1 to 25 of 44 Smart Contracts Jobs in the UK

risk (Black Scholes, greeks, margin, hedging). Strong understanding of crypto markets, order-book mechanics, market-data feed architectures, and risk-control frameworks. Experience developing EVM Smart Contracts using Solidity and popular toolchains (Foundry or Hardhat). Experience in profiling and benchmarking with tools such as pprof, delve, and gdb and meeting end-to-end performance SLAs. … staying at the forefront of this dynamic field. Nice to Haves Experience building order book DEXes (e.g. Serum style) Experience integrating natively with DeFi protocols and smart contracts (e.g. Uniswap Router, pump.fun liquidity pools, multicall, etc.) Experience developing and deploying Solana Smart Contracts with Achor Experience with GraphQL schema design and sub-second subscription More ❯

Director of Product Design at Bitcoin Smart Contracts Blockchain This EVM Blockchain platform is at the forefront of transforming the financial industry with its cutting-edge technology and is seeking a passionate Director of Product Design to shape the design strategy and team for this world-changing business. The Company Leading player in the world of Ethereum … Virtual Machine (EVM) Smart Contracts Extensive company funding allows for truly ground-breaking experimentation A diverse, international team working from anywhere in the world Extensive benefits, bonuses and share options The Role Completely own the design practice - build the strategy and build the team as you see fit Massive opportunity to design a blockchain ecosystem As well More ❯

dApps used by the community. What You'll Be Doing Architect, build, launch, and maintain Dapps-from concept to community usage. Develop on-chain logic in smart contracts and connect them to web front-ends for crypto users and newcomers. Work with business leads to define product roadmaps, set vision and strategy, and serve as a sounding … Blockchain team and provide product feedback to their developers. Why You're Made For This We seek an experienced Web3 Engineer with expertise in EVM-based smart contracts using Solidity, Web3 JS/TS libraries for contract interactions, and experience with The Graph. You have shipped multiple production-grade Dapps using Solidity. You possess strong hands-on … problems and working across disciplines. You are passionate about the web3 community. Optional Skills Additional helpful experience includes: Creating Subgraphs with The Graph protocol or designing smart contracts for optimal indexability. Experience in DeFi protocols like UniswapV2/V3 or AAVE. Familiarity with Solidity fuzz testing, Slither, or Mithril. Using the Hardhat testing framework. If you believe More ❯

the community. What You'll Be Doing Architect, build, launch, and maintain Dapps - from concept to being used by the community Build on-chain logic in smart contracts, and connect them to web front-ends to be used by crypto natives and novices Work with business leads to define the product roadmap, help set the vision and … 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 strong hands-on skills with the blockchain … 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 testing framework are helpful but not essential. We welcome applications from candidates with More ❯

build, and scale on the Sui blockchain. This team plays a critical role in enabling adoption by supporting integration with the Sui framework, designing and implementing smart contracts in the Move language, and building full-stack applications that serve as developer tools, internal products, or external-facing demos and PoCs. If you enjoy solving real-world problems … play a key role in expanding the adoption of Sui & Move technologies among developers and partner companies all over the world. You'll design and develop Smart Contracts, create innovative Solutions and empower other software engineers by building tools, creating technical resources, and showcasing the innovative capabilities of the Sui ecosystem. This role requires a proactive, developer … Responsibilities: Build and maintain full-stack applications using Next.js, React, TypeScript, and Node.js with SQL and Key-Value storage technologies for data management. Design and implement smart contracts using the Move programming language to support real-world use cases and learning scenarios Create high-quality technical demos, internal tools, and reference applications that illustrate how to build More ❯

dApps used in the community. What You'll Be Doing Architect, build, launch, and maintain dApps - from concept to community usage Develop on-chain logic in smart contracts, connecting them to web front-ends for crypto natives and novices Work with business leads to define product roadmaps, and help set the vision and strategy for the venture … Provide product feedback to the Somnia Blockchain development team Why You're Made For This We seek an experienced Web3 Engineer with expertise in EVM-based smart contracts using Solidity, Web3 JS/TS libraries for contract interactions, and experience with The Graph. Shipped multiple production-grade dApps built with Solidity Strong hands-on skills with the … complex problems and working across disciplines Passionate about the web3 community Optional Skills Additional helpful experience includes: Using The Graph protocol to create Subgraphs or designing smart contracts for optimal indexability Experience in DeFi protocols like UniswapV2/V3 or AAVE Familiarity with Solidity fuzz testing, Slither, Mithril Experience with Hardhat testing framework We welcome applicants who More ❯

