1 to 25 of 38 Web3 Jobs in London

or Java. * Demonstrable experience in systematically integrating with on-chain DeFi protocols. * A deep understanding of the DeFi landscape, including MEV, gas optimization, and blockchain data structures. * Familiarity with Web3 libraries (e.g., web3.py, ethers.js) and interacting with blockchain nodes. Bonus Qualifications (Highly Desirable): * Experience in on-chain auditing or security review of smart contracts. * Knowledge of cryptographic primitives used in More ❯

or Java. * Demonstrable experience in systematically integrating with on-chain DeFi protocols. * A deep understanding of the DeFi landscape, including MEV, gas optimization, and blockchain data structures. * Familiarity with Web3 libraries (e.g., web3.py, ethers.js) and interacting with blockchain nodes. Bonus Qualifications (Highly Desirable): * Experience in on-chain auditing or security review of smart contracts. * Knowledge of cryptographic primitives used in More ❯

or Java. * Demonstrable experience in systematically integrating with on-chain DeFi protocols. * A deep understanding of the DeFi landscape, including MEV, gas optimization, and blockchain data structures. * Familiarity with Web3 libraries (e.g., web3.py, ethers.js) and interacting with blockchain nodes. Bonus Qualifications (Highly Desirable): * Experience in on-chain auditing or security review of smart contracts. * Knowledge of cryptographic primitives used in More ❯

or Java. * Demonstrable experience in systematically integrating with on-chain DeFi protocols. * A deep understanding of the DeFi landscape, including MEV, gas optimization, and blockchain data structures. * Familiarity with Web3 libraries (e.g., web3.py, ethers.js) and interacting with blockchain nodes. Bonus Qualifications (Highly Desirable): * Experience in on-chain auditing or security review of smart contracts. * Knowledge of cryptographic primitives used in More ❯

and improve system architectures. Lead development teams and ensure architectural alignment Evaluate technologies, risks, and business impact. Communicate updates to stakeholders on progress and decisions. Requirements 5+ years in Web3 with architectural experience; strong Solidity, Java, and EVM expertise; Rust/JS a plus. Deep Bitcoin knowledge, applied cryptography, secure protocol design, and smart contract auditing. Experience with consensus algorithms More ❯

a digitally native economy. Led by CEO and Founder Michael Novogratz, our team blends deep crypto expertise with institutional experience and a shared commitment to shaping the future of Web3 and AI. Galaxy is headquartered in New York City, with offices across North America, Europe, the Middle East, and Asia. To learn more about our businesses and products, visit What More ❯

Senior Backend (Golang) Engineer Layer 1 Remote $130k - $200k + Benefits Plexus is partnering with a fast-scaling Web3 company that's building next-generation infrastructure for decentralized applications and AI-driven economies. The team is product-focused, engineering-driven, and backed by top-tier investors, with an emphasis on performance, scalability, and security. Role Overview As a Senior Backend More ❯

and resilient Interest and curiosity about digital assets and the crypto economy Bonus Points for: Knowledge or experience in AML, particularly for crypto Experience working in the blockchain/Web3 industry Additional language skills: French Keen interest in public speaking and being present in events across the region Job Benefits Hybrid working and the option to work from almost anywhere More ❯

re Looking For Expertise in programming languages like Go, Rust, Python, Java MEV Experience Experience with APIs and distributed system architectures. A drive to innovate and build in the Web3 space. What we offering Competitive Salary: £100k - £180k Hybrid Working: 4 days in office Equity! Elite Team If this piques your interest, please apply today More ❯

re Looking For Expertise in programming languages like Go, Rust, Python, Java MEV Experience Experience with APIs and distributed system architectures. A drive to innovate and build in the Web3 space. What we offering Competitive Salary: £100k - £180k Hybrid Working: 4 days in office Equity! Elite Team If this piques your interest, please apply today More ❯

re Looking For Expertise in programming languages like Go, Rust, Python, Java MEV Experience Experience with APIs and distributed system architectures. A drive to innovate and build in the Web3 space. What we offering Competitive Salary: £100k - £180k Hybrid Working: 4 days in office Equity! Elite Team If this piques your interest, please apply today More ❯

re Looking For Expertise in programming languages like Go, Rust, Python, Java MEV Experience Experience with APIs and distributed system architectures. A drive to innovate and build in the Web3 space. What we offering Competitive Salary: £100k - £180k Hybrid Working: 4 days in office Equity! Elite Team If this piques your interest, please apply today More ❯

as an Executive Assistant or in a senior operational role Have a proven track record of working with late-stage technology startups or established public technology companies Background in Web3, blockchain, fintech or emerging technologies Strong organizational and time-management skills; proven ability to handle multiple priorities Excellent written and verbal communication skills in English and Russian High level of More ❯

