101 to 125 of 148 Smart Contracts Jobs in London

the growing demands of the ecosystem. What You’ll Do: Design, implement, and maintain Walrus core, including storage node, client software, smart contracts and toolchains that power Walrus and its infrastructure. Work closely with the research, cryptography, production, security teams, and Sui core teams, to keep the More ❯

major verticals. Our team of experienced product managers, designers, and engineers work together to create innovative products and services that enable smart contracts to securely access off-chain data and systems. With a focus on user-centered design, we strive to create intuitive and seamless experiences for More ❯

hear your recommendation(s) on tooling and implementation strategy. Disaster recovery and security tooling – ensure platform resilience and safe deployment of backend and smart contract code. Event-driven architecture – where you will be building, supporting and running scalable systems that can handle millions of users per day. You More ❯

growing business reporting to the Head of Engineering. The Developer Relations team work across the following broad goals; Develop apps and smart contracts so new developers can easily onboard with. Provide them with tools so they are set up for success. Directly own and drive developer adoption More ❯

experience tradeoffs. Familiarity with a wide array of EVM infrastructure projects (bridges, node providers, tooling, automation, oracles, auditors ) Proven experience reviewing smart contracts in a production-grade DeFi context. Familiarity with Solidity and the EVM developer ecosystem (Hardhat, Foundry, OpenZeppelin) Humility and strong ability to communicate technical More ❯

should expect: A collaborative office environment with pairing and social activities. Work across the stack, from core Java components to financial products using smart contracts. Opportunities for learning through tech talks, conferences, and personal development time. What you’ll be working with: Backend: Distributed, event-driven core Java More ❯

and help shape the architectural vision of this dynamic bank's blockchain-related infrastructure. Design and implement secure wallet systems Build smart contracts and DeFi tooling from the ground up Develop interoperable cross-chain and L2 solutions Engineer tokenisation systems for banking infrastructure Collaborate with key teams … for enterprise crypto services Key Responsibilities: Develop reliable, high-performance blockchain systems Design wallet, smart contract, and cross-chain solutions Guide node architecture and ledger design Advise on blockchain trends and DeFi ecosystems The Candidate We're seeking a proven Engineering leader with strong DeFi, Stablecoin, and (ideally … have a background of 0-1 build out and deep blockchain experience. 10+ years in software & blockchain architecture Deep knowledge of EVM, Rust Smart-Contract build. A background in building Crosschain, Sablecoin, wallets, and DeFi products Experience with production-grade blockchain design Expertise in blockchain security and performance More ❯

and help shape the architectural vision of this dynamic bank's blockchain-related infrastructure. Design and implement secure wallet systems Build smart contracts and DeFi tooling from the ground up Develop interoperable cross-chain and L2 solutions Engineer tokenisation systems for banking infrastructure Collaborate with key teams … for enterprise crypto services Key Responsibilities: Develop reliable, high-performance blockchain systems Design wallet, smart contract, and cross-chain solutions Guide node architecture and ledger design Advise on blockchain trends and DeFi ecosystems The Candidate We're seeking a proven Engineering leader with strong DeFi, Stablecoin, and (ideally … have a background of 0-1 build out and deep blockchain experience. 10+ years in software & blockchain architecture Deep knowledge of EVM, Rust Smart-Contract build. A background in building Crosschain, Sablecoin, wallets, and DeFi products Experience with production-grade blockchain design Expertise in blockchain security and performance More ❯

and help shape the architectural vision of this dynamic bank's blockchain-related infrastructure. Design and implement secure wallet systems Build smart contracts and DeFi tooling from the ground up Develop interoperable cross-chain and L2 solutions Engineer tokenisation systems for banking infrastructure Collaborate with key teams … for enterprise crypto services Key Responsibilities: Develop reliable, high-performance blockchain systems Design wallet, smart contract, and cross-chain solutions Guide node architecture and ledger design Advise on blockchain trends and DeFi ecosystems The Candidate We're seeking a proven Engineering leader with strong DeFi, Stablecoin, and (ideally … have a background of 0-1 build out and deep blockchain experience. 10+ years in software & blockchain architecture Deep knowledge of EVM, Rust Smart-Contract build. A background in building Crosschain, Sablecoin, wallets, and DeFi products Experience with production-grade blockchain design Expertise in blockchain security and performance More ❯

if you're: Ambitious You're someone eager to grow quickly in your career and can scale with Kular. Daniel deployed smart contracts that stored >1B$ in value Smart You explore innovative ways of doing things, have strong opinions, and are open to change. Kular More ❯

