolving blockchain landscape, ensuring you’re always at the forefront of the industry.
- Commitment to Open Source: We are committed to supporting open source software and use high quality open source tools internally when possible.
Requirements
Our ideal candidate description is a wish list, not a checklist. We don’t expect every applicant to tick every box. If you have a strong alignment with many of the qualifications and a passion for learning, we’d love to hear from you.
- Experience:
- 2+ year of Software Development
- 2+ years of Infrastructure experience
- 2+ years of Linux and Ansible experience
- 2+ years of Kubernetes experience
- Must play well with others, success is a team sport and at ZetaChain everyone participates!
- Previous Startup Experience is important. We move much faster than your typical enterprise environment.
- Security Mindset: constantly anticipating and strategizing against potential threats and vulnerabilities in any system or process.
- Languages: Go, Ansible, Python, Terraform, Bash
- Tech stack: Grafana, Linux, Docker, Kubernetes, Cosmos SDK
- Platforms: AWS, GCP, Bare Metal
- Location:
- Remote (USA, Argentina, or EU)
- Job Responsibilities:
- Write code to streamline operations
- Build monitoring and dashboards to report on server, infrastructure, and web app health
- Deploy and maintain blockchain nodes for ZetaChain, Ethereum, Bitcoin, etc
- Manage infrastructure for web applications
- Ensure all processes meet our security, performance, and reliability requirements
- Participate in on-call rotation every month
- Bonus points:
- Familiar with DevOps, DevSecOps, GitOps methodologies & best practices
- Understanding of blockchain (Bitcoin, Ethereum, Cosmos); smart contracts (solidity), p2p networking
- Experience with Go (Cosmos SDK, go-ethereum, btcsuite, Tendermint Core)
Who Would Be a Good Fit for This Role?
A candidate who is a coder at heart with a erse set of experiences. They should enjoy streamlining operations and building new services that include comprehensive monitoring.
- A seasoned developer with a solid foundation in software engineering and infrastructure
- A proactive problem-solver with a track record of ensuring system reliability and scalability, now ready to tackle the unique challenges of blockchain infrastructure.
- A creative thinker who is not only skilled in programming but also in building testing and observability tools to streamline development processes.
- Someone with substantial experience in building and maintaining robust, scalable backend systems.
Overview
- Our tech stack
- Infrastructure: Docker, Kubernetes, AWS
- Protocol: Go (Cosmos SDK, go-ethereum, btcsuite, Tendermint Core)
- Smart contracts: Solidity, Rust, Hardhat
- Frontend: Typescript, Next.js, Redux toolkit, Ethers.js, tRPC, GraphQL
- Others: Yarn3 monorepo, Vercel, GitHub actions
- Location
- Remote
- What you’ll do
- Get paid to write open-source software (probably what you always wanted)
- Work with Typescript and Solidity
- Work on new products that bring our omnichain technology to end-users
- Work on data-heavy, high-traffic (millions of unique users during the last month) backends
Your skills and experience
- Base experience
- +3 years working as a software engineer
- Full-stack engineering experience with focus on the backend and smart contracts
- Experience working on blockchain products
- Bonuses
- A balanced experience between working at startups and big tech companies
- Experience building products from scratch
Job Description
Job Title: Software Engineer (Developer Experience)
Location: Remote, or offices in NY/SF
Company: ZetaChain
About ZetaChain
ZetaChain aims to be the only blockchain you’ll ever need. It is a layer 1 blockchain and developer platform that connects any L1 and L2, from Ethereum to Bitcoin and beyond. Access all of crypto in one place, as a developer or user.
ZetaChain prides itself on its vibrant and active community, a testament to our growing impact and relevance in the blockchain space:
- Thriving Ecosystem: Over 150+ dApps developed, showcasing erse innovation and utilization.
- Engagement: With over 1M+ followers on Twitter and an equally active Discord community of 1.2M+ members, ZetaChain fosters a dynamic environment for engagement and collaboration.
- Activity: Our mainnet has seen over 8K+ smart contracts deployed and processed over 137M+ transactions among 3.5M unique wallet addresses
Find out more about our ecosystem.
Find out more about our hiring culture: Dream Team Culture.
About the Role
ZetaChain is seeking a software engineer with experience in TypeScript and smart contract development to join our team. You will be instrumental in developing open-source tools and libraries that enhance the developer experience on the ZetaChain platform, and you’ll be working directly with exciting components of our tech stack.
Overview
- Our tech stack
- Protocol: Go (Cosmos SDK, Comet BFT, Ethermint)
- Infrastructure: Docker, Kubernetes, AWS, GitHub, Vercel
- Smart contracts: Solidity (EVM), Rust (Solana), FunC (TON)
- Frontend: TypeScript, Next.js, Ethers.js, GraphQL, protobuf
- What you’ll do
- Add new features to the Toolkit, our library of TypeScript functions that interact with ZetaChain
- Improve Localnet, ZetaChain’s local development environment, to ensure seamless developer experiences
- Maintain and expand UniversalKit, our component library
- Extend and enhance example contracts with new features and support for additional connected chains
- Participate in dev rel initiatives to foster community growth and engagement with the ZetaChain ecosystem
- Get paid to write open-source software and public docs (probably what you always wanted)
- Work on providing the best developer experience for people building on top of ZetaChain
- Work on products that bring our core interoperability blockchain technology to end-users
Your skills and experience
- Base experience
- 4+ years of experience in software engineering, with a strong background in TypeScript
- Experience in at least one smart contract language. Solidity is important, but we also work with Rust, FunC, and other languages in the future.
- Proficiency with TypeScript development tools and libraries, including Next.js, Ethers.js, and GraphQL
- Experience with smart contract development tooling, like Hardhat
- Bonuses
- A balanced experience between working at startups and big tech companies
- Experience with EVM or Cosmos blockchains
- A track record of contributing to or managing open-source projects
Modern Treasury is hiring a remote Applied AI Engineer (Tech Lead). This is a full-time position that can be done remotely anywhere in the United States.
Modern Treasury - Payment operations solutions that automate the full cycle of money movement.
Founding Engineer
Location: Remote from anywhere
Salary range: 60k - 100k EUR, **0.25% to 1% Equity
**About CardNexus
CardNexus, founded in 2024, is building the ultimate platform for the Trading Card Game (TCG) community. Designed for players, collectors, investors, and game stores we simplify inventory management, provide real-time market insights, and streamline trading through smart matching technology. Our all-in-one solution bridges the gaps between fragmented tools and outdated systems, enabling users to value, trade, and grow their collections efficiently. Backed by a passionate team with expertise in tech, product design, and TCGs, CardNexus is shaping the future of the TCG market. Join us as we revolutionize the way TCG enthusiasts connect and thrive!