Senior Product Manager Web3 Payment processor Remote £100k-£140k Plexus has another great opportunity with one of our long-term clients within the DeFi space. They are an established payment processor who allow users to send money abroad and locally. They are looking for a Senior Product Engineer to oversee a products entire lifecycle from initial idea all the way More ❯

spot trends and opportunities from customer data Curious, adaptable, and resilient - you thrive in fast-moving, emerging markets Nice to have Knowledge of AML, digital assets, or blockchain/Web3 Enjoy public speaking and representing at industry events What’s on offer Competitive salary + share options 25 days holiday + birthday off + enhanced parental leave Private healthcare & mental More ❯

spot trends and opportunities from customer data Curious, adaptable, and resilient - you thrive in fast-moving, emerging markets Nice to have Knowledge of AML, digital assets, or blockchain/Web3 Enjoy public speaking and representing at industry events What’s on offer Competitive salary + share options 25 days holiday + birthday off + enhanced parental leave Private healthcare & mental More ❯

spot trends and opportunities from customer data Curious, adaptable, and resilient - you thrive in fast-moving, emerging markets Nice to have Knowledge of AML, digital assets, or blockchain/Web3 Enjoy public speaking and representing at industry events What’s on offer Competitive salary + share options 25 days holiday + birthday off + enhanced parental leave Private healthcare & mental More ❯

spot trends and opportunities from customer data Curious, adaptable, and resilient - you thrive in fast-moving, emerging markets Nice to have Knowledge of AML, digital assets, or blockchain/Web3 Enjoy public speaking and representing at industry events What’s on offer Competitive salary + share options 25 days holiday + birthday off + enhanced parental leave Private healthcare & mental More ❯

Our story Blockchain is transforming online payments by enabling faster, cost-effective transactions without intermediaries. Helio's mission is to make crypto payments accessible to all. As a leading web3 payments platform, we now support over 6,000 merchants, developers, and millions of buyers with seamless crypto checkout for e-commerce, subscriptions, trading, and more. Our developer APIs power on … things that haven't been done before. You're a true team player and inherently positive. Where others see problems, you see solutions. You will have a passion for Web3 technologies including NFTs and all things blockchain. You may be fit for this role if you have: 5+ years of software engineering experience in backend teams primarily using Rust and More ❯

Our central services teams work with ventures to help them achieve success; including early stage prototyping and initial product development where this role sits. Your Mission As a Principal web3 Solidity Engineer at Improbable, you will work with web3 Ventures to help them get to market faster. You will work with their leadership team to design, prototype, and launch initial … board for venture leadership Work closely with the Somnia Blockchain team and provide product feedback to their developers Why You're Made For This We are seeking an experienced Web3 Engineer with experience on EVM-based smart contracts in Solidity, Web3 JS/TS libraries for contract interactions with frontend and backend systems, and experience with The Graph. You have … Solidity best practices and common security vulnerabilities. You thrive when solving complex, ambiguous problems and enjoy working across disciplines to find the best solutions. You are passionate about the web3 community. Optional Skills Experience with The Graph protocol for creating Subgraphs, designing smart contracts for optimal indexability, DeFi protocols like Uniswap and AAVE, Solidity fuzz testing, Slither, Mithril, and Hardhat More ❯

You communicate clearly - sharp thinking, no hand-holding needed Our stack: TypeScript, React, Python, a bit of Rust, AWS with a bunch of monitoring tools sprinkled in. The latest web3 tools as standard foundry, rainbowkit, wagmi, viem, etc. We keep it simple and don't employ elaborate systems where it's not needed. We utilise AI strategically but understand when … beta feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human. Job type: Remote job Tags developer design web3 defi crypto code financial finance leader senior digital nomad Sent 1 day ago Apply on external site Share on Facebook Share on Twitter Share on LinkedIn Share via Email Back More ❯