the community. What You'll Be Doing Architect, build, launch, and maintain dApps - from concept to being used by the community. Build on-chain logic in smart contracts, and connect them to web front-ends used by crypto natives and novices. Work with business leads to define the product roadmap, help set the vision and strategy for … Blockchain team, providing product feedback to their developers. Why You're Made For This We are seeking an experienced Web3 Engineer with expertise in EVM-based smart contracts on Solidity, Web3 JS/TS libraries for contract interactions, and experience with The Graph. You should have strong hands-on skills with the blockchain development framework Foundry. You … passionate about the web3 community. Optional skills The following technical experience is helpful but not essential: Experience using The Graph protocol to create Subgraphs or designing smart contracts for optimal indexability. Experience in the DeFi ecosystem, particularly swapping protocols (e.g., Uniswap V2 or V3) and lending protocols (e.g., AAVE). Awareness of Solidity fuzz testing, Slither, and More ❯

and United Kingdom . About the Role As a Senior Solidity/Smart Contract Engineer on the CCIP team, you will develop highly impactful smart contracts that further secure Chainlink CCIP networks, drive on-chain projects end to end and implement new on-chain features. You will work closely with all functions at Chainlink, from … engineering, operations, finance, marketing, and more to ensure the team releases easy to use and easy to manage smart contract driven products. Your core team will be composed of smart contract and software engineers and you will report to the engineering lead on the team. Your Impact: Owning large components of the smart contract … z2bz0 years of professional engineering experience working in a collaborative product-driven environment At least 3+ years of smart contract development experience Deployed multiple smart contracts to Ethereum mainnet or an EVM compatible chain that secured substantial user funds Deep understanding of Solidity and the EVM Active participant in the blockchain ecosystem as a user More ❯

Senior Smart Contract Engineer London Engineering In office Full-time Summary Perpl is a high-performance, orderbook-based perpetuals DEX launching on Monad. We're backed by top crypto-native investors and building the next evolution of on-chain trading-one that combines CEX-level performance with DeFi composability and transparency. Our mission is to bring the speed … you'll play a critical role in building the infrastructure powering on-chain derivatives at scale. In this role, you will: Design and implement mission-critical smart contracts for the Perpl CLOB and vault system Collaborate closely with engineering, product, and quant teams to ensure robustness and capital efficiency Define testing, simulation, and on-chain monitoring standards … optimization Own the full lifecycle of smart contract development from design audit deployment upgrade Qualifications Required 3+ years of experience building and maintaining EVM smart contracts in production Strong knowledge of Solidity, low-level EVM mechanics, and gas optimization strategies Proven ability to work with external auditors and internal security reviews Experience designing DeFi protocols More ❯

squads, to build the future of our SaaS/API-first products . You will report to our Head of Software, and collaborate with the Product, Infrastructure and Smart-Contract teams to work on the various products that Kiln's offers. Responsibilities: Contribute to architectural decisions and technical strategy. Develop and implement software features in our Golang services …/Kubernetes), and Continuous Integration. Ability to ship opinionated architectural choices and code, and to share software best practices. Proven interest in Web3, blockchain, cryptocurrency and smart contracts - check our Tech Blog and Open-Source Contribution Fluent (written and spoken) in French and English. Nice-to-have: Previous experience working within a certified environment (SOC2, ISO … PCI DSS, HIPAA ) Genuine interest in Web3, blockchain, cryptocurrency and smart contracts - check our Tech Blog and Open-Source Contribution About Kiln: Kiln is the leading enterprise-grade rewards platform that enables institutional customers to stake assets and integrate staking & DeFi functionality into their offerings. Our API-first platform provides fully automated validators, staking & DeFi protocols access More ❯

years of software engineering experience in backend teams primarily using Rust and Node/Node.js, TS & JS in a full stack environment Fluency in Solana Rust smart contracts with proven experience and projects 4+ years of experience in blockchain development. Practical experience deploying smart contracts on the mainnets of major blockchains Contribution to crypto More ❯

years of software engineering experience in backend teams primarily using Rust and Node/Node.js, TS & JS in a full stack environment Fluency in Solana Rust smart contracts with proven experience and projects 4+ years of experience in blockchain development. Practical experience deploying smart contracts on the mainnets of major blockchains Contribution to crypto More ❯