Role Overview
As a Founding Engineer at CardNexus, you'll play a pivotal role in designing and implementing the architecture for our all-in-one TCG platform. As the first tech hire, you'll have the autonomy to shape our systems and infrastructure, ensuring scalability, performance, and reliability for a high-traffic marketplace. We're fostering a culture of gamers, so if you love TCGs or are a fan of gaming, you'll feel right at home.
As a remote-first company, CardNexus offers you the chance to collaborate with a erse, global team across multiple time zones and cultures. You'll report to a supportive and experienced team while making a direct, visible impact on our growing TCG community. Whether you're located in the Americas, Europe, the Middle East, Africa, or Asia-Pacific, this role provides the flexibility to drive meaningful change from wherever you call home.
**
What You’ll Do**Over the next 24 months, you’ll:
- Architect a Scalable Backend: Design robust, high-performance systems for our marketplace, supporting complex user interactions.
- Develop Core Features: Lead the implementation of features like real-time card scanning, inventory management, and trade matching.
- Optimize Infrastructure: Build systems for logging, monitoring, and scaling in a high-traffic environment.
- Secure the Platform: Implement KYC and security measures to protect user data and enable safe transactions.
- Integrate CI/CD Pipelines: Streamline deployment and testing processes to support a rapid development cycle.
- Contribute Broadly: Be a hands-on contributor across the backend stack, leveraging your expertise in databases, cloud, and infrastructure to deliver high-quality results.
**
What You Bring**- Deep Technical Expertise: Proven experience in architecting and delivering complex backend systems, with proficiency in Node.js, TypeScript, and database management (relational and NoSQL).
- Broad Knowledge: Comfort across areas like cloud infrastructure (e.g., AWS, GCP), logging and monitoring, CI/CD pipelines, and performance optimization.
- Autonomy and Ownership: Ability to take ownership of projects and deliver end-to-end solutions with minimal oversight.
- Problem-Solving Mindset: A talent for breaking down complex challenges into scalable, maintainable solutions.
- Communication: Fluent written and spoken english
- Collaboration Skills: A team-oriented mindset with excellent communication skills to collaborate effectively with cross-functional teams.
**
Bonus Points:**- Expertise with MongoDB
- Knowledge and experience with React, Next.js
- A passion for Trading Card Games (TCGs) or gaming culture
**
What We Offer**- Fully Remote Work: Enjoy the freedom to work from anywhere with flexible hours that fit your lifestyle.
- Competitive Compensation: We offer a competitive salary that reflects your skills, expertise, and contributions.
- Ownership Opportunities: Access early equity as a core team member, shaping the future of CardNexus.
- Professional Growth: Collaborate with a passionate team of TCG enthusiasts and tech experts to tackle cutting-edge challenges.
- Innovative Culture: Join a gamer-centric environment that celebrates creativity, gaming, and technology.
- Impactful Work: Play a key role in transforming the $15B TCG market with tools that truly make a difference for the community.
To apply, send an email to [email protected]. In your email, share your connection to the TCG and gaming world—tell us about the games you love, the ones you play, and why you’re passionate about the community. We can’t wait to hear your story!
"
* Sepal AI specializes in PhD-level experts for AI model development. We provide robust, frontier data through a comprehensive process in sourcing, vetting, matching, trials, and peer quality control. We are currently working with the world's leading foundational AI model companies across domains in advanced sciences, professional services, and safety & preparedness.
* We are seeking a Full-Stack Engineer to join our team as a founding engineer. The ideal candidate would be an engineer with 5+ years of experience, who has built products zero to one across the stack. We’re looking for someone who is comfortable working on both frontend and backend, and who wants to grow into a senior leadership role within the team. You’d interface directly with the co-founders and would be treated as an equal.* For our founding team, communication styles and cultural fit is the most important element of working together. We’re excited to get to know you, and aim to play long term games with long term partners.",
Time zones: EST (UTC -5), CST (UTC -6), MST (UTC -7), PST (UTC -8), ART (UTC -3), UTC -4, UTC -4:30, UTC -3, UTC -2, SBT (UTC +11), GMT (UTC +0), CET (UTC +1), EET (UTC +2), MSK (UTC +3), AST (UTC -4), FKST (UTC -3), NST (UTC -3:30), JST (UTC +9), CST (UTC +8), WIB (UTC +7), MMT (UTC +6:30), BST (UTC +6), NPT (UTC +5:45), IST (UTC +5:30), UZT (UTC +5), IRDT (UTC +4:30), GST (UTC +4), LINT (UTC +14), TOT (UTC +13), CHAST (UTC +12:45), LHST (UTC +10:30), AEST (UTC +10), ACST (UTC +9:30), ACWST (UTC +8:45), MART (UTC -9:30), NUT (UTC -11)
Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe.
What we offer:
- Earn $5k—$8.8k monthly: the rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers.
- No more hunting for clients or negotiating rates — let us handle the business side of things so you can focus on what you do best.
- We'll manually find the best project for you according to your skills and preferences.
- Choose a schedule that works best for you. It’s possible to communicate async or minimally overlap within team working hours.
- We respect your seniority so you can expect no micromanagement or screen trackers.
- Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah?
- We will support you from the time you submit the application throughout all cooperation stages. Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.
- Through our community, we will connect you with the best developers from more than 50 countries.
Requirements:
- 4+ years of software development experience.
- 4+ years of commercial experience with React.js.
- 4+ years of commercial experience with Node.js.
- Hands-on experience with AWS, Next.js, TypeScript is a must.
- Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture.
- Clear and effective communication in English — advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
- Strong self-organizational skills — ability to work full-time remotely with no supervision.
- Reliability — we want to trust you and expect that you won’t let us and the client down.
- Adaptability and Flexibility — the ability to onboard the project promptly after accepting it and start delivering results quickly.
Sounds good for you? Apply now and join the Lemon.io community!
**NOT YOUR TECH STACK?
**We have different projects for Senior Developers, so if you have 4+ years of commercial experience in software development and you are fluent with React & Python, AI Engineering, Android & iOS, Blockchain, we would be happy to communicate and provide you with a project that matches your experience. Just apply, and we will share more details with you.
**
If your experience matches our requirements, be ready for the next steps:**- VideoAsk — watch a short video about our startup, up to 10 minutes
- Complete your profile on our website
- 30-minute screening call
- Technical interview
- Feedback
- Magic Box (we are looking for the best project for you).
P.S. We work with developers from 50+ countries in different regions: Europe, LATAM, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), Canada, and the UK. However, we have some exceptions.
At the moment, we don’t have a legal basis to accept applicants from the following countries:
- European: Iceland, Liechtenstein, Kosovo, Belarus, Russia, and Serbia.
- Latin America: Cuba and Nicaragua
- Most Asian countries and Africa.
We expand and shorten the list of exemptions regularly.