and L2 networks, DeFi protocols, staking, etc. You excel in identifying machine-level, transaction-level, and business logic-level vulnerabilities in smart contracts and protocol infrastructure. You have 3+ years of smart contract auditing experience and have led the audit of several complex protocols. You More ❯

and L2 networks, DeFi protocols, staking, etc. You excel in identifying machine-level, transaction-level, and business logic-level vulnerabilities in smart contracts and protocol infrastructure. You have 3+ years of smart contract auditing experience and have led the audit of several complex protocols. You More ❯

a long way. React and Next.js in production-grade consumer applications Tailwind CSS and modern component-based architecture Frontend integration with smart contracts, wallets or blockchain APIs REST and/or GraphQL – confident in connecting frontend to modern backends State management, data fetching patterns, and clean, testable More ❯

Figma and prototyping tools • Familiar with shadcn/ui component library • Experience with AI design tools ( v0.dev , Midjourney) • Basic understanding of smart contracts and blockchain architecture • Knowledge of front-end frameworks (React preferred) We're building the future of open AI models. Help us make it accessible More ❯

finance, where you’ll build low-latency systems that interact directly with blockchain protocols. You’ll contribute to real-time event-driven architectures, smart contract systems, and on-chain infrastructure that underpins a high-volume, high-performance trading operation. Engineers here are empowered to own their systems end More ❯

external stakeholders in the FinTech industry to integrate solutions Become a subject matter expert in payments and Web3 Collaborate with frontend, backend, and smart contract developers Requirements 5+ years of relevant experience building clean, maintainable, and well-tested code in production systems at scale 2+ years of experience More ❯

world of Web3. In this role, you will help support and work closely with team members across a variety of disciplines ranging from smart contract development to frontend, backend, and QA who are eager to develop innovative and industry-shaping products and protocols. Responsibilities Apply your knowledge and More ❯

maturity. You ideally will have: Minimum of 5 years of experience in Web3 security engineering, with proven experience securing blockchain protocols, smart contracts, or cryptographic systems. Proficiency in low-level programming languages (Rust, Nim, C++). Expertise in secure coding practices, including identification of code/protocol More ❯

the DAML Application Runtime team, you have the unique opportunity to build an ecosystem of tools that enable an exciting new class of smart contract, distributed ledger applications. You’ll develop the tools, APIs and frameworks used in the development of smart contract applications. You will … to market faster, and stay there longer. At the core of our service offering is DAML (daml.com), the open source and platform-independent smart contract framework that enables developers to write an application once and … deploy it anywhere. Today, we work with some of the largest companies in the world to harness the transformative power of smart contracts - a component of the distributed ledger technology (DLT) stack - and change the way applications are developed, deployed and used to solve real-world business More ❯

drive cross-function efforts to address them. Perform security assessments, framework development, and threat modeling of assets, including various blockchain protocols, smart contracts, and other distributed ledger tech. Partner with software engineering teams to advise on code and architecture for internal smart contract development. Partner … vulnerabilities and pitfalls for systems that custody cryptocurrency. Familiar with all the fundamentals of onchain activity – blockchain explorers, funds tracing, bridging, DEXs, NFTs, smart contracts. Familiar with recent innovations such as restaking and the various EIPs currently being considered. Ability to provide leadership and mentorship to coworkers. Experience More ❯

Native) and web (React) Collaborate with Product, Design, and Engineering to define, prioritize, and build FinTech/Web3 features Collaborate with backend and smart contract developers Build a reusable UI kit Become a subject matter expert in payments and Web3 Work with Design to implement user friendly and More ❯

considered as an alternative Other skills that are great to bring with you but that we can help you develop: Hedera Development Experience Smart Contract Development expertise from another EVM protocol More ❯

platform empowers learners to book one-hour, one-on-one sessions with verified tutors across 8 distinct categories, from DeFi and smart contracts to crypto security. Were not a course-based marketplace we provide on-demand tutoring when learners need it most. Students choose their tutors, pay More ❯

Ops, and Tech teams to ensure real-time alignment on positions, PnL, risks, and funding. Monitoring & Troubleshooting: Actively track performance of smart contracts, bridge activity, protocol migrations, and pool mechanics; identify inefficiencies and initiate corrective actions. Capital Allocation Support: Assist PMs in deploying capital across venues while More ❯

leverage crypto for illicit finance-including relevant TTPs. Comfortable using raw blockchain data and native explorers to trace assets, including through smart contracts and across bridges. Demonstrated ability to lead complex investigations with minimal oversight-seeing them through from initial exploitation to actionable intelligence Bonus Points for More ❯