smart contracts. Responsibilities Develop and maintain responsive, user-friendly front-end interfaces using React, Next.js , Vue or similar frameworks. Integrate EVM and non-EVM smart contracts using libraries like Ethers.js, Web3.js, Viem, Starknet.js and wallet connectors such as ConnectKit and wagmi. Support wallet integrations including MetaMask, Argent X, and Braavos. Design and implement scalable back … end services and APIs using Node.js, Express, and related technologies. Collaborate with blockchain engineers to interact with smart contracts and on-chain data. Implement best practices for security, including wallet connectivity, transaction handling, and protection of user data. Deploy and maintain applications on AWS (EC2, Elastic Beanstalk, S3, CloudFront), with a focus on scalability, logging, and monitoring. … TypeScript and PHP. 5+ years of experience in web development, including 3+ years in dApp development. Hands-on experience integrating and interacting with both EVM and Non-EVM smart contracts. Familiarity with ConnectKit, wagmi, and Viem libraries for modern wallet connection flows. Experience deploying web applications on AWS using services like Elastic Beanstalk, EC2, and S3, with understanding More ❯

implement RWA tokenization strategies on Solana and adjacent ecosystems. While you'll work within a Solana-first environment, most of your contributions will be in architectural design, APIs, smart contract integrations, data pipelines, and compliance flows rather than low-level Rust development (though familiarity is a plus). What you'll do: Design tokenization architectures for … RWAs on Solana as well as custody, compliance, and lifecycle flows Interface with enterprise clients and partners to understand technical requirements Develop integration blueprints across APIs, smart contracts (Solana + SPL), oracles, and custodians Collaborate with protocol developers, external front-end and back-end teams to deliver E2E solutions Contribute to reference architectures and internal best practices … You might be a fit if you have: 8+ years in a technical architecture or solution engineering role Hands-on experience with Web3 tools: wallets, APIs, smart contracts (ideally Solana) Solid understanding of asset tokenization (e.g. securities, funds, carbon, real estate) Familiarity with Solana architecture (SPL tokens, PDAs, anchor framework, etc.) Prior exposure to regulated financial institutions More ❯

users to combine, automate, and execute any DeFi action with zero code. We're a small, passionate team with a deep belief in permissionless innovation, user ownership, and smart contract modularity.We're now looking for a Frontend Engineer (Mid-Senior Level) to help … us build the next generation of Web3 interfaces. What You'll Do Own and contribute to the development of dynamic, responsive, and performant Web3 applications. Integrate smart contracts into the frontend with libraries such asethers.js,viem, orwagmi. Work closely with design and product teams to bring complex DeFi workflows to life through intuitive UI/UX. Build … JS/TS frameworks. Proven experience working in the Web3 space , especially with DeFi protocols (e.g. Uniswap, Aave, Curve, etc.). Comfortable calling and interacting with smart contracts from the frontend. Experience using tools for indexing and querying on-chain data (e.g. The Graph, Moralis, SubQuery, custom solutions). Deep understanding of Web3 libraries like wagmi , viem More ❯

Experienced in Web3 Development: We are interested in candidates with prior experience in the Web3 space. This could include projects involving meme coins, DeFi trading platforms, smart contracts, NFTs, wallets, decentralized applications (DApps), or other related areas Understanding of Cryptocurrency Wallet Infrastructure : An understanding of cryptocurrency wallet infrastructure across various networks (such as Ethereum, Bitcoin, Solana, Ripple … Experienced in Web3 Development: We are interested in candidates with prior experience in the Web3 space. This could include projects involving meme coins, DeFi trading platforms, smart contracts, NFTs, wallets, decentralized applications (DApps), or other related areas Understanding of Cryptocurrency Wallet Infrastructure : An understanding of cryptocurrency wallet infrastructure across various networks (such as Ethereum, Bitcoin, Solana, Ripple More ❯

