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 smartcontracts 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 ❯
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 smartcontracts 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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
eTeam Inc
of experience: 5-8 yearsDetailed Job Description:1. Proven experience in blockchain development2.Strong understanding of Web 3 protocols, decentralized systems, and cryptographic principles.3.Experience developing and deploying smartcontracts and working with tools like Hardhat, Truffle, or Foundry.4.Ability to critically assess and challenge third-party technical solutions and architectures.5.Familiarity with banking systems, financial regulations, and enterprise-grade security … Python, or Go.7.Experience with version control (Git) and CICD pipelines.8.Excellent communication skills and the ability to work in a collaborative, fast-paced environment9.Experience developing and deploying smartcontracts and working with tools like Hardhat and Truffle.5.Familiarity with banking systems, financial regulations, and enterprise-grade security standards More ❯
APIs, with knowledge of API security being advantageous, - Familiarity with Test-Driven Development (TDD) and related testing tools Understanding of the Software Development Life Cycle (SDLC) - Exposure to smartcontract programming (e.g., EVM, DAML) on public or private blockchains is a plus - Experience with tokenized financial assets (e.g., Debt Securities, Equities, Loans, Funds), including full lifecycle processing: issuance More ❯
Social network you want to login/join with: Senior Blockchain Engineer – SmartContracts, 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 smartcontracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smartcontract 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 smartcontracts, 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 ❯
Social network you want to login/join with: Senior Blockchain Engineer – SmartContracts, 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 smartcontracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smartcontract 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 smartcontracts, 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 ❯
Social network you want to login/join with: Senior Blockchain Engineer – SmartContracts, 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 smartcontracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smartcontract 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 smartcontracts, 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 ❯
Social network you want to login/join with: Senior Blockchain Engineer – SmartContracts, 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 smartcontracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smartcontract 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 smartcontracts, 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 ❯
Social network you want to login/join with: Senior Blockchain Engineer – SmartContracts, 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 smartcontracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smartcontract 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 smartcontracts, 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 ❯
Social network you want to login/join with: Senior Blockchain Engineer – SmartContracts, 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 smartcontracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smartcontract 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 smartcontracts, 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 ❯
Social network you want to login/join with: Senior Blockchain Engineer – SmartContracts, 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 smartcontracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smartcontract 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 smartcontracts, 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 ❯
Social network you want to login/join with: Senior Blockchain Engineer – SmartContracts, 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 smartcontracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smartcontract 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 smartcontracts, 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 ❯
Social network you want to login/join with: Senior Blockchain Engineer – SmartContracts, 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 smartcontracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smartcontract 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 smartcontracts, 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 ❯
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 – SmartContracts, 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 smartcontracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smartcontract 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 smartcontracts, 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 ❯
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 – SmartContracts, 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 smartcontracts and backend systems powering tokenized assets and multi-chain infrastructure. Required skills: 5+ years of backend/blockchain development (including 2+ years on live smartcontract 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 smartcontracts, 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 ❯
Bath, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities SmartContract Development : Design, develop, and deploy secure and efficient smartcontracts 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 smartcontract 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 ❯
Woking, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities SmartContract Development : Design, develop, and deploy secure and efficient smartcontracts 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 smartcontract 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 ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities SmartContract Development : Design, develop, and deploy secure and efficient smartcontracts 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 smartcontract 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 ❯
Aberdeen, Scotland, United Kingdom Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities SmartContract Development : Design, develop, and deploy secure and efficient smartcontracts 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 smartcontract 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 ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities SmartContract Development : Design, develop, and deploy secure and efficient smartcontracts 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 smartcontract 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 ❯
Reading, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities SmartContract Development : Design, develop, and deploy secure and efficient smartcontracts 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 smartcontract 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 ❯
Brighton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities SmartContract Development : Design, develop, and deploy secure and efficient smartcontracts 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 smartcontract 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 ❯
Southampton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities SmartContract Development : Design, develop, and deploy secure and efficient smartcontracts 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 smartcontract 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 ❯
Glasgow, Scotland, United Kingdom Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities SmartContract Development : Design, develop, and deploy secure and efficient smartcontracts 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 smartcontract 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 ❯
Portsmouth, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities SmartContract Development : Design, develop, and deploy secure and efficient smartcontracts 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 smartcontract 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 ❯