13 of 13 Smart Contracts Jobs in the City of London

Smart Contract Engineer who can build and maintain the on-chain components of our platform across Ethereum and Solana. You’ll design and implement smart contracts for RWA tokenization, settlement, and validator integration, and work with backend and infrastructure teams to connect the off-chain exchange to blockchain-based systems. Responsibilities Develop and test smart contracts in Solidity (Ethereum) and Rust (Solana). Implement logic for RWA tokenization, custody, and settlement. Integrate off-chain exchange systems with on-chain components. Collaborate with the infrastructure team on validator operations and staking integration. Ensure security, auditability, and compliance of all smart contracts. Write clear technical documentation and contribute to system design decisions. … Requirements Strong experience in Solidity and EVM-based smart contract development. Experience developing Solana programs in Rust (Anchor framework a plus). Understanding of DeFi protocols and real-world asset tokenization. Familiarity with smart contract testing, auditing, and optimization. Strong communication and problem-solving skills and work collaboratively across teams. Nice to Have Experience with off More ❯

chain trading strategies. You’ll work across bare metal and cloud environments, automate infrastructure, and ensure the reliability and scalability of systems that interact directly with smart contracts and blockchain nodes. Key Responsibilities Architect and manage Linux-based systems across cloud and on-prem environments. Design and implement CI/CD pipelines tailored for blockchain-integrated services. … blockchain nodes, RPC endpoints, and trading bots. Automate deployment and monitoring using Python and Golang. Ensure high availability and performance of systems interacting with DeFi protocols. Collaborate with smart contract developers, quant researchers, and trading engineers. Skills 8+ years' experience as a System Engineer/Platform Engineer 5+ years' experience in Linux system administration and performance tuning. Strong … Azure). Proficiency in Python and Golang for automation and tooling. Familiarity with blockchain infrastructure, including Ethereum, Solana, or Layer 2 networks. Understanding of DeFi protocols, smart contracts, and on-chain data flows is a strong advantage. Bonus Skills Experience running validator nodes or RPC infrastructure. Knowledge of MEV, DEX architecture, or liquidity provisioning. Contributions to open More ❯

chain trading strategies. You’ll work across bare metal and cloud environments, automate infrastructure, and ensure the reliability and scalability of systems that interact directly with smart contracts and blockchain nodes. Key Responsibilities Architect and manage Linux-based systems across cloud and on-prem environments. Design and implement CI/CD pipelines tailored for blockchain-integrated services. … blockchain nodes, RPC endpoints, and trading bots. Automate deployment and monitoring using Python and Golang. Ensure high availability and performance of systems interacting with DeFi protocols. Collaborate with smart contract developers, quant researchers, and trading engineers. Skills 8+ years' experience as a System Engineer/Platform Engineer 5+ years' experience in Linux system administration and performance tuning. Strong … Azure). Proficiency in Python and Golang for automation and tooling. Familiarity with blockchain infrastructure, including Ethereum, Solana, or Layer 2 networks. Understanding of DeFi protocols, smart contracts, and on-chain data flows is a strong advantage. Bonus Skills Experience running validator nodes or RPC infrastructure. Knowledge of MEV, DEX architecture, or liquidity provisioning. Contributions to open More ❯

will be critical in developing robust, systematic, and scalable solutions that drive our core operations. This is a unique opportunity for a candidate with a strong blend of smart contract expertise and traditional software engineering skills to build the next generation of DeFi infrastructure. Key Responsibilities: * Systematically integrate with various DeFi protocols (e.g., DEXs, lending markets, yield … farms) across multiple blockchain networks. * Design, develop, and maintain automated systems for on-chain operations, including trading, liquidity management, and asset custody. * Write, test, and deploy smart contracts; proficiency beyond Solidity is highly valued. * Develop and maintain off-chain automation bots, data pipelines, and monitoring tools using languages like Python or Java. * Collaborate with the quant and … similar role within the DeFi space, ideally from: * DeFi Funds or Algorithmic Trading Firms * Leading DeFi Protocols * DeFi Custody or Infrastructure Providers Required Skills & Qualifications: * Strong experience in smart contract development with Solidity. Proficiency in other smart contract languages (e.g., Rust for Solana, Vyper) is a significant plus. * Solid foundation in general-purpose programming languages such More ❯

will be critical in developing robust, systematic, and scalable solutions that drive our core operations. This is a unique opportunity for a candidate with a strong blend of smart contract expertise and traditional software engineering skills to build the next generation of DeFi infrastructure. Key Responsibilities: * Systematically integrate with various DeFi protocols (e.g., DEXs, lending markets, yield … farms) across multiple blockchain networks. * Design, develop, and maintain automated systems for on-chain operations, including trading, liquidity management, and asset custody. * Write, test, and deploy smart contracts; proficiency beyond Solidity is highly valued. * Develop and maintain off-chain automation bots, data pipelines, and monitoring tools using languages like Python or Java. * Collaborate with the quant and … similar role within the DeFi space, ideally from: * DeFi Funds or Algorithmic Trading Firms * Leading DeFi Protocols * DeFi Custody or Infrastructure Providers Required Skills & Qualifications: * Strong experience in smart contract development with Solidity. Proficiency in other smart contract languages (e.g., Rust for Solana, Vyper) is a significant plus. * Solid foundation in general-purpose programming languages such More ❯

