26 to 44 of 44 Smart Contracts Jobs in the UK

Smart Contract Developer

Hiring Organisation
CryptoIEX
Location
Stockport, Greater Manchester, UK
Employment Type
Full-time
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 ...

Smart Contract Developer

Hiring Organisation
CryptoIEX
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
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 ...

Smart Contract Developer

Hiring Organisation
CryptoIEX
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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 ...

Smart Contract Developer

Hiring Organisation
CryptoIEX
Location
Newcastle upon Tyne, UK
Employment Type
Full-time
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 ...

Smart Contract Developer

Hiring Organisation
CryptoIEX
Location
Brighton, East Sussex, UK
Employment Type
Full-time
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
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 ...

Fully Remote Software Engineer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
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
Bury, Greater Manchester, United Kingdom
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
Leeds, West Yorkshire, United Kingdom
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 ...

Lead Engineer

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Permanent
Lead Engineer/CTO - Up to £175k We're building the next-generation sports betting & prediction markets platform-where users can bet, trade event contracts, or even become the House. Leveraging blockchain (Solana app-chain), secure oracles, and modern backend tech, we're scaling fast while preparing for CFTC … This is a rare opportunity to build cutting-edge tech while shaping strategy. What You'll Do Lead architecture and innovation: smart contracts, hybrid on/off-chain systems, scalable infrastructure. Ensure regulatory compliance: CFTC-aligned systems, KYC/AML, secure settlements, audit trails. Manage and mentor ...

Software Engineer (Prop Trading Firm)

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 ...

Software Engineer (Prop Trading Firm)

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 ...

DeFi Developer | London

Hiring Organisation
AAA Global
Location
London Area, United Kingdom
/Kotlin/similar Nice to have Strong preference Understanding of trading systems, market structure, or strategy implementation Bonus DeFi familiarity: smart contracts, blockchain APIs, MEV, Solana Rust experience Infrastructure/observability tools (AWS, Grafana, etc.) Strong math/stats background (modeling, simulation) Team culture Our client ...

Blockchain Architect -(Distributed ledger Technology SME)

Hiring Organisation
Smartedge Solutions Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Knowledge of Public/Private DLT (Ethereum/Hyperledger Besu/CORDA) and standards around the same Experienced in Solidity proficiency with proven Smart contract build & delivery experience Knowledge of custody architectures: MPC/HSM, wallet policy engines Knowledge of asset tokenisation (fungible, non-fungible, and hybrid), stablecoin ...

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 ...

DeFi Trader (£500k-£1.2m)

Hiring Organisation
Fionics
Location
Slough, Berkshire, UK
Employment Type
Full-time
this rapidly growing space. You'll Do: Design latency-sensitive, market-neutral trading strategies for blockchain Build automated algorithms interacting with smart contracts and DEXs Analyze blockchain data to identify profitable opportunities Develop risk frameworks for volatile crypto markets You Have: 6+ years running HFT/prop ...

DeFi Trader (£500k-£1.2m)

Hiring Organisation
Fionics
Location
City of London, London, United Kingdom
this rapidly growing space. You'll Do: Design latency-sensitive, market-neutral trading strategies for blockchain Build automated algorithms interacting with smart contracts and DEXs Analyze blockchain data to identify profitable opportunities Develop risk frameworks for volatile crypto markets You Have: 6+ years running HFT/prop ...

Senior Java Engineer Smart Contract

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Title: Senior Java Engineer (Smart Contract) Location: London Contract: 12 Months Are you a passionate Senior Java Developer looking to make a significant impact in an innovative environment? Our client is seeking a talented individual to join their dynamic team in London, where you'll design and develop … functional teams, this opportunity is for you! What We're Looking For: Strong expertise in Java and Spring/Spring boot. Hands on Smart Contract (Solidity) experience in essential Experienced in financial services , Ideally Commercial Lons. Experience in developing and deploying microservices architectures using Spring Boot, Spring Batch ...