Crypto JavaScript Jobs
Quickly find and apply for JavaScript roles
Latest Web3 JavaScript Jobs:
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DeFi Trader @ Give A Grad A Go
- Develop and execute algorithmic trading & liquidity provision strategies in the DeFi space, particularly on DEXs.
- Monitor and analyze market conditions to identify market opportunities and implement risk management practices.
- Optimize trading algorithms for performance and efficiency across various blockchain networks.
- Collaborate with other team members to improve trading models, infrastructure, and systems.
- Work with smart contract developers to ensure smooth integration of trading strategies with DeFi protocols.
- Stay up to date with the latest trends and developments in DeFi, blockchain technology, and crypto markets.
- Continuously evaluate and improve trading strategies based on market performance and data-driven insights.
- Bachelor’s degree, or higher, in Mathematics, Physics, Computer Science, or a related field.
- At least 2 years of experience in crypto algorithmic trading or market making, with a focus on DeFi (preferably on-chain DEX).
- Strong coding skills in JavaScript, TypeScript, Python, or similar programming languages.
- Deep understanding of DeFi protocols, decentralized exchanges, and blockchain ecosystems.
- Solid grasp of financial concepts and risk management principles in trading.
- Proven track record in developing and executing trading strategies in live markets.
- Ability to work independently and as part of a distributed team.
- Bonus opportunities
- Casual work attire
- Flexible schedule
- Paid time off (holiday / sick pay)
- Paid training opportunities
- Profit sharing / stock options
- Remote / work from home options
- Work abroad opportunities
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Full Stack Engineer @ Interop Labs
- Redesign the code structure of the ITS Portal to support cross-chain integrations, optimizing for scalability and maintainability.
- Collaborate with cross-functional engineering teams to ensure seamless integration with Axelar’s blockchain infrastructure.
- Implement and enhance UX/UI to create intuitive and user-friendly developer tools.
- Write clean, efficient, and well-documented code for both frontend and backend systems.
- Perform contract calls and integrate Solidity smart contracts into the ITS Portal.
- Debug, troubleshoot, and maintain existing code to ensure reliability and performance.
- Stay updated with the latest Web3 technologies and trends, applying them to enhance Axelar’s developer tools.
- 3-5 years of experience as a Full Stack Engineer within Web3.
- Experience and familiarity with DeFi products.
- Proficiency in modern JavaScript frameworks (e.g., React, Next.js, Node.js) and backend technologies.
- Strong understanding of UX/UI principles, with the ability to deliver polished, user-centric interfaces.
- Proven experience in fast-paced, startup environments, with the ability to adapt and deliver.
- Excellent problem-solving skills, strong collaboration abilities, and a proactive, ownership-driven mindset.
- Autonomous, distributed environment with the opportunity to work collaboratively in a diverse team worldwide.
- The scope to contribute to high-impact work and make a difference in a decentralized protocol.
- The chance to challenge yourself while 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.
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Developer Relations Specialist @ Interop Labs
- Serve as a primary technical point of contact for developers, providing support and troubleshooting assistance.
- Contribute to Axelar’s codebase, improving tools and resources for developers.
- Create and maintain comprehensive technical documentation, tutorials, and guides to facilitate developer onboarding.
- Collaborate with the Developer Experience team to identify pain points and enhance Axelar’s developer tools and resources.
- Engage with the developer community through forums, events, and social platforms to gather feedback and foster strong relationships.
- Support the planning and delivery of developer-focused workshops, webinars, and events.
- 3+ years of experience in a Developer Relations role within Web3.
- Experience and understanding of DeFi Products.
- Familiarity with Solidity and Javascript.
- Strong coding abilities, with a focus on contributing to production codebases.
- Excellent communication skills, with the ability to translate complex technical concepts into accessible content.
- Proven experience creating technical documentation and supporting developer onboarding.
- A collaborative, self-starter attitude with a passion for empowering developers and building communities.
- Knowledge of Axelar’s ecosystem and cross-chain interoperability is a plus.
- Autonomous, distributed environment with the opportunity to work collaboratively in a diverse team worldwide.
- The scope to contribute to high-impact work and make a difference in a decentralized protocol.
- The chance to challenge yourself while 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.
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Blockchain Data Engineer @ Nethermind
- Run a scalable, efficient blockchain indexed data platform
- Extract, Transform and Load data from blockchain RPCs
- Assist with data analysis queries
- Design database schema that is performant, scalable, and maintainable
- Interact with the product teams to provide data and build the applications they are requesting
- Interact with field experts and answer internal/external questions related to data extraction
- Build cloud infrastructure to support data engineering efforts.
- Experience/strong interest in blockchain
- Proficient with Python and at least one of the following: JavaScript/TypeScript, Golang, or Rust.
- Strong understanding of distributed systems, Restful APIs and hands-on experience with JSON-RPC endpoints
- Experience with writing infrastructure as code for cloud deployments and microservices for task automation.