Do you represent a company with engineers who match the description and want to collaborate with us through staff augmentation? Then register here.
GitLab is hiring a remote Senior Support Engineer (EMEA). This is a full-time position that can be done remotely anywhere in EMEA.
GitLab - A single application for the entire DevOps lifecycle.
Plaid is hiring a remote Technical Support Engineer. This is a full-time position that can be done remotely anywhere in ET or CT time zones.
Plaid - Develop the future of financial services.
Aptos is looking to hire a Developer Relations, Vietnam to join their team. This is a full-time position that can be done remotely anywhere in Vietnam.
About
We’re building Omni: a platform allowing developers to deploy applications across all rollups without fragmenting liquidity. We’re looking for early team members to help us bring this ambitious vision to life.
We’re a team who already built a platform that processed over $70M leading to our $18M fundraise from top investors including Pantera, Two Sigma Ventures, Coinbase Ventures alongside angel investors including Stani Kulechov (founder of Aave), Sandeep Nailwal (cofounder of Polygon) and more. In addition to this we have over $4B deposited to secure Omni on mainnet.
We are growing rapidly and we need ambitious and experienced team members to join us to help scale Ethereum’s future.
About the role
We are seeking a Senior Platform Engineer proficient in Golang to develop and enhance testing environments and infrastructure for the Omni protocol.
Responsibilities
- Develop our load testing framework to evaluate the performance and scalability of our protocols.
- Ensure seamless protocol upgrades and manage rollback procedures when necessary.
- Implement automation tools for deployment, monitoring, and scaling within the cloud environment.
- Collaborate with protocol engineers to troubleshoot and perform root cause analysis.
- Participate in on-call rotations to ensure systems uptime and incident resolution.
Requirements
- 3-5+ years of experience in Go programming or similar language.
- 1+ years of experience in a blockchain protocol.
- Proficient with cloud services such as GCP, AWS or Azure.
- Experience with automation and scripting using tools like Terraform, Kubernetes and Ansible.
- Strong background in monitoring tools like Prometheus, Grafana, or similar.
- Ability to handle on-call responsibilities reliably and effectively.
- Bachelor’s or higher degree in Computer Science, Engineering, or related field.
- Location: Must be in the New York (EST) or Europe (CET) time zones.
- Overlap hours: Available daily from 9 AM to 12 PM EST for team collaboration.
Competencies
- Autonomous — specifically seeks to take greater ownership and responsibility and thrives in their personal growth by doing so
- Action oriented — we are looking for people who take action by default, consistently driving forward progress without asking for permission
- An engineer in both thought and implementation — they must be able to design architecture and see it through to implementation
- Adaptable — thrives in ambiguity, able to quickly iterate and push forward as the business dynamically expands
- Highly intelligent — learns quickly and can participate in abstract intellectually engaging conversations
- Effective communicator — clearly articulates ideas and engages in debates in a productive manner that leads us to making better decisions
Nice to Haves
- Experience building a system with a distributed consensus mechanism
- Solid understanding of the Ethereum Virtual Machine
Benefits
Our benefits include competitive compensation, token packages for all employees, regular team off-sites around the world and unlimited PTO. In addition, you’ll join a team of high-caliber people innovating at the frontier of crypto that work collaboratively to help one another accelerate their personal growth.
Values
We are a mission driven company. We believe deeply that through software engineering we can build a self-sovereign society. In our day to day, we make decisions based upon our company values and operating principles:
Company values
- Customer centricity
- Long-term orientation
- Courage
Operating principles
- High-trust & autonomy
- Kindness & respect
- Collaboration
- Humility & low-ego
- Transparency
- Data driven
- Precise communication
- Results oriented
- “Kerplunk”: clean handoffs and acknowledgement of ownership between team members
The future belongs to all of us, independent of our origins. Omni is an equal opportunity employer and does not discriminate on the basis of race, religion, color, sexual orientation, gender or any other status protected under federal, state or local law.
Position Overview:
We are seeking a Senior Backend Engineer to join our engineering team. As a Senior Backend Engineer, you will play a critical role in developing and scaling our core backend infrastructure, ensuring that we provide secure, reliable, and high-performing services to our users. You will work closely with other engineers, product managers, and stakeholders to design and implement backend solutions that power our financial services platform.
Job duties and Responsibilities:
• Backend Development: Design, develop, and maintain high-quality backend systems, APIs, and services that are scalable, efficient, and secure.
• Performance Optimization: Ensure that our backend services meet performance, scalability, and reliability standards. Optimize and improve existing systems to handle increasing traffic and business demands.
• Security: Implement robust security measures to safeguard sensitive financial data and ensure compliance with relevant regulations (e.g., PCI-DSS, GDPR).
• Collaboration: Work closely with frontend developers, product managers, and other stakeholders to deliver full-stack features that drive the business forward.
• Code Quality: Write clean, maintainable, and well-tested code. Conduct code reviews and ensure best practices in software development.
• Mentorship: Mentor junior developers and contribute to their growth by sharing your expertise in backend development, architecture, and best practices.
• Troubleshooting: Identify and resolve issues related to system performance, security, and reliability, and ensure timely resolution.
• Continuous Improvement: Stay up to date with the latest trends in backend development, fintech, and cloud technologies. Contribute to the evolution of our tech stack and development practices.
Required Skills and Experience:
• Experience: Minimum of 5+ years of experience in backend development, with a strong focus on building scalable and secure web applications or APIs.
• Languages: Proficiency in server-side programming languages such as Node.js.
• Databases: Expertise in working with relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB), Redis and SQL databases.
• Cloud Infrastructure: Hands-on experience with cloud platforms such as AWS, Azure, or Google Cloud, as well as containerization technologies like Docker and orchestration tools like Kubernetes.
• Microservices: Strong experience in designing and building microservices-based architectures.
• APIs: Expertise in RESTful API design and integration, and experience working with third-party APIs.
• Version Control: Proficiency with version control systems such as Git.
• Security: Experience with implementing security best practices in web applications, including data encryption, authentication, and authorization (OAuth, JWT, etc.).
• CI/CD: Knowledge of Continuous Integration/Continuous Deployment (CI/CD) pipelines and DevOps practices.
• Agile: Experience working in agile environments and using tools such as Jira, Confluence, or Trello.
Preferred:
• Fintech Experience: Previous experience in the fintech or payments industry, with a strong understanding of financial regulations and security practices.
• DevOps: Experience with infrastructure-as-code tools like Terraform or CloudFormation, as well as monitoring and logging tools like Prometheus, Grafana, or ELK stack.
• Blockchain: Familiarity with blockchain technology and its integration into financial applications.
• Languages: Proficiency in additional programming languages such as Python, Java, or Rust.
