1 to 25 of 27 Remote/Hybrid web3js Jobs in the UK

strict standards for reliability, scalability, and performance Strong proficiency in asynchronous programming paradigms and event‐driven architecture patterns Working knowledge of Web3 libraries (Web3J, Web3JS) and their application in enterprise contexts Demonstrated familiarity with Solidity and smart contract development best practices Solid understanding of DevOps principles, containerized application deployment ...

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 ...

test, and audit smart contracts written in Solidity or equivalent languages, ensuring security, correctness, and gas efficiency Integrate Web3 libraries and SDKs (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend services Implement asynchronous, event-driven architectures to handle on-chain events, transaction lifecycle management … Solidity smart contract development, including testing frameworks (Hardhat, Foundry, Truffle) and security best practices Hands-on experience with Web3 libraries such as Web3J, Web3JS, Ethers.js, or Viem Solid understanding of blockchain fundamentals - consensus mechanisms, transaction lifecycle, gas models, wallet infrastructure, and key management Experience with token standards ...

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 ...

Blockchain/DLT Developer London - Hybrid/Remote Permanent £90,000 - £110,000 We are looking for an experienced Blockchain/DLT Developer to join a growing technology team delivering innovative blockchain solutions within the ...

Blockchain/DLT Developer If the following job requirements and experience match your skills, please ensure you apply promptly. London - Hybrid/Remote Permanent £90,000 - £110,000 We are looking for an experienced Blockchain ...

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 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 ...

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 ...

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 ...

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 ...

Citi London is seeking a Lead Web3 Engineer to join the Digital Assets Platform. You will develop backend components linked to blockchain networks, implement wallet interactions, and deploy smart contracts in a fast-paced, enterprise ...

Company: MoonPay Location: London – Hybrid Sector: CryptoPerp Source: web3.career Product Manager, Crypto Asset Management London – Hybrid Product – Product/Full Time/Hybrid About MoonPay MoonPay is for builders with something to prove. This isn ...

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:/ ...

TechHavenLabs seeks a Blockchain Backend Developer to build and maintain the backend that connects our products to EVM networks and smart contracts. You will own RPC communication, event indexing, transaction monitoring, persistence, and on-chain ...

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 ...

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 ...

Attribution Booster, based in the United Kingdom, is looking for a Full-Stack Developer to join their team. This role involves designing, developing, and maintaining scalable web applications, alongside building APIs and smart contract functionality. ...

This is a fully remote role About BNB Chain BNB Chain is making mass blockchain adoption a reality as a community-first and open-source ecosystem built on the principles of permissionlessness and decentralization. By ...

TechHavenLabs is seeking a Web3 Developer to build foundational blockchain integration infrastructure for the platform on a Next.js-based product. You will implement wallet architecture, transaction flows, deployed-contract integrations, and on-chain application layers ...

Citi London is hiring a Senior Blockchain Engineer for the Digital Assets Platform. You will be a hands-on backend engineer (Java Spring) focusing on scalable web applications and web3 integration, contributing to the CIDAP ...

Citi London is seeking a Senior Blockchain Engineer to join the Digital Assets Platform. You will contribute to the Citi Integrated Digital Assets Platform (CIDAP), building enterprise-grade web applications with a strong Java backend ...

Citi London is seeking a Lead Web3 Engineer to drive backend development for the Integrated Digital Assets Platform. You will build enterprise-grade web applications, connect to blockchain networks, and develop APIs and services that ...

A blockchain technology company is seeking a Developer Relations Engineer to engage with the web3 developer community. You will manage online presence, support ecosystem strategy, create educational content, and enhance developer experiences. The ideal candidate ...