51 to 75 of 304 Smart Contracts Jobs in the UK

cyber forensics, finance, economics, mathematics, engineering, or a related field. Experience with blockchain analytics tools (Chainalysis, TRM Labs, Elliptic, etc.); certification preferred. Strong understanding of blockchain, smart contracts, DeFi, and crypto ecosystems. Knowledge of financial regulations (FinCEN, FFIEC, AML guidelines). Strong analytical, investigative, and organizational skills. Advanced proficiency in Excel and Office Suite. Experience with data More ❯

engineering teams, with a track record of successfully delivering complex technical projects. Hands-on experience with blockchain technologies, with at least deep knowledge in Ethereum, Bitcoin, smart contracts, and decentralized finance (DeFi) applications, and the broader industry landscape. Strong problem-solving skills, thinking strategically and translating business needs into technical solutions. Thrive in a fast-paced, rapidly More ❯

engineering teams, with a track record of successfully delivering complex technical projects. Hands-on experience with blockchain technologies, with at least deep knowledge in Ethereum, Bitcoin, smart contracts, and decentralized finance (DeFi) applications, and the broader industry landscape. Strong problem-solving skills, thinking strategically and translating business needs into technical solutions. Thrive in a fast-paced, rapidly More ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

industry. This role requires in-person attendance, highlighting our commitment to collaboration and teamwork. As a Solidity Developer, you will be instrumental in developing and implementing smart contracts, leveraging your expertise in blockchain technology to drive innovative solutions. Join us and be part of a dynamic team focused on advancing accounting practices through cutting-edge technology. Applicants … should possess a solid understanding of blockchain technology and smart contract development, with demonstrated experience in programming and problem-solving capabilities. Strong analytical skills, attention to detail, and the ability to work collaboratively within a team environment are essential. Candidates should also exhibit flexibility in adapting to evolving project requirements and show a commitment to maintaining high standards … skills, both written and verbal, are vital for collaborating with diverse stakeholders. Familiarity with accounting principles or financial systems may be advantageous. Responsibilities: Design and implement smart contracts using Solidity, ensuring optimal performance and security. Collaborate with cross-functional teams to gather requirements and translate them into technical specifications. Conduct thorough testing and debugging of smart More ❯

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 ❯

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 ❯

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 ❯

maintain end-to-end features across the Mintus platform — from intuitive front-end interfaces to robust, secure backend services. -Build scalable APIs and services to support tokenisation workflows, smart contract interactions, and AI-driven decision tools. -Collaborate cross-functionally with design, product, and AI teams to translate business needs into powerful user experiences. -Optimise performance across the stack … and event-driven architecture. -Solid experience with cloud services (AWS, GCP or equivalent), CI/CD, and containerisation tools like Docker. -Familiarity with blockchain fundamentals and smart contracts is a strong plus. -Strong problem-solving skills and a proactive, ownership-driven mindset. -Comfortable working in a fast-paced, agile environment with evolving requirements. Bonus Points For -Experience More ❯

maintain end-to-end features across the Mintus platform — from intuitive front-end interfaces to robust, secure backend services. -Build scalable APIs and services to support tokenisation workflows, smart contract interactions, and AI-driven decision tools. -Collaborate cross-functionally with design, product, and AI teams to translate business needs into powerful user experiences. -Optimise performance across the stack … and event-driven architecture. -Solid experience with cloud services (AWS, GCP or equivalent), CI/CD, and containerisation tools like Docker. -Familiarity with blockchain fundamentals and smart contracts is a strong plus. -Strong problem-solving skills and a proactive, ownership-driven mindset. -Comfortable working in a fast-paced, agile environment with evolving requirements. Bonus Points For -Experience More ❯

implementation of blockchain solutions, overseeing the technical architecture and ensuring scalable, secure, and efficient blockchain systems. Key Responsibilities: Design and architect blockchain solutions including protocols, consensus mechanisms, and smart contracts. Develop technical specifications and system architecture documentation. Lead the evaluation and selection of blockchain platforms and technologies. Guide development teams on blockchain implementation and best practices. Ensure security … scalability, and performance of blockchain solutions. Review and optimize smart contract code and blockchain infrastructure. Collaborate with stakeholders to translate business requirements into technical solutions. Provide technical mentorship and expertise to development teams. Required Qualifications: Strong expertise in blockchain platforms (Ethereum etc.). Proficiency in smart contract development and languages (Solidity, etc.). Experience with cryptography … and consensus mechanisms. Strong understanding of distributed systems and P2P networks. Knowledge of web3 technologies and DApp development. Smart contract development and auditing. Blockchain protocols and consensus algorithms. Distributed ledger technologies. Cryptography and security principles. Programming languages (Solidity, Go, Rust, JavaScript). Web3.js, Truffle, Hardhat, or similar frameworks. Ideal Background: Experience with Layer 2 scaling solutions. Knowledge of More ❯

adoption. Although the role is remote-friendly, it is preferred that you are located and working within the GMT-PST time zones for coordination purposes. Responsibilities Work with smart contract engineers to design and implement a functional user-friendly experience for Web3 technologies. Collaborate with Product, Design, and Engineering teams to define, prioritize and develop solutions/features … for Web3 products. Collaborate with frontend, backend, and smart contract developers. Own and plan projects and products end to end for long-term impact - including UI, backend, testing, etc. Help identify friction points and implement solutions to improve potential bottlenecks in the development process. Requirements 5+ years of relevant experience building clean, maintainable, and well-tested code in More ❯

with EVM, Solana, and other blockchain ecosystems. Minimum 3 years experience using JavaScript/TypeScript, NodeJS, and relevant SDKs (e.g. web3.js , ethers.js ). Deep understanding of Smart Contracts, AMM, Farming, etc. Experience with websocket programming. Experience with Linux system programming. Good to have: Trading system experience in connectivity, model pricing. Good to have: Experience with C++ and More ❯

with our global team of researchers, developers, and industry experts to advance the capabilities and trustworthiness of blockchain technologies. Your primary responsibilities will include: Designing, developing, and deploying smart contracts. Building and integrating solutions on Hedera and XRPL (XRP Ledger) platforms. Collaborating with cross-functional teams to define, design, and deliver new features. Ensuring the performance, security, and … with the latest advancements in blockchain technology and best practices. Skill requirements Proven experience as a Blockchain Developer or in a similar role. Strong proficiency in Solidity and smart contract development. Demonstrable experience with Hedera and XRPL (XRP Ledger). Familiarity with other blockchain platforms and technologies is a plus. Solid understanding of cryptography, consensus algorithms, and decentralised More ❯

or related discipline plus at least 4 years of progressive experience developing software applications is required. Proficiency in programming languages like Python and/or C++. Experience with smart contract development in Solidity or Rust is a plus. Familiarity with Web3, DeFi protocols, EVM, DAOs, and NFTs is a plus. Excellent attention to detail and accuracy and a More ❯

DeFi protocols, middleware layers, and L1/L2 innovations . Experience creating research content that informs investment, product, or strategic decisions. Comfort in both technical analysis (e.g., reading smart contract data, on-chain metrics) and macroeconomic context . Shape the future of blockchain and Web3 ecosystems. Collaborate with top talent in a global, fast-moving team. Gain exposure More ❯