Smart Contracts Jobs in the South East

1 to 25 of 62 Smart Contracts Jobs in the South East

Blockchain Developer

Slough, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Blockchain Developer with strong skills in Ethereum-based ecosystems. You will be joining a world-class engineering team, contributing across the full stack, from writing performant smart contracts to architecting scalable back-ends and beautiful user-facing interfaces. They will provide exposure and training in: Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging More ❯
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Blockchain Developer

london, south east england, united kingdom
Hybrid / WFH Options
Noir
Blockchain Developer with strong skills in Ethereum-based ecosystems. You will be joining a world-class engineering team, contributing across the full stack, from writing performant smart contracts to architecting scalable back-ends and beautiful user-facing interfaces. They will provide exposure and training in: Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging More ❯
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Blockchain Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Noir
Blockchain Developer with strong skills in Ethereum-based ecosystems. You will be joining a world-class engineering team, contributing across the full stack, from writing performant smart contracts to architecting scalable back-ends and beautiful user-facing interfaces. They will provide exposure and training in: Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging More ❯
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Blockchain Developer - Solidity

Slough, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative Development : Work closely with cross … and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchain technologies. Advanced knowledge of Solidity and smart contract development. Experience building RESTful APIs and web applications. Solid understanding of data structures, algorithms, and distributed systems. Experience with software development best practices, including version control (Git). More ❯
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Blockchain Developer - Solidity

Woking, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative Development : Work closely with cross … and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchain technologies. Advanced knowledge of Solidity and smart contract development. Experience building RESTful APIs and web applications. Solid understanding of data structures, algorithms, and distributed systems. Experience with software development best practices, including version control (Git). More ❯
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Blockchain Developer - Solidity

Reading, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative Development : Work closely with cross … and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchain technologies. Advanced knowledge of Solidity and smart contract development. Experience building RESTful APIs and web applications. Solid understanding of data structures, algorithms, and distributed systems. Experience with software development best practices, including version control (Git). More ❯
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Blockchain Developer - Solidity

Brighton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative Development : Work closely with cross … and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchain technologies. Advanced knowledge of Solidity and smart contract development. Experience building RESTful APIs and web applications. Solid understanding of data structures, algorithms, and distributed systems. Experience with software development best practices, including version control (Git). More ❯
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Blockchain Developer - Solidity

Southampton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative Development : Work closely with cross … and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchain technologies. Advanced knowledge of Solidity and smart contract development. Experience building RESTful APIs and web applications. Solid understanding of data structures, algorithms, and distributed systems. Experience with software development best practices, including version control (Git). More ❯
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Blockchain Developer - Solidity

Portsmouth, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative Development : Work closely with cross … and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchain technologies. Advanced knowledge of Solidity and smart contract development. Experience building RESTful APIs and web applications. Solid understanding of data structures, algorithms, and distributed systems. Experience with software development best practices, including version control (Git). More ❯
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Blockchain Developer

South East London, England, United Kingdom
Hybrid / WFH Options
Fidelity International
partner solutions for DLT implementation; perform risk assessments. Architecture & Standards: Develop and maintain architectural standards, security models, and integration blueprints for blockchain systems. Development & Integration: Deliver hands-on smart contract development and integration with enterprise systems; collaborate closely with vendors and act as an individual contributor where needed. Thought Leadership: Represent Fidelity in industry forums, publish white papers … 7+ years in enterprise IT or software engineering, including 3+ years with blockchain/DLT. Proficient in Ethereum, Hyperledger, or comparable platforms. Hands-on experience developing smart contracts (e.g., Solidity) and integrating blockchain with enterprise systems. Familiarity with financial services, particularly in asset management and fund distribution. Proven ability to design or evaluate tokenization use cases. Strong More ❯
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Blockchain Developer

london, south east england, united kingdom
Hybrid / WFH Options
Fidelity International
partner solutions for DLT implementation; perform risk assessments. Architecture & Standards: Develop and maintain architectural standards, security models, and integration blueprints for blockchain systems. Development & Integration: Deliver hands-on smart contract development and integration with enterprise systems; collaborate closely with vendors and act as an individual contributor where needed. Thought Leadership: Represent Fidelity in industry forums, publish white papers … 7+ years in enterprise IT or software engineering, including 3+ years with blockchain/DLT. Proficient in Ethereum, Hyperledger, or comparable platforms. Hands-on experience developing smart contracts (e.g., Solidity) and integrating blockchain with enterprise systems. Familiarity with financial services, particularly in asset management and fund distribution. Proven ability to design or evaluate tokenization use cases. Strong More ❯
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Blockchain Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Fidelity International
partner solutions for DLT implementation; perform risk assessments. Architecture & Standards: Develop and maintain architectural standards, security models, and integration blueprints for blockchain systems. Development & Integration: Deliver hands-on smart contract development and integration with enterprise systems; collaborate closely with vendors and act as an individual contributor where needed. Thought Leadership: Represent Fidelity in industry forums, publish white papers … 7+ years in enterprise IT or software engineering, including 3+ years with blockchain/DLT. Proficient in Ethereum, Hyperledger, or comparable platforms. Hands-on experience developing smart contracts (e.g., Solidity) and integrating blockchain with enterprise systems. Familiarity with financial services, particularly in asset management and fund distribution. Proven ability to design or evaluate tokenization use cases. Strong More ❯
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Blockchain Developer