• AI Technology Development: Experience in developing AI-based applications, including implementing machine learning models, natural language processing (NLP), and working with frameworks like TensorFlow, PyTorch, or Hugging Face.
Personal Traits:
• Strong problem-solving and analytical skills.
• Excellent communication skills, both verbal and written, with the ability to collaborate effectively across teams.
• Proactive, self-motivated, and able to work independently in a fast-paced startup environment.
• Passion for technology, innovation, and learning.
• Strong sense of compliance, ensuring adherence to policies, standards, and regulations.
• Positive, professional attitude, fostering a constructive and collaborative work environment.
Notes:
By clicking Apply, you will be automatically redirected to a 1-hour exam. Please ensure that you are ready to begin, as the exam will start immediately upon redirection.
Join us and get ready to Soar!
About the role
We are looking for a Security Engineer to join Interop Lab’s engineering team. This inidual will play a critical role in ensuring the robustness, reliability, and security of the ecosystem. If you are passionate about blockchain security, thrive on solving complex problems, and enjoy collaborating cross-functionally, this role is for you.
Your responsibilities
- Conduct in-depth security assessments of the codebase, smart contracts, and integrations.
- Identify potential vulnerabilities and propose solutions to mitigate risks.
- Work closely with Engineering, Product, and DevOps teams to ensure security is embedded throughout the development lifecycle.
- Develop and improve scripts, tools, and practices for secure key management and cryptographic operations.
- Support the team in investigating and responding to security incidents, including post-incident analysis and developing preventive measures.
- Keep up with the latest developments in blockchain security, cryptographic techniques, and industry best practices to continuously improve our security posture.
Your profile
- 5+ years of experience in a security engineering role in web3.
- Proven experience in securing blockchain protocols, smart contracts, or cryptographic systems.
- Strong programming skills, particularly in languages such as Rust, Solidity, or Go.
- Deep understanding of cryptographic principles and blockchain architectures.
- Ability to analyze complex systems and identify potential vulnerabilities.
- Hands-on experience with penetration testing, code audits, or security research in Web3 ecosystems.
- Excellent communication skills to work effectively across teams.
- Experience working in cross-functional fully remote environments.
Why us?
- Autonomous, distributed environment with the opportunity to work collaboratively in a erse team across the world.
- The scope to contribute to high impact work and really make a difference in a decentralized protocol.
- The chance to challenge yourself whilst learning heaps of stuff in the process.
- Unlimited time off throughout the year to rest and recharge.
- Competitive compensation with stock options, experiencing growth from the initial phase.
Teleport is hiring a remote Senior Full Stack Engineer. This is a full-time position that can be done remotely anywhere in the United States, Canada, Australia, England, Ireland or Poland.
Teleport - The open infrastructure access platform.
Starbridge.AI is a Series A stage startup building software to help small businesses win government contracts. Our 15 person, remote-first team is looking for an AI engineering lead. Compensation for the role is $110k-$180k in addition to significant startup equity.
Your responsibilities:
- Collaborate closely with our team as we productize new AI-powered capabilities: such as AI proposal writing & search experiences.
- Own the design, implementation, and maintenance of robust and scalable production retrieval and agentic systems.
- Implement strong testing and CI/CD practices that help us move with confidence in our AI system development
🌟 **Does this sound like you?
**Technical Expertise: Advanced coding skills in Python with 4+ years of hands-on software engineering experience, particularly in AI/ML development.
Core Competencies:
- Expertise in production-grade software and systems design (Python).
- Deep understanding of machine learning algorithms and model development methods.
- Proficiency with ML lifecycle management tools (e.g., MLflow, DVC, Weights & Biases).
- Experience deploying machine learning systems in cloud environments.
- Professional background in working with large language models (LLMs) and scaling them effectively.
- Proven ability to build scalable, distributed machine learning products with strong software engineering principles.
- Analytical and problem-solving prowess.
- Effective communicator capable of conveying complex ideas clearly.What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
Are you the one?
We are looking for a passionate and skilled engineer to join our highly dynamic team.
You will be developing blockchain-based solutions that span across a wide spectrum of the web3 ecosystem, from protocol level engineering and smart contracts development to dapps and Enterprise/Financial applications that integrate with or are built on blockchain infrastructure.
This is a remote-first role. You will be working with a globally distributed team of talented engineers and researchers, as well as many leading industry partners.
You should be proficient in at least one or more general programming languages (refer to the skills section for details), as well as Smart Contract development, primarily Solidity. A deep understanding of the Ethereum blockchain, strong general engineering skills, and a firm grasp of computer science fundamentals are required. The ideal candidate would be a robust problem-solver with excellent attention to detail and effective communication skills. Familiarity with non-EVM blockchains, zk proofs, the DeFi landscape, and traditional finance would be advantageous.
Responsibilities include, but not limited to:
- Work on full-stack engineering solutions that integrate with or built on top of blockchains.
- Design and build applications on various blockchains
- Develop, test, and deploy secure smart contracts
- Debug and optimize smart contracts
- Extract and process data from the blockchain
- Develop scripts & tools to automate or improve blockchain interactions
- Collaborate with other engineers and teams, both internally and externally
- Stay updated with new developments and technology in the blockchain space
Technical Skills:
- Excellent programming skills in one or more of the following programming languages: C#, Go, TS/JS, Solidity, Rust, Python, Java, Kotlin, but will also consider other tech stacks.
- Proficient in a smart contract programming language (eg. Solidity, Cairo, MOVE) with extensive experience in developing complex smart contracts. Familiar with toolings such as Foundry, Hardhat or Remix.
- Ability to implement efficient algorithms and design complex data structures
- Understanding of good software architecture and engineering process
- Ability to write clean, testable, and maintainable code without over-engineering
- Deep understanding of Ethereum blockchain architecture
- Understanding of the DeFi landscape, such as lending protocols, AMMs, Perps and stablecoins
- Experience in developing off-chain applications that integrate with web3 protocols, using libraries such as Web3.js and ethers.js.
- Strong computer science background
Other Competencies:
- You need to be a self-starter, with the curiosity and drive to continuously improve.
- Excellent problem-solving and analytical skills, with attention to detail
- Strong written and verbal communication and collaboration skills
- Proficiency in English
Nice to have:
- Knowledge in Traditional Finance, and the intersection between traditional finance and blockchain, such as Tokenization.
- Experience with layer-2 solutions like Starknet, Optimism, zkSync, and Arbitrum
- Familiarity with blockchain data analytics tools like Dune and Nansen
- Knowledge of cryptographic primitives like hashing and signature schemes
- Familiarity with zk proof systems (ZK-STARK, ZK-SNARKs)
- Familiarity with formal verification methods for smart contracts
- Experience in front-end development with frameworks like React or Angular
- Familiarity with smart contracts auditing tooling/techniques (e.g Fuzzing, Symbolic execution, Static and Dynamic Analysis)
- Infrastructure / DevOps experience (eg. setup private networks)
- Ethereum core development experience
Perks and Benefits
- Professional Growth: Continuous learning opportunities and the chance to work with industry leaders.
