end development. Strong proficiency in JavaScript, HTML5, and CSS3. Experience with modern JavaScript frameworks (React, Vue.js, or Angular). Familiarity with Web3 technologies, including Ethereum, smart contracts, and dApps. Experience integrating blockchain wallets (e.g., MetaMask) into web applications. Knowledge of responsive design principles and cross-browser compatibility. Proficiency in version More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Bitfinex
of Bitfinex's blockchain infrastructure. Create good quality policies, procedures and technical documentation. Minimum Requirements Previous experience in interacting with blockchain nodes (ie. Bitcoin, Ethereum). Strong passion for Bitcoin and other cryptocurrencies. Advanced Node/JavaScript skills. Familiar with microservices architecture and REST APIs. Ability to quickly learn new More ❯
london (city of london), south east england, United Kingdom
Selby Jennings
trading infrastructure and services within the decentralised finance sector. Our mission is to foster an open, transparent financial system through their contributions to the Ethereum blockchain and beyond. They seek a Software Engineer with a strong background in STEM and a passion for software development. While experience with low latency More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Noir
Blockchain Developer – Web3/DeFi Innovator – London (Tech stack: Blockchain Developer, Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging between L1 and L2, NoSQL databases, Git, Agile, Rust, Go, L2 frameworks, Unity, Unreal, GoDot, Programmer, Full Stack Engineer, Architect, Blockchain Developer) We have an exciting new … interact, using sophisticated Layer 2 scaling solutions and bleeding-edge tech. Our client is looking for a passionate Blockchain Developer with strong skills in Ethereum-based ecosystems. You will be joining a world-class engineering team, contributing across the full stack, from writing performant smart contracts to architecting scalable back … ends and beautiful user-facing interfaces. They will provide exposure and training in: Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging between L1 and L2, NoSQL databases, Git, Agile, Rust, Go, L2 frameworks, Unity, Unreal and GoDot. This is your opportunity to be involved in building More ❯
They are a small team but are all driven by innovation and the chance to work in Web3. You will work on Smart Contract (Ethereum) development and build blockchain infrastructure with consensus. You will also build Web3 UI Components using TypeScript/JavaScript. The key requirements are: 2+ years of … experience working in Blockchain Ethereum/Smart Contract Development TypeScript/JavaScript Web3 UI Components Chainlink-based oracles Liquidity Solutions NFTs Having experience working in a start-up is also a huge plus! They are looking for smart & driven people who are passionate about engineering & want to be involved in More ❯
established Digital Assets team. Role focus on research, development, and deployment of high quality mid- to high-frequency quantitative trading strategies across Cryptocurrencies (Bitcoin, Ethereum, Tether, and Ripple), Digital Securities and NFTs. Incredible opportunity to become a core member of a market leading buy-side team, take full ownership of More ❯