6 of 6 Smart Contracts Jobs in Central London

startup building core infrastructure for decentralised finance. They are looking for a solidity engineer to design and ship secure, production grade smart contracts that will power high value financial products like stablecoins, liquidity infrastructure, and DeFi protocols. Role: Design, develop, and maintain advanced Solidity smart contracts Contribute to protocol architecture, design patterns, and technical direction Write unit, integration, and fuzz tests using Foundry or similar frameworks Optimise and debug smart contracts for gas efficiency,performance,and security Collaborate with product and backend teams to deliver features Requirements: 3+ years ...

Technical Specialist to design, build, and scale modern web and blockchain-enabled applications. This role combines cloud architecture, full-stack web development, and smart contract engineering, working closely with product, engineering, and security teams to deliver secure, high-performance systems. You will be a hands-on senior technologist … edge services for optimal UX and SEO. Collaborate with designers and product teams to deliver production-grade user interfaces. Web3 & Smart Contracts Design, develop, and deploy smart contracts (e.g., Solidity) on blockchain networks. Integrate blockchain functionality into web applications (wallets, transactions, indexing). Conduct ...

beneficial but not required. What they’re looking for: Strong production experience with Rust and Python Hands-on experience with smart contracts and Solidity at an application level 3–4+ years in crypto or DeFi-native roles Deep understanding of decentralized exchanges and the current DeFi landscape … cloud infrastructure Based in London or working remotely from anywhere in Europe Nice to have: Experience designing, writing, and deploying smart contracts On-chain trading or strategy development experience Familiarity with ecosystems such as Solana, Sui, or Cosmos Experience diagnosing performance, latency, or throughput issues Interest ...

maintain high‐assurance implementations of privacy-preserving solutions in main-stream programming languages as well as Bitcoin opcodes. Collaborate with protocol, backend, and smart‐contract engineers to integrate cryptographic components into production systems and to review its security. Stay current with academic research and industry best practices … knowledge proofs, SNARKs/STARKs, multi‐party computation, threshold signatures, or Fully Homomorphic Encryption. Solid understanding of blockchain fundamentals: consensus mechanisms, smart contracts, ledger model (account, object and UTXO model), Layer 2/rollups, and Bitcoin scripts. Demonstrated track record via shipped systems, open‐source contributions ...

Technical Specialist to design, build, and scale modern web and blockchain-enabled applications. This role combines cloud architecture, full-stack web development, and smart contract engineering, working closely with product, engineering, and security teams to deliver secure, high-performance systems click apply for full job details ...

Smart Contract Engineer DeFi space Remote: (HQ: Singapore) £150k-200k Plexus has another great opportunity with one of our long-term clients within the DeFi space. This is a great opportunity to join a fast growing startup building core infrastructure for decentralised finance click apply for full ...