technology, transforming physical properties into digital tokens representing ownership stakes. This approach lowers the entry threshold for investors and enhances transparency, security, and efficiency by leveraging smart contracts and decentralized finance (DeFi) mechanisms. At MetaWealth , we are passionate about empowering retail investors to take control of their financial future. We believe that everyone should have access to … a strong interest in Web3 technologies to join our team. In this role, you'll build responsive, high-performance user interfaces that interact with Solana-based smart contracts and decentralized applications (dApps). You'll work closely with our product, design, and blockchain teams to deliver seamless user experiences in a fast-moving and innovative environment. If … love to meet you. Requirements Min. 5 years experience on web2 frontend development + min. 1 years experience on Web3 Frontend Development on Solana ecosystem (Wallet Connections ,Solana Smart Contract integrations to the frontend) Understanding of how Solana and blockchain work in high level is essential like RPC Nodes, Wallet Providers, transaction signing from frontend using wallet providers More ❯

gaming interfaces, breaking free from tired casino design patterns to showcase blockchain's unique superpowers while keeping gameplay familiar and addictive. Master Blockchain Translation Transform complex smart contracts and blockchain mechanics into crystal-clear, confidence-building user experiences that make provably fair gaming feel magical, not mysterious. Lead Cross-Functional Innovation Collaborate with blockchain wizards, game mathematicians … history browsing. Drive Data-Powered Insights Partner with research teams to decode Web3 casino player behavior, uncovering golden opportunities to eliminate friction in onboarding and amplify engagement through smart gamification and social features. Innovate Reward Systems Design compelling reward systems and gamification layers that create lasting player relationships beyond individual sessions – think achievement systems, competitive leaderboards, and community … a portfolio that showcases your range – ideally T-shaped with UI/Motion as your core strength Web3 Fluency: Working knowledge of Web3 fundamentals (wallets, transactions, smart contracts) with the rare ability to design intuitive abstractions for mainstream audiences Gaming Passion: Genuine love for gaming and entertainment, with an innate understanding of what creates thrilling experiences while More ❯

full stack environment Fluency in Rust and Solidity or other similar smart contract languages 2+ years of experience in blockchain development. Practical experience deploying smart contracts on the mainnets of major blockchains Contribution to a crypto project with a substantial token market cap a plus Experience utilising all the latest CI/CD, APIs, Security More ❯

about decentralized technologies and eager to contribute to groundbreaking initiatives, we welcome you to be part of our team. Responsibilities: Develop and deploy blockchain solutions, encompassing smart contracts and decentralized applications (DApps). Collaborate closely with cross-functional teams to define and seamlessly integrate blockchain features. Play a key role in designing the architecture and protocols of … in the field of blockchain. Requirements: Proven experience as a Blockchain Developer or in a similar role. Proficiency in various blockchain technologies and protocols (e.g., Ethereum, Hyperledger, Binance Smart Chain). Strong programming skills, preferably in languages like Solidity, Go, or C++. Hands-on experience with smart contract development and deployment. Sound understanding of consensus algorithms More ❯

engineering teams, with a track record of successfully delivering complex technical projects. Hands-on experience with blockchain technologies, with at least deep knowledge in Ethereum, Bitcoin, smart contracts, and decentralized finance (DeFi) applications, and the broader industry landscape. Strong problem-solving skills, thinking strategically and translating business needs into technical solutions. Thrive in a fast-paced, rapidly More ❯

and similarity queries Familiarity with crypto markets, order books, and risk-management frameworks Familiarity with anomalydetection methods for streaming text and timeseries data Experience developing EVM smart contracts with Solidity and modern toolchains (Foundry or Hardhat). Experience with realtime subscription frameworks (GraphQL subscriptions, WebSockets) or gRPC streaming for live data updates Seniority level Seniority level Mid More ❯

with EVM, Solana, and other blockchain ecosystems. Minimum 3 years experience using JavaScript/TypeScript, NodeJS, and relevant SDKs (e.g. web3.js , ethers.js ). Deep understanding of Smart Contracts, AMM, Farming, etc. Experience with websocket programming. Experience with Linux system programming. Good to have: Trading system experience in connectivity, model pricing. Good to have: Experience with C++ and More ❯

a fast-paced, ambiguous environment with multiple concurrent projects. Nice to Have Hands-on development experience or background in a technical role (especially in JS frameworks, Node.js, or smart contract development). Experience working in startup or innovation-focused environments and/or enterprise clients. Experience being Line Nahwe Bachelor's or Master's degree in Computer Science More ❯

technology, transforming physical properties into digital tokens representing ownership stakes. This approach lowers the entry threshold for investors and enhances transparency, security, and efficiency by leveraging smart contracts and decentralized finance (DeFi) mechanisms. At MetaWealth, we are passionate about empowering retail investors to take control of their financial futures. We believe that everyone should have access to More ❯