slough, south east england, united kingdom
Hybrid / WFH Options
Fidelity International
partner solutions for DLT implementation; perform risk assessments. Architecture & Standards: Develop and maintain architectural standards, security models, and integration blueprints for blockchain systems. Development & Integration: Deliver hands-on smart contract development and integration with enterprise systems; collaborate closely with vendors and act as an individual contributor where needed. Thought Leadership: Represent Fidelity in industry forums, publish white papers … 7+ years in enterprise IT or software engineering, including 3+ years with blockchain/DLT. Proficient in Ethereum, Hyperledger, or comparable platforms. Hands-on experience developing smart contracts (e.g., Solidity) and integrating blockchain with enterprise systems. Familiarity with financial services, particularly in asset management and fund distribution. Proven ability to design or evaluate tokenization use cases. Strong More ❯
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Blockchain Developer

Brighton, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Blockchain Engineer – Smart Contracts, Web3, APIs, Node.js, Go, Rust, Solidity, DeFi – Global Investments – Remote – up to £850 outside IR35 We are working with a growing Global Investment organisation, who are seeking a Senior Blockchain Developer to join their team on a contract basis, supporting the build of … a new digital platform. The successful candidate will be tasked with building secure, scalable smart contracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smart contract deployments) Deep understanding of EVM architecture, blockchain consensus, gas mechanics, and DeFi primitives. … such as Hardhat, Ethers.js, Web3.js, or Foundry. Experience integrating blockchain features into real-world financial or investment products. This is an exciting opportunity to work across smart contracts, protocol integrations, and backend engineering within a regulated environment, creating products that are reshaping the future of investing. *please note that candidates must be based in the UK #J More ❯
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Blockchain Developer

Reading, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Blockchain Engineer – Smart Contracts, Web3, APIs, Node.js, Go, Rust, Solidity, DeFi – Global Investments – Remote – up to £850 outside IR35 We are working with a growing Global Investment organisation, who are seeking a Senior Blockchain Developer to join their team on a contract basis, supporting the build of … a new digital platform. The successful candidate will be tasked with building secure, scalable smart contracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smart contract deployments) Deep understanding of EVM architecture, blockchain consensus, gas mechanics, and DeFi primitives. … such as Hardhat, Ethers.js, Web3.js, or Foundry. Experience integrating blockchain features into real-world financial or investment products. This is an exciting opportunity to work across smart contracts, protocol integrations, and backend engineering within a regulated environment, creating products that are reshaping the future of investing. *please note that candidates must be based in the UK #J More ❯
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Blockchain Developer

Southampton, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Blockchain Engineer – Smart Contracts, Web3, APIs, Node.js, Go, Rust, Solidity, DeFi – Global Investments – Remote – up to £850 outside IR35 We are working with a growing Global Investment organisation, who are seeking a Senior Blockchain Developer to join their team on a contract basis, supporting the build of … a new digital platform. The successful candidate will be tasked with building secure, scalable smart contracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smart contract deployments) Deep understanding of EVM architecture, blockchain consensus, gas mechanics, and DeFi primitives. … such as Hardhat, Ethers.js, Web3.js, or Foundry. Experience integrating blockchain features into real-world financial or investment products. This is an exciting opportunity to work across smart contracts, protocol integrations, and backend engineering within a regulated environment, creating products that are reshaping the future of investing. *please note that candidates must be based in the UK #J More ❯
Posted:

Blockchain Developer

Woking, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Blockchain Engineer – Smart Contracts, Web3, APIs, Node.js, Go, Rust, Solidity, DeFi – Global Investments – Remote – up to £850 outside IR35 We are working with a growing Global Investment organisation, who are seeking a Senior Blockchain Developer to join their team on a contract basis, supporting the build of … a new digital platform. The successful candidate will be tasked with building secure, scalable smart contracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smart contract deployments) Deep understanding of EVM architecture, blockchain consensus, gas mechanics, and DeFi primitives. … such as Hardhat, Ethers.js, Web3.js, or Foundry. Experience integrating blockchain features into real-world financial or investment products. This is an exciting opportunity to work across smart contracts, protocol integrations, and backend engineering within a regulated environment, creating products that are reshaping the future of investing. *please note that candidates must be based in the UK #J More ❯
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Blockchain Developer

Portsmouth, England, United Kingdom
JR United Kingdom
Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job Description: Senior Blockchain Engineer – Smart Contracts, Web3, APIs, Node.js, Go, Rust, Solidity, DeFi – Global Investments – Remote – up to £850 outside IR35 We are working with a growing Global Investment organisation, who are seeking a Senior … to join their team on a contract basis, supporting the build of a new digital platform. The successful candidate will be tasked with building secure, scalable smart contracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smart contract deployments … such as Hardhat, Ethers.js, Web3.js, or Foundry. Experience integrating blockchain features into real-world financial or investment products. This is an exciting opportunity to work across smart contracts, protocol integrations, and backend engineering within a regulated environment, creating products that are reshaping the future of investing. *please note that candidates must be based in the UK #J More ❯
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Blockchain Developer

