26 to 50 of 76 Permanent web3js Jobs

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 ...

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments ...

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 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 ...

Building the Future of Open FinancePayward - the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks - has spent the last 15 years building one of the most modern and globally accessible financial ...

Enterprise Sales – Financial Institutions (Web3 Security) | London Our client is a category-leading Web3 risk detection and security platform, protecting on-chain and off-chain assets from smart contract exploits, bridge hacks, market manipulation, and ...

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 ...

DXC Luxoft Financial Services is looking for an experienced Senior Blockchain Developer to design and build enterprise-grade digital asset platforms, operating at the intersection of traditional finance and blockchain technology. You will contribute to ...

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 ...

Love technology, coding, AI and cryptocurrency but want a professional career? Join one of the UK's leading digital asset accounting teams, working with crypto exchanges, blockchain companies and Web3 startups while qualifying as a ...

Citi is seeking a Blockchain Software Developer to join the Digital Assets Platform engineering team. This role focuses on building Web3-native components, on-chain integrations, and scalable backend services for institutional digital finance use ...

About Us For nearly a century, our client has been building a firm as accountants, auditors, tax specialists and close advisors to clients operating in emerging markets, disrupting the status quo. This has accelerated thanks ...

Building the Future of Open FinancePayward - the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks - has spent the last 15 years building one of the most modern and globally accessible financial ...

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 ...

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 ...

Love technology, coding, AI and cryptocurrency but want a professional career? Join one of the UK's leading digital asset accounting teams, working with crypto exchanges, blockchain companies and Web3 startups while qualifying as a ...

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 ...

We’re seeking someone to join the global Threat Hunt and Cyber Detection (THCD) team as a Detection Engineer. The THCD mission is to seek out attacks against the Morgan Stanley network, to engineer detection ...

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 ...

Citi's London team seeks a Lead Web3 Engineer for the Digital Assets Platform. You will back enterprise-grade web applications, integrate with blockchain networks, and drive backend services using Java and Web3 libraries. Strong ...

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 ...

Want to operate at the forefront of crypto markets where technology, speed, and strategy drive real impact? Join a leading crypto-native algorithmic trading firm that provides liquidity across global cryptocurrency exchanges and platforms, delivers ...

The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks’ platform and network provide the simplest and most secure way for companies ...

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 ...

An innovative crypto startup in London is seeking a talented developer to create cutting-edge cryptographic applications. Your role will involve shipping code, collaborating with customers, and prototyping next-gen products. Ideal candidates will have ...