- Fully Remote: Work from anywhere in the world.
- Flexible Working Hours: Manage your own schedule to balance work and life effectively.
- Competitive Compensation: Attractive salary plus equity options.
Keep up to date on what we are working on by following us on our social channels:
- Discord
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
About the role:
We’re seeking auditors with smart contract auditing experience to join our team. You’ll work on projects written in Solidity. Knowledge of GoLang is a plus. We are seeking someone who understands the Solidity smart contract ecosystem. You’ll get the opportunity to work at the bleeding edge of Blockchain technology and interact with different teams working in every aspect of Web3 security.
Responsibilities:
- Work directly with protocols in the Solana, Ethereum, StarkNet, and Polkadot ecosystems to review their code and help secure their protocols.
- Collaborate with teammates to maintain and continually improve our existing blockchain security tools using modern software engineering practices.
- Develop new blockchain security tools.
- Engage in meetings with clients to discuss security and best practice improvements.
Must Haves:
- 1+ year(s) of experience in Solidity security analysis (must have).
- Solid understanding of the Ethereum Virtual Machine.
- Fluency in Solidity smart contract security.
- Detailed understanding of common smart contract vulnerabilities.
- Fluency with common tools and frameworks used for the development and security analysis of smart contracts.
- Strong debugging skills and/or experience in reverse engineering.
- Portfolio of audit report.
Nice to Haves:
- Good written and verbal communication skills.
- Understanding of most common DeFi applications.
- Publicly visible audit reports in your portfolio.
- GoLang experience is a plus.
Keep up to date on what we are working on by following us on our social channels:
- Discord
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
Are you the one?
An ideal candidate is a researcher who actively participates in debates about L1 and L2 designs, systemic risks, and consensus algorithms by writing academic papers, blog-posts, or fora entries.
Candidates should be able to work in a distributed research team, express their research ideas clearly, and know how to argue their findings formally. We appreciate candidates who are not afraid of voicing their opinions and motivate them or ask for explanations of concepts they are not familiar with.
Responsibilities:
As a protocol researcher, you will participate in research on, for example:
- L2 designs
- Prover coordination and sequencer design, decentralization, incentivization.
- Levels of finality.
- L2 governance, PoS vs PoG.
- Auctioning the right to build a block.
- Various flavors of staking: vanilla staking, restaking, liquid staking, and systemic risks they come with.
- Consensus algorithms
- What are the advantages and disadvantages of the known consensus protocols? When a given protocol work well, and when does it not?
- How do we incentivize participants in the consensus algorithms?
- How finality in consensus algorithms is achieved?
Must haves:
- A strong understanding of distributed protocol design. Particularly, a demonstrable ability to identify the trade-offs faced by protocols when deployed on blockchains.
- Ability to identify mechanism design problems and propose solutions.
- Familiarity with Ethereum: how it works and why?
- Familiarity with various designs of L2s.
- Ability to express thoughts precisely.
Nice to haves:
- Knowledge about cryptography, or
- Knowledge about game theory.
- Published work in relevant fields, blog posts and forum posts also count.
This is a fully remote role, with flexibility to work on a erse range of projects, and opportunities to attend leading global conferences in the field. Some of Nethermind Research’s past work includes:
- Fiat-Shamir Security of FRI and Related SNARKs
- Systematization of Knowledge for Decentralized Identities and Verifiable Credentials
- Attributable Consensus Solution for DV clusters
- Threshold Signature Schemes
- A DEX design with user privacy
Perks and benefits:
Fully remote
Flexible working hours
Plus equity
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What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
About Us
Join a team of brilliant minds and hardcore engineers dedicated to solving some of the most challenging problems in software engineering today. We offer a unique opportunity to work on algorithmically intensive, design-heavy projects that are novel and groundbreaking. If you’re an excellent problem solver motivated by tackling complex challenges, and you thrive on innovation and collaboration, we’d love to have you on board.
How to Know If You’re the Right Fit
If you’re driven by complex challenges and excited by the prospect of working with cutting-edge technologies, this role is for you. We’re looking for iniduals who are not just engineers but innovators—those who are eager to collaborate with the best minds in the industry and make a significant impact on the future of technology.
Why This Role Is Exciting
- Work with the Best: Collaborate with some of the brightest engineers and researchers in the industry.
- Innovative Challenges: Tackle projects that require deep algorithmic thinking and advanced design.
- Impactful Work: Contribute directly to the development of technologies that push the boundaries of what’s possible.
- Collaborative Environment: Partner with leading developers and researchers shaping the future of decentralized technologies.
Responsibilities
Algorithm and System Design:
- Develop and implement efficient algorithms and complex data structures.
- Design scalable, high-performance systems and components.
- Innovate solutions for new and novel technical challenges.
Software Development:
- Build and enhance high-throughput, low-latency systems.
- Implement advanced networking layers and protocols.
- Optimize software for performance, scalability, and reliability.
Collaboration and Leadership:
- Work closely with industry-leading developers and researchers.
- Participate in code reviews, architecture discussions, and collaborative problem-solving sessions.
- Mentor and guide junior engineers within the team.
Research and Innovation:
- Stay abreast of emerging technologies and industry trends.
- Contribute to research initiatives and publish findings where applicable.
- Experiment with new tools and technologies to push the boundaries of what’s possible.
Skills and Qualifications
Technical Expertise:
- Exceptional problem-solving skills with a passion for tackling complex, algorithmic challenges.
- Strong experience in software development.
- Familiarity with Rust, GO or C# is a plus but not mandatory.
- Deep understanding of software architecture, design patterns, and system design principles.
- Experience with distributed systems, networking, or low-level programming is advantageous.
Personal Attributes:
- Entrepreneurial mindset with a drive to innovate and take ownership of projects.
- Ability to work independently in a fast-paced, dynamic environment.
- Excellent communication and teamwork skills.
Experience:
- Several years of professional experience in software engineering.
- Proven track record of solving complex technical problems and delivering high-quality solutions.
Opportunities
Collaborate with Leading Organizations:
- Work alongside the best developers and organizations in the industry (Ethereum Foundation, Starknet, Gnosis, and many others).
Innovate in a Non-Boring Environment:
- Dive into projects that are new and novel—not your typical enterprise tasks.
- Be at the forefront of technological innovation in the industry.
Examples of Projects You Might Work On
- Designing and implementing new consensus algorithms.
- Optimizing virtual machines or compilers for better performance.
- Implementing advanced P2P networking protocols for high-performance distributed systems.
- Developing efficient data structures for state representation in distributed systems.
