Smart Contracts Jobs in the UK excluding London

1 to 25 of 29 Smart Contracts Jobs in the UK excluding London

Smart Contract Engineer

london, south east england, united kingdom
Gyld Finance
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 ❯
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Smart Contract Engineer

slough, south east england, united kingdom
Gyld Finance
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 ❯
Posted:

Smart Contract Engineer

london (city of london), south east england, united kingdom
Gyld Finance
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 ❯
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Lead Systems Engineer - Market Making - Crypto

South East, United Kingdom
Xcede Group
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Systems Engineer - Market Making - Crypto

london, south east england, united kingdom
Xcede Group
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 ❯
Posted:

Lead Systems Engineer - Market Making - Crypto

slough, south east england, united kingdom
Xcede Group
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 ❯
Posted:

Lead Systems Engineer - Market Making - Crypto

london (city of london), south east england, united kingdom
Xcede Group
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 ❯
Posted:

Defi Automation Engineer

london, south east england, united kingdom
Blue Coast
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 ❯
Posted:

Defi Automation Engineer

slough, south east england, united kingdom
Blue Coast
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 ❯
Posted:

Defi Automation Engineer

london (city of london), south east england, united kingdom
Blue Coast
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 ❯
Posted:

Blockchain Architect

london, south east england, united kingdom
Luxoft
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 ❯
Posted:

Blockchain Architect

slough, south east england, united kingdom
Luxoft
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 ❯
Posted:

Blockchain Architect

london (city of london), south east england, united kingdom
Luxoft
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 ❯
Posted:

Lead Blockchain Architect

South East, United Kingdom
Luxoft
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Blockchain Architect

london, south east england, united kingdom
Luxoft
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 ❯
Posted:

Lead Blockchain Architect

slough, south east england, united kingdom
Luxoft
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 ❯
Posted:

Lead Blockchain Architect

london (city of london), south east england, united kingdom
Luxoft
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 ❯
Posted:

Director Security

Leeds, Yorkshire, United Kingdom
Hybrid / WFH Options
Stott and May
adversarial attacks. Secure ML infrastructure across data collection, preprocessing, model training, and deployment. Implement privacy-preserving techniques such as encryption, anonymisation, and federated learning. Crypto & Blockchain Security Oversee smart contract security audits, testing, and deployment pipelines. Protect user assets across wallets, custody solutions, and crypto exchange mechanisms. Monitor on-chain activity for suspicious behaviour, including rug pulls and … with a minimum of 7-8 years focused on cybersecurity. Proven track record in cybersecurity strategy, team leadership, and incident management. Deep knowledge of blockchain protocols, smart contracts (Solidity, Rust), cryptography, and custody systems. Strong expertise in cloud security, DevSecOps, and secure software development lifecycle (SSDLC). Understanding of AI/ML systems security, including model attacks More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
Formula Recruitment
on experience with blockchain or Web3 technologies, such as: Integrating with crypto exchanges or custodial APIs Using Web3 libraries to query blockchain data or interact with smart contracts Building secure transaction flows or DeFi integrations Experience with frontend frameworks (e.g. React) or end-to-end feature development. Familiarity with test automation or performance testing for distributed systems. More ❯
Employment Type: Part-time
Posted:

DeFi Security Engineer - HFT Market Making Firm - London

london, south east england, united kingdom
DJRecruit Asia
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 ❯
Posted:

DeFi Security Engineer - HFT Market Making Firm - London

slough, south east england, united kingdom
DJRecruit Asia
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 ❯
Posted:

Graduate Data Analyst

london, south east england, united kingdom
Hybrid / WFH Options
ea Change
complex datasets to identify patterns, anomalies, and insights Collaborate with developers and data scientists to validate results and refine algorithms Assist in developing blockchain use cases and understanding smart contract workflows Build dashboards, reports, or data visualisations to communicate findings to stakeholders Contribute to research into emerging technologies and their practical application in finance. Requirements Undergraduate degree in More ❯
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Head of Engineering - Web3/Blockchain

london, south east england, united kingdom
Hybrid / WFH Options
Albert Bow
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 ❯
Posted:

Head of Engineering - Web3/Blockchain

slough, south east england, united kingdom
Hybrid / WFH Options
Albert Bow
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 ❯
Posted:

Head of Engineering - Web3/Blockchain

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Albert Bow
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 ❯
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