Remote | 💸 Paid in Crypto | 🧑‍💻 No Experience Needed | 🌍 Global We’re a team building something fresh at the intersection of Web3, DeFi, and privacy-first tech. As we prepare for a closed alpha launch, we’re inviting curious crypto minds to get early access and help us shape the experience. If you’re tired of clunky crypto tools and want to … be ahead of the curve — this is your chance. 🔥 What You’ll Be Doing: Get early access to a brand-new Web3 app before it goes public Install the app (available for Windows/macOS/Android) Test basic features (~15–20 minutes of usage) Share your feedback via a short form 💰 What You’ll Get: Payment in ETH/…/USDT Bonus rewards for valuable insights and user suggestions A chance to join our private community of early adopters & insiders 👀 Who We’re Looking For: Crypto-curious or Web3-savvy individuals People who enjoy trying new tools before the crowd Confident users of computers or smartphones No need to code, write bug reports, or do anything technical ⚠️ Please note More ❯

Remote | 💸 Paid in Crypto | 🧑‍💻 No Experience Needed | 🌍 Global We’re a team building something fresh at the intersection of Web3, DeFi, and privacy-first tech. As we prepare for a closed alpha launch, we’re inviting curious crypto minds to get early access and help us shape the experience. If you’re tired of clunky crypto tools and want to … be ahead of the curve — this is your chance. 🔥 What You’ll Be Doing: Get early access to a brand-new Web3 app before it goes public Install the app (available for Windows/macOS/Android) Test basic features (~15–20 minutes of usage) Share your feedback via a short form 💰 What You’ll Get: Payment in ETH/…/USDT Bonus rewards for valuable insights and user suggestions A chance to join our private community of early adopters & insiders 👀 Who We’re Looking For: Crypto-curious or Web3-savvy individuals People who enjoy trying new tools before the crowd Confident users of computers or smartphones No need to code, write bug reports, or do anything technical ⚠️ Please note More ❯

Remote | 💸 Paid in Crypto | 🧑‍💻 No Experience Needed | 🌍 Global We’re a team building something fresh at the intersection of Web3, DeFi, and privacy-first tech. As we prepare for a closed alpha launch, we’re inviting curious crypto minds to get early access and help us shape the experience. If you’re tired of clunky crypto tools and want to … be ahead of the curve — this is your chance. 🔥 What You’ll Be Doing: Get early access to a brand-new Web3 app before it goes public Install the app (available for Windows/macOS/Android) Test basic features (~15–20 minutes of usage) Share your feedback via a short form 💰 What You’ll Get: Payment in ETH/…/USDT Bonus rewards for valuable insights and user suggestions A chance to join our private community of early adopters & insiders 👀 Who We’re Looking For: Crypto-curious or Web3-savvy individuals People who enjoy trying new tools before the crowd Confident users of computers or smartphones No need to code, write bug reports, or do anything technical ⚠️ Please note More ❯

Remote | 💸 Paid in Crypto | 🧑‍💻 No Experience Needed | 🌍 Global We’re a team building something fresh at the intersection of Web3, DeFi, and privacy-first tech. As we prepare for a closed alpha launch, we’re inviting curious crypto minds to get early access and help us shape the experience. If you’re tired of clunky crypto tools and want to … be ahead of the curve — this is your chance. 🔥 What You’ll Be Doing: Get early access to a brand-new Web3 app before it goes public Install the app (available for Windows/macOS/Android) Test basic features (~15–20 minutes of usage) Share your feedback via a short form 💰 What You’ll Get: Payment in ETH/…/USDT Bonus rewards for valuable insights and user suggestions A chance to join our private community of early adopters & insiders 👀 Who We’re Looking For: Crypto-curious or Web3-savvy individuals People who enjoy trying new tools before the crowd Confident users of computers or smartphones No need to code, write bug reports, or do anything technical ⚠️ Please note More ❯