1 to 25 of 50 web3js Jobs in the UK

Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance Familiarity with web3 libraries like Web3J and Web3JS is a plus Familiarity with common and best practices for web3 applications is a plus Familiarity of Solidity code and best practices ...

Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance Familiarity with web3 libraries like Web3J and Web3JS is a plus Familiarity with common and best practices for web3 applications is a plus Familiarity of Solidity code and best practices ...

Software Engineer Build and scale APIs and data layers for cryptocurrency crime prevention and risk understanding. Location: London Job Tags: Software About The Role The engineering team at Chainalysis is inspired by solving the hardest ...

CoinDesk is the most trusted media, events, indices and data company for the global crypto economy. Since 2013, CoinDesk Media has led the story of the future of money and investing, illuminating the transformation in ...

Join the engineering team building ZyncSwap, a non-custodial Web3 trading platform currently in active development. Own CI/CD for web, APIs, and contract tooling. Manage hosting, environments, secrets, and rollback. Monitor uptime, latency ...

About Uphold Uphold is a financial technology company that believes on-chain services are the future of finance. We provide modern infrastructure for on‐chain payments, banking and investments. Offering Consumer Services, Business Services and ...

Blockchain Developer & Specialist in Ethereum Position : Blockchain Developer & Specialist Location : Remote Employment Type : Full-Time Experience Required : 3-5 years in Blockchain Development (with proven experience in Ethereum projects) About Us Analytiq Global ...

About Project Eleven Project Eleven is an applied lab of builders and technologists working at the intersection of quantum computing and cryptography. We build impactful solutions that push the digital-asset ecosystem to a more ...

Full-Stack Developer Remote/On-Site • Full Time Key Responsibilities Design, develop, and maintain scalable web applications using modern tech stacks Build and integrate APIs and smart contract functionality Ensure responsive design and cross ...

About Ledger We're a team of experts pushing the limits of what's possible, united by our common goal to unlock true freedom through digital ownership, making technology accessible for all. We believe in ...

Nibiru Chain is a breakthrough L1 blockchain and smart contract ecosystem sporting superior throughput and unparalleled security. Nibiru aims to be the most developer-friendly and user-friendly smart contract ecosystem, leading the charge toward ...

Senior Blockchain Engineer-Full Stack, Fanatic Markets United Kingdom (Remote) Job Description About Fanatics Markets Fanatics Markets is the real-money prediction and trading app where you can invest in moments you care about. Built ...

Appold is an independent blockchain technology and advisory company. We advise the full spectrum of companies within the blockchain industry, from major financial institutions through to Web3 Foundations, on all areas of blockchain technology-related ...

Retail Circle is committed to hiring and developing exceptional talent. Full-time (Open to Part-time)/Remote/Mid-Senior level Machine Learning: Proven experience with machine learning libraries and frameworks (TensorFlow, PyTorch, scikit ...

Hostphase is a worldwide bare metal cloud provider that gives businesses high-performance servers, end-to-end automation, and the freedom to scale on their own terms. We have spent years building a developer-first ...

Blockaid is redefining trust in blockchain through advanced, integrated security. Our on-chain security platform is trusted by leading Web3 companies, including Coinbase, MetaMask, Uniswap, Backpack, Stellar, and others, to detect, understand, and automatically prevent ...

Merkle Science provides blockchain transaction monitoring and intelligence solutions for web3 companies, digital asset service providers, financial institutions, law enforcement and government agencies to detect, investigate and prevent illicit use of cryptocurrencies. Our vision is ...

About the company: Our mission is that “Any financial application can onboard any user, anywhere in the world, in 1 click.” Transak provides onboarding to financial applications through authentication, KYC, risk checks, and fiat on ...

Open Positions Mid/Senior Software Engineer (Payments) – Apply: https://lnkd.in/euBR36SV Front-end Game Developer (PixiJS) – Apply: https://lnkd.in/ezfP4fwA Blockchain/Web3 Node.js Developer – Apply: https:/ ...

Citi London is seeking a Senior Blockchain Engineer to join the Digital Assets Platform. You will build backend enterprise web applications using Java and spring, with a focus on web3 and CIDAP. You will collaborate ...

Business Development Lead Europe (UK or Remote) London, United Kingdom | Posted on 30/09/2025 The company provides an innovative tokenised basket factory that enables creation of basket tokens using the ERC-7621 ...

A leading blockchain innovation firm is seeking a Business Development Lead in London or remote to execute their growth strategy. The role involves sourcing, negotiating, and closing high-impact partnerships within decentralized finance. Ideal candidates ...

A leading technology company is seeking a Senior Backend Engineer to join their Product Engineering team. This fully remote role focuses on developing secure tools for digital assets in a post-quantum world. Key responsibilities ...

Hoorya is seeking a Senior Blockchain Developer for a UK project with a leading financial institution. You will design and deploy Web3 components, write Solidity contracts, and integrate backend services with multiple blockchains. You will ...

London, United Kingdom | Posted on 12/04/2025 The employer is an early stage Crypto startup developing a toolchain for shared, just‐in‐time applications that gives independent developers freedom to build powerful ...