24 of 24 Remote/Hybrid Permanent web3js Jobs

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 ...

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 ...

About UpholdUphold 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 Institutional ...

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 ...

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 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 ...

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 ...

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 ...

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 ...

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain ...

Company: Moonsong Labs Location: London Sector: Blockchain Source: web3.career Deliver Manager London Remote About Moonsong Labs Moonsong Labs is an engineering company that designs and builds production-grade blockchain and AI systems for institutional finance. ...

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:/ ...

Analytiq Global, a London-based IT services firm, seeks a Blockchain Developer & Specialist with Ethereum expertise. You will design and implement robust blockchain solutions, including tokenized platforms, DeFi integrations, and enterprise blockchain projects. Ideal ...

A leading blockchain ecosystem in the United Kingdom is seeking a passionate individual for brand advocacy and community engagement. The role involves enhancing the brand's online presence across various platforms, strategizing with stakeholders, and ...

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 ...

Hostphase, a worldwide bare metal cloud provider, is seeking a Sales Representative with a blockchain focus to expand our team and accelerate adoption of Hostphase across the Web3 ecosystem. You will source and win new ...

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 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 ...

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 ...

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 ...

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. ...