Crawley, England, United Kingdom
JR United Kingdom
Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job Description: Senior Blockchain Engineer – Smart Contracts, Web3, APIs, Node.js, Go, Rust, Solidity, DeFi – Global Investments – Remote – up to £850 outside IR35 We are working with a growing Global Investment organisation, who are seeking a Senior … to join their team on a contract basis, supporting the build of a new digital platform. The successful candidate will be tasked with building secure, scalable smart contracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smart contract deployments … such as Hardhat, Ethers.js, Web3.js, or Foundry. Experience integrating blockchain features into real-world financial or investment products. This is an exciting opportunity to work across smart contracts, protocol integrations, and backend engineering within a regulated environment, creating products that are reshaping the future of investing. *please note that candidates must be based in the UK #J More ❯
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Blockchain Developer (Web3 / dApps)

Southampton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
outside IR35) focused on developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts for DeFi, NFTs, or tokenized platforms (Solidity, EVM-compatible) Integrate Web3 libraries (e.g. Web3.js, Ethers.js) with frontend dApps and wallet providers Collaborate with UX designers to ensure seamless and … intuitive interactions between smart contracts and user interfaces Optimize smart contracts for security, performance, and low gas usage Maintain clear documentation and participate in audits and peer reviews Key Requirements: 3+ years of hands-on experience in blockchain development Proven track record with Solidity, Ethereum-based contracts, and dApp development Familiarity with wallet More ❯
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Blockchain Developer (Web3 / dApps)

Woking, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
outside IR35) focused on developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts for DeFi, NFTs, or tokenized platforms (Solidity, EVM-compatible) Integrate Web3 libraries (e.g. Web3.js, Ethers.js) with frontend dApps and wallet providers Collaborate with UX designers to ensure seamless and … intuitive interactions between smart contracts and user interfaces Optimize smart contracts for security, performance, and low gas usage Maintain clear documentation and participate in audits and peer reviews Key Requirements: 3+ years of hands-on experience in blockchain development Proven track record with Solidity, Ethereum-based contracts, and dApp development Familiarity with wallet More ❯
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Blockchain Developer (Web3 / dApps)

Brighton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
outside IR35) focused on developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts for DeFi, NFTs, or tokenized platforms (Solidity, EVM-compatible) Integrate Web3 libraries (e.g. Web3.js, Ethers.js) with frontend dApps and wallet providers Collaborate with UX designers to ensure seamless and … intuitive interactions between smart contracts and user interfaces Optimize smart contracts for security, performance, and low gas usage Maintain clear documentation and participate in audits and peer reviews Key Requirements: 3+ years of hands-on experience in blockchain development Proven track record with Solidity, Ethereum-based contracts, and dApp development Familiarity with wallet More ❯
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Blockchain Developer (Web3 / dApps)

Reading, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
outside IR35) focused on developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts for DeFi, NFTs, or tokenized platforms (Solidity, EVM-compatible) Integrate Web3 libraries (e.g. Web3.js, Ethers.js) with frontend dApps and wallet providers Collaborate with UX designers to ensure seamless and … intuitive interactions between smart contracts and user interfaces Optimize smart contracts for security, performance, and low gas usage Maintain clear documentation and participate in audits and peer reviews Key Requirements: 3+ years of hands-on experience in blockchain development Proven track record with Solidity, Ethereum-based contracts, and dApp development Familiarity with wallet More ❯
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Blockchain Developer (Web3 / dApps)

Slough, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
outside IR35) focused on developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts for DeFi, NFTs, or tokenized platforms (Solidity, EVM-compatible) Integrate Web3 libraries (e.g. Web3.js, Ethers.js) with frontend dApps and wallet providers Collaborate with UX designers to ensure seamless and … intuitive interactions between smart contracts and user interfaces Optimize smart contracts for security, performance, and low gas usage Maintain clear documentation and participate in audits and peer reviews Key Requirements: 3+ years of hands-on experience in blockchain development Proven track record with Solidity, Ethereum-based contracts, and dApp development Familiarity with wallet More ❯
Posted:

Blockchain Developer (Web3 / dApps)

Portsmouth, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
outside IR35) focused on developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams. Key Responsibilities: Develop and deploy smart contracts for DeFi, NFTs, or tokenized platforms (Solidity, EVM-compatible) Integrate Web3 libraries (e.g. Web3.js, Ethers.js) with frontend dApps and wallet providers Collaborate with UX designers to ensure seamless and … intuitive interactions between smart contracts and user interfaces Optimize smart contracts for security, performance, and low gas usage Maintain clear documentation and participate in audits and peer reviews Key Requirements: 3+ years of hands-on experience in blockchain development Proven track record with Solidity, Ethereum-based contracts, and dApp development Familiarity with wallet More ❯
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