1 to 25 of 58 Smart Contracts Jobs in the UK

Blockchain Developer - Smart Contracts

Hiring Organisation
Oscar
Location
City of London, London, United Kingdom
onsite, 4 WFH) Contract: 6 Months (OIR35) Rate: £500-600 DOE What You'll Be Working On: Designing, developing and maintaining smart contracts/on-chain programs Building solutions on Ethereum (Solidity) or Solana (Rust) Contributing to enterprise distributed ledger workflows (DAML-based platforms) Collaborating with engineers … code Supporting integration with off-chain services, APIs, and data layers Key Skills & Experience: Strong experience working with Solidity and Ethereum smart contracts And/Or experience developing Solana programs using Rust Understanding of smart contract security, testing and optimisation Experience working with DAML (desirable ...

Senior Software Engineer (Top Crypto Trading Firm)

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
chain trading accessible to everyone. You’ll work hands-on with Rust and Python, build public APIs, and integrate directly with smart contracts and trading logic. This is a highly product-driven role with real ownership and daily production impact. What they’re looking for Strong experience … with Rust and/or Python Hands-on experience working with EVM smart contracts (application-level Solidity, not just theory) 3–4+ years in crypto/DeFi–native roles Solid understanding of decentralised exchanges and the current DeFi landscape A grasp of trading concepts, or a strong ...

Senior Software Engineer (Top Crypto Trading Firm)

Hiring Organisation
Radley James
Location
Slough, Berkshire, UK
Employment Type
Full-time
chain trading accessible to everyone. You'll work hands-on with Rust and Python, build public APIs, and integrate directly with smart contracts and trading logic. This is a highly product-driven role with real ownership and daily production impact. What they're looking for Strong experience … with Rust and/or Python Hands-on experience working with EVM smart contracts (application-level Solidity, not just theory) 3–4+ years in crypto/DeFi–native roles Solid understanding of decentralised exchanges and the current DeFi landscape A grasp of trading concepts, or a strong ...

Smart Contract Developer

Hiring Organisation
CryptoIEX
Location
United Kingdom
full-time remote role for a Smart Contract Developer. The developer will be responsible for designing, implementing, and testing smart contracts on blockchain platforms. Daily tasks will include reviewing and optimizing contract performance, conducting code audits to ensure security and efficiency, and collaborating with teams … understand project requirements. Additional responsibilities may involve integrating smart contracts with other blockchain components and staying updated on industry trends in blockchain technology. Qualifications Experience with Smart Contract development and blockchain technologies, particularly Ethereum or other major platforms. Proficiency in Solidity, Vyper, or other smart ...

Fully Remote Software Engineer

Hiring Organisation
Radley James
Location
London, UK
Employment Type
Full-time
What you'll be doing Building and maintaining backend services and public APIs in Rust and Python Working directly with EVM smart contracts at an application level Contributing to the evolution of a performance-critical DeFi trading platform What we're looking for Strong experience with Rust … Python 3–4+ years in crypto/DeFi-native roles Practical experience interacting with Solidity smart contracts (not just high-level) Understanding of DEXs and trading concepts (hands-on or theoretical) Comfortable operating production systems in a cloud environment ...

Fully Remote Software Engineer

Hiring Organisation
Radley James
Location
Manchester, UK
Employment Type
Full-time
What you'll be doing Building and maintaining backend services and public APIs in Rust and Python Working directly with EVM smart contracts at an application level Contributing to the evolution of a performance-critical DeFi trading platform What we're looking for Strong experience with Rust … Python 3–4+ years in crypto/DeFi-native roles Practical experience interacting with Solidity smart contracts (not just high-level) Understanding of DEXs and trading concepts (hands-on or theoretical) Comfortable operating production systems in a cloud environment ...

Fully Remote Software Engineer

Hiring Organisation
Radley James
Location
Bradford, UK
Employment Type
Full-time
What you'll be doing Building and maintaining backend services and public APIs in Rust and Python Working directly with EVM smart contracts at an application level Contributing to the evolution of a performance-critical DeFi trading platform What we're looking for Strong experience with Rust … Python 3–4+ years in crypto/DeFi-native roles Practical experience interacting with Solidity smart contracts (not just high-level) Understanding of DEXs and trading concepts (hands-on or theoretical) Comfortable operating production systems in a cloud environment ...

Fully Remote Software Engineer

Hiring Organisation
Radley James
Location
Slough, Berkshire, UK
Employment Type
Full-time
What you'll be doing Building and maintaining backend services and public APIs in Rust and Python Working directly with EVM smart contracts at an application level Contributing to the evolution of a performance-critical DeFi trading platform What we're looking for Strong experience with Rust … Python 3–4+ years in crypto/DeFi-native roles Practical experience interacting with Solidity smart contracts (not just high-level) Understanding of DEXs and trading concepts (hands-on or theoretical) Comfortable operating production systems in a cloud environment ...

DeFi Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
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 ...

DeFi Developer

Hiring Organisation
Radley James
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

Blockchain Analyst

Hiring Organisation
Affluence Markets
Location
London, England, United Kingdom
current on blockchain innovations, market dynamics, and regulatory developments. Qualifications Demonstrated expertise in blockchain technology, including an understanding of blockchain protocols, smart contracts, and distributed ledgers. Experience using blockchain analytics tools such as Chainalysis , Elliptic , Nansen , or equivalent platforms. Strong familiarity with cryptocurrency markets, tokenomics, and digital ...