- Proven success in communicating with users, other technical teams, and senior management to collect requirements, and describe data modeling decisions and data engineering strategies
- Comfort with writing & optimizing SQL queries
- Experience working with data-pipeline engines (Airflow, Dagster)
- Experience working with big data query engines (Apache Spark, Trino, Presto)
- Experience building reliable infrastructure on the Cloud (AWS, preferred, GCP, Azure) or willing to do so.
- Experience in fault-tolerant infrastructure & real-time system monitoring
- A genuine interest in the functioning of the networks you are working with
- General knowledge of how PoS consensus mechanisms work
- Experience with Terraform or infrastructure as a code
- Fully remote
- Flexible working hours
- Plus equity
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Senior Frontend Engineer / App Developer @ Hedgemony Labs
- 4-5 years of professional experience with JavaScript frameworks such as React & Nextjs
- Proven experience in frontend development with strong skills in JavaScript, HTML, and CSS.
- Familiarity with blockchain libraries and tooling such as WAGMI and Ethers.js
- A strong track record of collaborating with designers to build sophisticated design systems
- Proven experience developing responsive, high-performance apps for both mobile and desktop platforms
- Strong web design sense and an understanding of user experience fundamentals.
- Fluency in English (both written and verbal).
- Familiarity with the complete web stack, including protocols and web server optimization techniques.
- Experience building Telegram integrated front ends and/or mini apps
- Utilize web technologies (React, TypeScript, HTML, CSS) to create MVPs and run experiments that validate ideas, iterating rapidly and adopting new tools as necessary.
- Development of user-facing applications that incorporate complex feature sets, including control panels for trade automation, position dashboards, trading strategy libraries, governance platforms, and various other sub menus.
- Work with the founding team to conceptually iterate, tailor fit, and troubleshoot the unique concepts, capabilities, and vision of the project within prototype front-ends.
- Plan and discuss with QA team to ensure optimal prioritization of bug fixes and feature additions.
- Keep detailed notes about issues, necessary updates, and key concepts presented during development meetings.
- Design, develop, test, deploy, maintain, and enhance software.
- Introduce innovative ideas and technologies into our platform, driving continuous improvement.
- Ensure security, performance, and accessibility are built into the core of everything you develop.
- Guide the team on browser support, integration testing, and performance optimization.
- Mentor junior frontend developers on proven methodologies, best practices, and industry conventions.
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Senior Fullstack Developer @ Nethermind
- 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.
- 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.
- 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.
- Excellent skills in modern JavaScript/Typescript, Python or Java
- A deep understanding of the architecture 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
- 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
Give A Grad A Go is hiring a DeFi Trader
Are you an experienced DeFi Trader, Algorithmic Trader or Risk Manager with a passion for DeFi, crypto, and blockchain? If you’re looking to elevate your trading and market making skills within a leading decentralised exchange, this is the opportunity for you. Apply now for this remote DeFi Trader position!
Company profile - Global Web3 firm
Our client is a firm at the forefront of the DeFi revolution, pioneering the future of permissionless perps trading on Blast, Polygon, Linea, Arbitrum, and more.
As a decentralized perps DEX, they’re backed by leading names in the industry such as Pantera, SIG, Dragonfly, Standard Crypto, Framework, and Hashkey.
With a solid foundation of $38 million in funding. In 2024 they have achieved remarkable expansion, with an accumulative trading volume of over $250 billion.
Currently, the protocol consistently handles a daily trading volume ranging from $500 million to over $1 billion, solidifying its position among the tier-1 perpetual exchange. Due to continued commercial success, they are looking to further grow their team!
Job description – DeFi Trader
In this remote Algorithmic Trader position, we are looking for a passionate, experienced, and skilled Trader/Risk Manager to join the Market Risk team.
As a DeFi Trader, you will be responsible for managing and optimizing algorithmic trading strategies within the decentralized finance (DeFi) ecosystem, with a particular focus on market-making and trading on on-chain decentralized exchanges (DEXs).
The ideal candidate will have a solid understanding of crypto markets, on-chain protocols, and algorithmic trading strategies. Explore the full list of responsibilities below:
Key responsibilities – Algorithmic Trader
In this remote Crypto Trader job, you’ll be involved in:
Job requirements – DeFi Trader
In this remote Algorithmic Trader job, we are looking for:
Searching for remote DeFi Trader or Algorithmic Trading roles in the Blockchain, Cryptocurrency or Web3 sectors? If you’re an experienced professional with proven experience in crypto trading, this opportunity is for you. Don’t miss out—apply now for this remote DeFi Trader position!
💰 Job Benefits
Apply now
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Interop Labs is hiring a Full Stack Engineer
Join Axelar’s Developer Experience team, a team dedicated to enhancing the experience of developers building on Axelar. As a Full Stack Engineer, you’ll play a pivotal role in the redesign of the ITS Portal, ensuring it scales seamlessly for cross-chain integrations. This fully remote role offers the opportunity to collaborate globally in a fast-paced, startup environment.
Your Responsibilities
Your Profile
Why us?