- Contributing to open-source projects and publishing innovative research.
- Developing SDKs for the best DevEx in the industry.
Perks and Benefits
- Professional Growth: Continuous learning opportunities and the chance to work with industry leaders.
- Fully Remote: Work from anywhere in the world.
- Flexible Working Hours: Manage your own schedule to balance work and life effectively.
- Competitive Compensation: Attractive salary plus equity options.
Keep up to date on what we are working on by following us on our social channels:
- Discord
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
The Role:
We are seeking an Infrastructure Engineer with strong expertise in identity management and system integrations. This role focuses on maintaining our authentication infrastructure, managing integrations, and providing technical support to ensure smooth operations across our engineering organisation.
Primary Responsibilities
- Implement and maintain Okta-based identity management solutions
- Configure and manage integrations between various cloud services and internal applications
- Handle access control and RBAC implementation across our technology stack
- Provide DevOps support and troubleshoot integration issues
- Maintain CI/CD infrastructure and deployment pipelines
- Create clear documentation for processes and integrations
Technical Requirements
Strong understanding of:
- SAML, OAuth, and SSO implementations
- RBAC and access management
- Okta administration and integration patterns
- Cloud IAM (AWS IAM, GCP IAM)
Experience with:
- Infrastructure as Code (Terraform, Ansible)
- CI/CD tools (GitHub Actions)
- Cloud platforms (GCP and/or AWS)
- Basic scripting in Python or Go
- 2-5+ years of infrastructure/DevOps experience
Key Skills
- Strong troubleshooting and problem-solving abilities
- Experience in managing DevOps related requests efficiently
- Clear technical documentation skills
- Effective communication with technical and non-technical stakeholders
- Ability to manage multiple integration projects
Nice to Have
- Blockchain technology exposure
- JFrog Artifactory experience
- Experience with multi-factor authentication implementation
- Knowledge of security best practices
Day-to-Day Activities
- Managing Okta configurations and integrations
- Handling access control and user provisioning
- Supporting teams with authentication and authorization needs
- Implementing and maintaining security standards
- Responding to and resolving DevOps support requests
- Automating routine tasks and workflows
Keep up to date on what we are working on by following us on our social channels:
- Discord
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
Are you the one?
Agents will eat the world—perhaps literally, but more likely figuratively. Until then, we would like to build the best-in-class systems to augment functions across our company with an eye to spinning out these learnings into a public platform in the future. Do you have the skill to massage silicon intelligence into fruitful work? Are you interested in embracing your creativity and AI’s capabilities to create unexpected and powerful interactions? Join us in shaping the future of AI-powered automation.
Nethermind is a Blockchain Research and Software Engineering company. We empower enterprises and developers worldwide to access and build on the decentralized web. Our work touches every part of the blockchain ecosystem - from fundamental cryptography research to application-layer protocol development.
We seek experienced and passionate software engineers with experience in AI/ML to join our growing AI assistant team. Successful candidates will support an end-to-end pipeline of creating agents - including research, design, development, and testing AI tools/agents to automate many functions of our delivery. The successful candidates will embody the entrepreneurial spirit, possess self-drive, and demonstrate a genuine interest in Artificial Intelligence. If you are passionate about shaping the future of technology and thrive in a fast-paced, collaborative environment, we invite you to explore this exciting opportunity with us.
Responsibilities:
- Perform R&D in the area of incorporating LLMs across critical company-wide operations
- Quickly prototype, architect and implement sophisticated LLM-based solutions from concept to production
- Work and experiment with the latest tools and technologies in AI
- Work with top software engineers and research professionals to solve the toughest technical challenges
- Stay updated with new developments and research in the AI/ML space (LLM in particular)
Skills:
- Excellent programming skills, with knowledge of Python preferred
- Deep expertise in software architecture patterns and best practices
- Experience with the development of LLM-based solutions (including but not limited to prompt-engineering, frameworks like LangChain or LlamaIndex)
- Research, learning and ideating-oriented mindset
- Ability to write clean, testable, and maintainable code without over-engineering
- Familiarity with tools such as ChatGPT, Claude, Perplexity and similar tools
- An entrepreneurial nature, willing to take ownership and run toward problems
- Proven track record of production grade software delivery
- Analytical and detail-oriented mindset for designing, validating and comparing experiment results
- A Deep passion for navigating the dynamic and fast-paced world of AI innovation, coupled with a drive to share these advances with others
Nice to have:
- Experience in designing RAG solutions, usage of vector databases, and incorporating novel techniques like GraphRAG
- Some experience with LLM fine-tuning, including model quantization and model self-hosting
- Knowledge of LLM-related security concerns like prompt injection, data poisoning, etc.
- A fascination with the inner workings of AI systems, from neural nets to recommendation algorithms.
- Having activity on GitHub is a significant advantage (please include links to projects or PRs that you have submitted to external projects)
Keep up to date on what we are working on by following us on our social channels:
- Discord
Accountable is looking for an exceptional Backend Engineer to help us build the #1 trustless on-chain finance Platform.
Who are you:
If you are a highly autonomous BUILDER, capable of collaborating well with others, and passionate about web3, we’d love to speak with you. Accountable is not going to build itself: it’s you who will do this (together with us). Be proactive and a true leader in your field. Below other specifications:
- App Development (e.g., Python, Flask, RESTful APIs, PostgreSQL, SQLAlchemy, Redis, Authentication/Authorization)
- Production Experience (e.g., Microsoft Azure, App Service, Virtual Networks, Containers)
- Web3 Experience (Blockchain explorer APIs, RPC node interaction, transaction monitoring)
- The use of Large Language Models (e.g., via Cursor) in your development practices to augment development speed is a plus.
- Experience managing source code, interacting with repos, performing local deploys
- Some Frontend experience is nice to have
- Fluent English speaker
About Accountable:
Accountable is an on-chain finance platform that empowers institutional and retail investors to lend, borrow, and manage assets securely while preserving privacy. We aim to remove trust barriers, reduce fraud, and unlock new opportunities for efficient and safe financial growth.
Why Join Accountable?
- High-Impact Role: Be a core part of a mission-driven company at the forefront of DeFi innovation.
- Build together with the bright minds. Expect a steep learning curve.
- Unmatched career opportunities. This role will start out as an inidual contributor, and can lead to management opportunities over time, if desired.
- Fully Remote Work: Flexibility to work from anywhere, with optional co-working spaces in Amsterdam, Dubai and Romania.
- Competitive Compensation: Enjoy a competitive salary package with regular performance reviews.
- Team Retreats: Join us for all-expense-paid team retreats at exciting destinations worldwide.
How to Apply:
Send the following information to [email protected]:
- Cv including the project you are the most proud of (we double click on it during the interview) (1 page max)
- Motivation (1 page max)
- Github (optional)
- Linkedin (optional)
We look forward to hearing from you.
