13 of 13 Permanent Smart Contracts Jobs in the City of London

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 ❯

This role focuses on supporting the security of their Crypto trading infrastructure and OTC platform Responsibilities: Conduct vulnerability assessments, threat modeling, and penetration testing across infrastructure, smart contracts, and OTC-specific components Lead system hardening, network segmentation, identity management, and rapid incident response for DeFi and OTC environments Investigate security incidents and perform forensic analysis, particularly for More ❯

This role focuses on supporting the security of their Crypto trading infrastructure and OTC platform Responsibilities: Conduct vulnerability assessments, threat modeling, and penetration testing across infrastructure, smart contracts, and OTC-specific components Lead system hardening, network segmentation, identity management, and rapid incident response for DeFi and OTC environments Investigate security incidents and perform forensic analysis, particularly for 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 ❯