About us
Interop Labs builds interoperability technology.
Interoperability between blockchains is crucial technology infrastructure for the growth of Web3 and the advancement of internet technology as a whole. Interop Labs is the initial developer of Axelar Network - the programmable Web3 interoperability platform, scaling the next generation of internet applications to billions of users. Axelar network’s key attributes are programmability, security and scalability.
Axelar has raised over $100 million from leading VCs including DCVC, Galaxy, Polychain, Dragonfly, Coinbase, and more. Its diverse partner ecosystem spans industry heavyweights such as Ripple, Circle, dYdX, Uniswap, JPMorgan, Deutsche Bank, Microsoft, and others—underscoring Axelar’s unique market position and opportunity in unifying stacks between traditional finance and decentralized ecosystems. Axelar protocol was founded by Sergey Gorbunov (MIT PhD, UWaterloo Professor) and Georgios Vlachos (MIT MSc, Math Gold Medalist), who previously helped to build and launch Algorand.
Apply now
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Interop Labs is hiring a Developer Relations Specialist
Axelar is seeking a Developer Relations Specialist to join our Developer Experience team. In this role, you’ll provide technical support to developers building on Axelar, assist in creating technical documentation, and contribute code to our projects. This fully remote position offers a unique opportunity to engage with the global developer community and enhance their experience in the Web3 space.
Your responsibilities
Your profile
Why us?
About us
Interop Labs builds interoperability technology.
Interoperability between blockchains is crucial technology infrastructure for the growth of Web3 and the advancement of internet technology as a whole. Interop Labs is the initial developer of Axelar Network - the programmable Web3 interoperability platform, scaling the next generation of internet applications to billions of users. Axelar network’s key attributes are programmability, security and scalability.
Axelar has raised over $100 million from leading VCs including DCVC, Galaxy, Polychain, Dragonfly, Coinbase, and more. Its diverse partner ecosystem spans industry heavyweights such as Ripple, Circle, dYdX, Uniswap, JPMorgan, Deutsche Bank, Microsoft, and others—underscoring Axelar’s unique market position and opportunity in unifying stacks between traditional finance and decentralized ecosystems. Axelar protocol was founded by Sergey Gorbunov (MIT PhD, UWaterloo Professor) and Georgios Vlachos (MIT MSc, Math Gold Medalist), who previously helped to build and launch Algorand.
Apply now
Please let Interop Labs know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
Nethermind is hiring a Blockchain Data Engineer
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
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?
As a Blockchain Data Engineer, you will be responsible for extracting on-chain data from various PoS networks. You will be the reference within the company to provide reliable data necessary to perform multiple analyzes and to produce reporting and invoicing.
Responsibilities:
You Have:
Nice to have:
Perks and benefits:
Keep up to date on what we are working on by following us on our social channels:
Apply now
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Hedgemony Labs is hiring a Senior Frontend Engineer / App Developer
Hegemony Labs is looking for a Senior Frontend Engineer to develop a feature rich, intuitive user interface that effectively encompasses our automated trading protocol. Collaborating and clearly communicating with our development team to deliver a thoroughly tested and well-architected product is essential. We seek a self-motivated individual who is extremely detail-oriented, passionate about streamlining user experience, and able to adapt to the dynamics of a fast-paced startup environment. The ideal candidate must effectively navigate complexity, embrace challenges as if they are opportunities for growth, and persevere through troublesome tasks to drive the project forward.
Requirements:
Good to Have:
Key Roles:
Who we are:
Hegemony Labs is an ambitious startup composed of DeFi natives, trend analysts, and technical experts. We are dedicated to delivering bleeding edge trading innovations for the betterment of Web3 at large. Funded and backed by notable VCs and angels.
What we are building:
Hedgemony is an intent-centric execution layer which blends multilayered aggregation services with AI-driven market insights to provide an enriched and unified on-chain experience. Our primary aim is to simplify DeFi interactions and empower traders with unmatched on-chain trading functionalities.
We deliver simultaneous asset swaps, multi faceted yield capture, copy trading, and hedging optionality through our infinitely customizable strategy agents. Users can configure agents to navigate DEXs, lending, yield-bearing protocols, and other derivatives synchronously via conditional triggers and adaptive logic. With one simple action, entire portfolios can be revamped, redelegated, and programmed to automatically rebalance in accordance to shifting market sentiments.
The protocol MVP is currently deployed on Arbitrum One, and currently working towards multi-chain expansion and integration for crosschain settlement compatibilities on Base, Monad, HyperEVM and beyond.
Additional Info:
How to Apply:
Send us an email at [email protected]. Please include your name, resume or CV, three professional references, and a concise statement about what distinguishes you and why you would be a great addition to our team.
Apply with email
team@hedgemony.xyzPlease let Hedgemony Labs know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
Nethermind is hiring a Senior Fullstack Developer
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.
Role Overview:
As a Senior Fullstack 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
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.
Responsibilities:
Skills:
Nice to have:
Keep up to date on what we are working on by following us on our social channels:
Apply now
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