Accountable is looking for an exceptional Frontend Engineer to help us build the #1 trustless on-chain finance Platform.
Who are you:
If you are a highly autonomous BUILDER, capable of collaborating well with others, and passionate about web3, we’d love to speak with you. Accountable is not going to build itself: it’s you who will do this (together with us). Be proactive and a true leader in your field. Below other specifications:
- In-depth experience with React web (incl. JavaScript, NodeJS, HTML, CSS, Vite)
- Web3 Experience (building dApps, using wallets (e.g., Rainbow Kit) and interacting with blockchains)
- The use of Large Language Models (e.g., via Cursor) in your development practices to augment development speed is a plus.
- Experience implementing user interfaces, ideally including using SVGs
- Familiar with Figma (you will be working closely with our designer)
- Experience managing source code, interacting with repos, performing local deploys
- Previous usage of charting packages like d3js is a nice to have
- Some Backend experience is nice to have
- Fluent English speaker
About Accountable:
Accountable is an on-chain finance platform that empowers institutional and retail investors to lend, borrow, and manage assets securely while preserving privacy. We aim to remove trust barriers, reduce fraud, and unlock new opportunities for efficient and safe financial growth.
Why Join Accountable?
- High-Impact Role: Be a core part of a mission-driven company at the forefront of DeFi innovation.
- Build together with the bright minds. Expect a steep learning curve.
- Unmatched career opportunities. This role will start out as an inidual contributor, and can lead to management opportunities over time, if desired.
- Fully Remote Work: Flexibility to work from anywhere, with optional co-working spaces in Amsterdam, Dubai and Romania.
- Competitive Compensation: Enjoy a competitive salary package with regular performance reviews.
- Team Retreats: Join us for all-expense-paid team retreats at exciting destinations worldwide.
How to Apply:
Send the following information to [email protected]:
- Cv including the project you are the most proud of (we double click on it during the interview) (1 page max)
- Motivation (1 page max)
- Github (optional)
- Linkedin (optional)
We look forward to hearing from you.
Apollo is hiring a remote Senior Analytics Engineer. This is a full-time position that can be done remotely anywhere in the United States.
Apollo - Apollo is the all-in-one sales intelligence platform.
Metabase is hiring a remote Engineering Manager. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
Metabase - The fastest, easiest way to share data and analytics inside your company.
Welcome to Playmate, your trusted partner in creating stunning, functional, and user-friendly websites that drive results. With a passion for innovation and a commitment to excellence, we are here to transform your online presence and help you achieve your digital goals.
**The Role
You Will Be Responsible For
**- Writing well-designed, testable and efficient code.
- Gathering and evaluating user feedback.
- Working as a part of a dynamic team to deliver winning products.
- Providing code documentation and other inputs to technical documents.
- Supporting continuous improvement by investigating alternatives and new technologies and presenting these for architectural review.
- Troubleshooting and debugging to optimise performance.
- Leading the design, creation, and implementation of a suite of software.
- Building a strong blockchain product offering.
Ideal Profile
- You possess a Degree/Diploma in Computer Science, Engineering or related field.
- You have at least 3 year experience, ideally within a Software Architect or Software Engineer role.
- You have working knowledge of Web3, Solidity, Smart contract, Crypto and Ethereum
- You are highly goal driven and work well in fast paced environments
- You possess strong analytical skills and are comfortable dealing with numerical data
- You are a self-starter and demonstrate a high level of resilience
What's on Offer
- Work alongside & learn from best in class talent
- Flexible working options
- Attractive salary & benefits
**The interview process
**- Coding test.
- Meet with CTO
- Final interview.
**Salary
**- First 3 months: 12k - 16k USD
- 3+ months: 16k - 20k USD
Time zones: EST (UTC -5), CST (UTC -6), MST (UTC -7), PST (UTC -8), AKST (UTC -9), HST (UTC -10)
About the role and why it’s unique:
- Work on cutting edge projects focused on gamifying and building unique features into our fantasy and sports betting products
- Design and develop clean, well-structured, and performant features — your work will be used by millions of our customers
- Work closely with other product-minded iniduals to shape and deliver the next wave of transformative fantasy and sports betting products
- Collaborate with client engineers and product stakeholders from start to finish, openly communicating issues, asking clarifying questions, and raising concerns when needed
- Advocate for best practices to create strong foundational development practices for our growing team
- Grow in a high-agency environment where you have equity in technical decision-making and are accountable for those decisions
- Learn from some of the best engineers and leaders in the fantasy and sports betting world while bringing your own unique perspective; we elevate each other to make Underdog the best sports gaming platform now and for the future!
Who you are:
- Product-minded engineer with 2+ years of software engineering experience
- Passionate about software development, with 1+ years of professional Ruby and Ruby on Rails development experience
- Collaborative by nature and passionate about fostering best practices for the betterment of the team
- Excellent communication, analytical, and problem solving skills with both engineers and product
Even better if you have:
- Experience in fantasy sports and/or sports betting
- Worked through a significant growth phase of a company
- Built dashboards in or spent time grokking info from DataDog or Amplitude
- Experience building highly scalable and available systems to handle high traffic conditions with low latency
Modern Treasury is hiring a remote Applied AI Engineer (Tech Lead). This is a full-time position that can be done remotely anywhere in the United States.
Modern Treasury - Payment operations solutions that automate the full cycle of money movement.
Recharge is hiring a remote Associate Technical Support Engineer (Ireland). This is a full-time position that can be done remotely anywhere in Ireland.
Recharge - The leading platform to launch and scale your subscription business.
Title: Senior Software Engineer (Ruby on Rails – SEO)
Location: Remote US, Canada
Type: Full-Time
Workplace: remote
Category: Frontend Applications Engineering
Remote US Canada
Engineering – Frontend Applications Engineering
Full-Time
Remote
Apply for this job
Job Description:
At Scribd (pronounced “scribbed”), our mission is to spark human curiosity. Join our team as we create a world of stories and knowledge, democratize the exchange of ideas and information, and empower collective expertise through our three products: Everand, Scribd, and Slideshare.
We support a culture where our employees can be real and be bold; where we debate and commit as we embrace plot twists; and where every employee is empowered to take action as we prioritize the customer.
Our flexible work benefit – Scribd Flex – enables employees, in partnership with their manager, to choose the daily work-style that best suits their inidual needs. As an organization, we prioritize collaboration and intentional in-person moments to build culture and connection. For this reason, occasional in-person attendance is required for all Scribd employees, regardless of their location.
About the team and role
The SEO team is responsible for driving organic traffic growth through technical excellence and innovation. We work on complex backend systems that require careful consideration of performance, scalability, and maintainability. Our team values collaboration, continuous improvement, and technical excellence.