Blockchain Analyst

Hiring Organisation
Affluence Markets
Location
Slough, Berkshire, UK
Employment Type
Full-time
current on blockchain innovations, market dynamics, and regulatory developments. Qualifications Demonstrated expertise in blockchain technology, including an understanding of blockchain protocols, smart contracts, and distributed ledgers. Experience using blockchain analytics tools such as Chainalysis, Elliptic, Nansen, or equivalent platforms. Strong familiarity with cryptocurrency markets, tokenomics, and digital ...

Blockchain Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
ensure project milestones and deadlines are met. Key Responsibilities Define the architecture for blockchain-based KYC and identity verification systems. Design smart contracts and distributed workflows integrated with AI-based onboarding platforms. Collaborate with AI, compliance, and engineering teams to ensure alignment with regulatory standards and data ...

Blockchain Architect

Hiring Organisation
CBSbutler Holdings Limited
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£475 - £530 per day + Inside remote working
ensure project milestones and deadlines are met. Key Responsibilities Define the architecture for blockchain-based KYC and identity verification systems. Design smart contracts and distributed workflows integrated with AI-based onboarding platforms. Collaborate with AI, compliance, and engineering teams to ensure alignment with regulatory standards and data ...

Business Development Manager Web3

Hiring Organisation
CyberScope, a TAC Security Company
Location
Swindon, UK
Employment Type
Full-time
selling technical services and enterprise solutions Can work independently in a remote, fast-paced environment Bonus Points If You Have: Direct experience selling smart contract audits, penetration testing, monitoring, or compliance Worked with Web3 enterprises, funds, or large-scale protocols Experience managing long sales cycles and high-value ...

Business Development Manager Web3

Hiring Organisation
CyberScope, a TAC Security Company
Location
London, UK
Employment Type
Full-time
selling technical services and enterprise solutions Can work independently in a remote, fast-paced environment Bonus Points If You Have: Direct experience selling smart contract audits, penetration testing, monitoring, or compliance Worked with Web3 enterprises, funds, or large-scale protocols Experience managing long sales cycles and high-value ...

Business Development Manager Web3

Hiring Organisation
CyberScope, a TAC Security Company
Location
Belfast, UK
Employment Type
Full-time
selling technical services and enterprise solutions Can work independently in a remote, fast-paced environment Bonus Points If You Have: Direct experience selling smart contract audits, penetration testing, monitoring, or compliance Worked with Web3 enterprises, funds, or large-scale protocols Experience managing long sales cycles and high-value ...

Business Development Manager Web3

Hiring Organisation
CyberScope, a TAC Security Company
Location
Edinburgh, UK
Employment Type
Full-time
selling technical services and enterprise solutions Can work independently in a remote, fast-paced environment Bonus Points If You Have: Direct experience selling smart contract audits, penetration testing, monitoring, or compliance Worked with Web3 enterprises, funds, or large-scale protocols Experience managing long sales cycles and high-value ...

Business Development Manager Web3

Hiring Organisation
CyberScope, a TAC Security Company
Location
Bristol, UK
Employment Type
Full-time
selling technical services and enterprise solutions Can work independently in a remote, fast-paced environment Bonus Points If You Have: Direct experience selling smart contract audits, penetration testing, monitoring, or compliance Worked with Web3 enterprises, funds, or large-scale protocols Experience managing long sales cycles and high-value ...

Business Development Manager Web3

Hiring Organisation
CyberScope, a TAC Security Company
Location
Cardiff, UK
Employment Type
Full-time
selling technical services and enterprise solutions Can work independently in a remote, fast-paced environment Bonus Points If You Have: Direct experience selling smart contract audits, penetration testing, monitoring, or compliance Worked with Web3 enterprises, funds, or large-scale protocols Experience managing long sales cycles and high-value ...

Business Development Manager Web3

Hiring Organisation
CyberScope, a TAC Security Company
Location
Leicester, UK
Employment Type
Full-time
selling technical services and enterprise solutions Can work independently in a remote, fast-paced environment Bonus Points If You Have: Direct experience selling smart contract audits, penetration testing, monitoring, or compliance Worked with Web3 enterprises, funds, or large-scale protocols Experience managing long sales cycles and high-value ...

Business Development Manager Web3

Hiring Organisation
CyberScope, a TAC Security Company
Location
Nottingham, UK
Employment Type
Full-time
selling technical services and enterprise solutions Can work independently in a remote, fast-paced environment Bonus Points If You Have: Direct experience selling smart contract audits, penetration testing, monitoring, or compliance Worked with Web3 enterprises, funds, or large-scale protocols Experience managing long sales cycles and high-value ...

Business Development Manager Web3

Hiring Organisation
CyberScope, a TAC Security Company
Location
United Kingdom
selling technical services and enterprise solutions Can work independently in a remote, fast-paced environment Bonus Points If You Have: Direct experience selling smart contract audits, penetration testing, monitoring, or compliance Worked with Web3 enterprises, funds, or large-scale protocols Experience managing long sales cycles and high-value ...

Business Development Manager Web3

Hiring Organisation
CyberScope, a TAC Security Company
Location
Luton, Bedfordshire, UK
Employment Type
Full-time
selling technical services and enterprise solutions Can work independently in a remote, fast-paced environment Bonus Points If You Have: Direct experience selling smart contract audits, penetration testing, monitoring, or compliance Worked with Web3 enterprises, funds, or large-scale protocols Experience managing long sales cycles and high-value ...

Business Development Manager Web3

Hiring Organisation
CyberScope, a TAC Security Company
Location
Guildford, Surrey, UK
Employment Type
Full-time
selling technical services and enterprise solutions Can work independently in a remote, fast-paced environment Bonus Points If You Have: Direct experience selling smart contract audits, penetration testing, monitoring, or compliance Worked with Web3 enterprises, funds, or large-scale protocols Experience managing long sales cycles and high-value ...