various blockchain platforms, smart contract development, and integrating blockchain with enterprise systems. Responsibilities Design and implement blockchain architectures and decentralized applications (DApps). Develop smart contracts using platforms like Ethereum, Hyperledger Fabric, Corda, or Polygon. Define consensus algorithms and token economics. Set up blockchain infrastructure including nodes and networks. Ensure security through cryptographic techniques and … least 4-5 years in blockchain solution design, architecture, and implementation. Expertise in blockchain platforms such as Ethereum, Hyperledger Fabric, Corda, or Polygon, with hands-on experience in smart contract development. Strong proficiency in programming languages (Solidity, Go, Java, Python, or Rust) for blockchain application development. Proven ability to design decentralized applications (DApps), consensus algorithms, and token economics More ❯

various blockchain platforms, smart contract development, and integrating blockchain with enterprise systems. Responsibilities Design and implement blockchain architectures and decentralized applications (DApps). Develop smart contracts using platforms like Ethereum, Hyperledger Fabric, Corda, or Polygon. Define consensus algorithms and token economics. Set up blockchain infrastructure including nodes and networks. Ensure security through cryptographic techniques and … least 4-5 years in blockchain solution design, architecture, and implementation. Expertise in blockchain platforms such as Ethereum, Hyperledger Fabric, Corda, or Polygon, with hands-on experience in smart contract development. Strong proficiency in programming languages (Solidity, Go, Java, Python, or Rust) for blockchain application development. Proven ability to design decentralized applications (DApps), consensus algorithms, and token economics More ❯

various blockchain platforms, smart contract development, and integrating blockchain with enterprise systems. Responsibilities: Design and implement blockchain architectures and decentralized applications (DApps). Develop smart contracts using platforms like Ethereum, Hyperledger Fabric, Corda, or Polygon. Define consensus algorithms and token economics. Set up blockchain infrastructure including nodes and networks. Ensure security through cryptographic techniques and … least 4-5 years in blockchain solution design, architecture, and implementation. Expertise in blockchain platforms such as Ethereum, Hyperledger Fabric, Corda, or Polygon, with hands-on experience in smart contract development. Strong proficiency in programming languages (Solidity, Go, Java, Python, or Rust) for blockchain application development. Proven ability to design decentralized applications (DApps), consensus algorithms, and token economics More ❯

various blockchain platforms, smart contract development, and integrating blockchain with enterprise systems. Responsibilities: Design and implement blockchain architectures and decentralized applications (DApps). Develop smart contracts using platforms like Ethereum, Hyperledger Fabric, Corda, or Polygon. Define consensus algorithms and token economics. Set up blockchain infrastructure including nodes and networks. Ensure security through cryptographic techniques and … least 4-5 years in blockchain solution design, architecture, and implementation. Expertise in blockchain platforms such as Ethereum, Hyperledger Fabric, Corda, or Polygon, with hands-on experience in smart contract development. Strong proficiency in programming languages (Solidity, Go, Java, Python, or Rust) for blockchain application development. Proven ability to design decentralized applications (DApps), consensus algorithms, and token economics More ❯

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, Sybil control mechanisms, and blockchain interoperability. Strong problem-solving, analytical, communication, and remote teamwork skills; BSc/BA or equivalent; fluent English. Offers More ❯

focused products. Experience collaborating closely with Product, Design, and Commercial teams Hands-on experience with blockchain technologies (e.g., Ethereum, Tezos, Layer 2s). Understanding of dApps, smart contracts, wallets, and DeFi. Excellent communication and leadership skills. Track record of shipping products on time and within budget. Perks & Benefits: Competitive salary + substantial incentives Hybrid working + More ❯

3+ years of professional software engineering experience Strong proficiency in Rust (or another systems language with proven Rust competency through projects) Familiarity with DeFi protocols , smart contracts, or on-chain trading systems Ideally experience with a trading firm, exchange, platform where you have worked with building new connectors. Onsite in London (Paddington WeWork) . Competitive base salary More ❯

3+ years of professional software engineering experience Strong proficiency in Rust (or another systems language with proven Rust competency through projects) Familiarity with DeFi protocols , smart contracts, or on-chain trading systems Ideally experience with a trading firm, exchange, platform where you have worked with building new connectors. Onsite in London (Paddington WeWork) . Competitive base salary More ❯