About the role
We are seeking a talented Senior Software Engineer to join our SEO team. In this role, you will build, scale, and maintain backend systems using Ruby on Rails. As a Senior Engineer, you will have a significant impact on our technical infrastructure, ensuring our systems are robust, performant, and maintainable. You will collaborate with cross-functional teams to deliver high-quality solutions that drive our SEO initiatives forward.
What we are looking for
- A passionate engineer who takes pride in writing clean, maintainable code
- Someone who enjoys tackling complex backend challenges while maintaining high quality standards
- A team player who is enthusiastic about building and improving development processes
- An inidual who values continuous learning and stays current with technology trends
- Someone who can balance technical excellence with practical solutions
Requirements (Must have)
- 5+ years of professional software development experience
- Strong proficiency in Ruby on Rails framework and its ecosystem
- Working knowledge of JavaScript
- Strong understanding of database systems (both SQL and NoSQL) and ability to make informed decisions about database architecture
- Experience writing comprehensive test suites (unit, integration, and end-to-end)
- Strong problem-solving skills and attention to detail
- Excellent communication skills and ability to work effectively in a team environment
Technical Skills
- Primary: Ruby on Rails
- Secondary: JavaScript, ReactJS
- Databases: SQL, NoSQLTesting: RSpec, Minitest, or similar testing frameworks
- Version Control: Git or similar version control workflows
- API Development: RESTful APIs
Nice to have
- Experience with various Rails templating engines (Phlex, Fortitude, etc.)Familiarity with ReactJS, NextJS, and Node
- Familiarity with AWS services, particularly S3
- Experience with CI/CD tools like Jenkins
- Knowledge of workflow management tools like Airflow
At Scribd, your base pay is one part of your total compensation package and is determined within a range. Our pay ranges are based on the local cost of labor benchmarks for each specific role, level, and geographic location. San Francisco is our highest geographic market in the United States. In the state of California, the reasonably expected salary range is between $143,000 [minimum salary in our lowest geographic market within California] to $231,000 [maximum salary in our highest geographic market within California].
In the United States, outside of California, the reasonably expected salary range is between $117,500 [minimum salary in our lowest US geographic market outside of California] to $219,500 [maximum salary in our highest US geographic market outside of California].
In Canada, the reasonably expected salary range is between $147,500 CAD[minimum salary in our lowest geographic market] to $219,000 CAD[maximum salary in our highest geographic market].
We carefully consider a wide range of factors when determining compensation, including but not limited to experience; job-related skill sets; relevant education or training; and other business and organizational needs. The salary range listed is for the level at which this job has been scoped. In the event that you are considered for a different level, a higher or lower pay range would apply. This position is also eligible for a competitive equity ownership, and a comprehensive and generous benefits package.
Benefits, Perks, and Wellbeing at Scribd
*Benefits/perks listed may vary depending on the nature of your employment with Scribd and the geographical location where you work.
. Healthcare Insurance Coverage (Medical/Dental/Vision): 100% paid for employees
. 12 weeks paid parental leave
. Short-term/long-term disability plans
. 401k/RSP matching
. Tuition Reimbursement
. Learning & Development programs
. Quarterly stipend for Wellness, Connectivity & Comfort
. Mental Health support & resources
. Free subscription to Scribd + gift memberships for friends & family
. Referral Bonuses
. Book Benefit
. Sabbaticals
. Company wide events
. Team engagement budgets
. Vacation & Personal Days
. Paid Holidays (+ winter break)
. Flexible Sick Time
. Volunteer Day
. Company-wide Diversity, Equity, & Inclusion programs
Want to learn more about life at Scribd? www.linkedin.com/company/scribd/life
We want our interview process to be accessible to everyone. You can inform us of any reasonable adjustments we can make to better accommodate your needs by emailing accommodations [@] scribd.com about the need for adjustments at any point in the interview process.
Scribd is committed to equal employment opportunity regardless of race, color, religion, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or any other characteristic protected by law. We encourage people of all backgrounds to apply, and believe that a ersity of perspectives and experiences create a foundation for the best ideas. Come join us in building something meaningful.
Remote employees must have their primary residence in: Arizona, California, Colorado, Connecticut, Delaware, DC, Florida, Georgia, Hawaii, Iowa, Massachusetts, Maryland, Michigan, Minnesota, Missouri, Nevada, New Jersey, New York, Ohio, Oregon, Tennessee, Texas, Utah, Vermont, Washington, Ontario (Canada), British Columbia (Canada), or Mexico.
#LI-Remote
Time zones: EST (UTC -5), CST (UTC -6), MST (UTC -7), PST (UTC -8)
Here at ClickMagick we're a small team building big things, and we're looking for another amazing Full Stack Perl Developer to join our team.
Our SaaS application is used by thousands of businesses to track, test and optimize their online marketing. And as part of the core development team you'll help us to build great new features, you'll help refactor old legacy code, and everything else in between.
Everything you do will be super important, you'll directly help improve the lives and businesses of our customers, and you'll have the opportunity to participate in the growth of the business as we take things to the next level.
If you're just looking for a job and a paycheck, this is not for you.
We're looking for someone who, once we both determine we're a great fit, is willing and excited about making a commitment to joining our team and riding the wave with us for at least the next few years.
This is a full-time remote position.
You will be adding new features to our web application which requires Perl on the server side and JavaScript/jQuery in the browser.
You will need:
* Strong Perl skills, both legacy Perl and more modern Perl
* Intermediate or better experience with HTML/JavaScript/CSS/jQuery* We use MySQL, so you should know how to write basic queriesPostscript is hiring a remote Senior Backend Engineer, Conversations AI. This is a full-time position that can be done remotely anywhere in North America.
Postscript - SMS marketing software for growing Shopify stores.
Ethereum Foundation is looking to hire a Software Engineering Intern to join their team. This is an internship position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
Ethereum Foundation is looking to hire a Research Intern to join their team. This is an internship position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
VDEX is seeking a skilled and dedicated GoLang engineer to play an instrumental role in advancing our cutting-edge cryptography and implementing them in real applications.
Responsibilities:
- Build and maintain a Go-based decentralized exchange.
- Manage DEX-Ethereum deposits, which require an understanding of Solidity.
- Understand a complex peer-to-peer cryptographic system.
- Implement secure on-chain verification processes and manage efficient off-chain computations.
- Design, build, and maintain secure, efficient, and scalable blockchain infrastructure.
Requirements:
- Strong proficiency in GoLang and Solidity.
- Knowledge of cryptographic primitives.
- Extensive experience with blockchain technologies, smart contract development, and security.
- Understanding of Zero-Knowledge Proofs, Multi-Party Computations, commitment, and signature schemes.
Offering:
- Competitive salary
- Generous equity
Position open immediately.