Serverless whenever possible. Our backend engineering team develops architectures that are scalable from day 1, with no single points of failure. SmartContracts: Primarily the ERC20 stack but across technologies such as Ethereum, Polygon, chainlink etc. Operations: Our AWS services are fully managed via infrastructure as code. … errors. As a small team, code quality is a top priority, so we maintain high standards for cleanliness and structure. Code smartcontracts: We have a couple behind us already but you'll be driving the coding of smartcontracts and everything that comes … candidate can see the bigger picture and architect both front end and back-end systems to accomplish product goals. Experience with smartcontracts, ERC-20, web3 and ethers.js . While you'll primarily work with Node.JS/TypeScript, experience in DevOps is a plus. This role is More ❯
south west london, south east england, United Kingdom Hybrid / WFH Options
V7 Recruitment
Role Overview: We’re seeking a highly skilled and self-motivated Blockchain Developer to design and develop smartcontracts and decentralized applications. This is a contract role suited for developers who thrive in dynamic environments and are excited about building secure, scalable blockchain platforms. This is a … remote 3 month rolling contract with the potential for extension. Key Responsibilities: Design, develop, and deploy smartcontracts and decentralized applications (dApps) on blockchain platforms such as Ethereum, Hyperledger, or Solana. Write efficient, secure code using languages like Solidity, Rust, or Go. Integrate blockchain solutions with existing … systems and APIs. Optimize and troubleshoot smartcontracts and blockchain infrastructure. Collaborate with front-end developers, DevOps, and product stakeholders to deliver end-to-end solutions. Stay current with emerging blockchain technologies and trends. Key Requirements: Proven experience in developing blockchain applications and smart contracts. More ❯
west london, south east england, United Kingdom Hybrid / WFH Options
V7 Recruitment
Role Overview: We’re seeking a highly skilled and self-motivated Blockchain Developer to design and develop smartcontracts and decentralized applications. This is a contract role suited for developers who thrive in dynamic environments and are excited about building secure, scalable blockchain platforms. This is a … remote 3 month rolling contract with the potential for extension. Key Responsibilities: Design, develop, and deploy smartcontracts and decentralized applications (dApps) on blockchain platforms such as Ethereum, Hyperledger, or Solana. Write efficient, secure code using languages like Solidity, Rust, or Go. Integrate blockchain solutions with existing … systems and APIs. Optimize and troubleshoot smartcontracts and blockchain infrastructure. Collaborate with front-end developers, DevOps, and product stakeholders to deliver end-to-end solutions. Stay current with emerging blockchain technologies and trends. Key Requirements: Proven experience in developing blockchain applications and smart contracts. More ❯
an open-source platform known for its flexibility, security, and self-amendment capabilities. It's built to empower developers to create smartcontracts and decentralised applications with ease. Today, the Tezos ecosystem is made up of thousands of passionate community members actively involved in various projects and … initiatives including the development of decentralised applications, smartcontracts, and educational content. The Role The Core Tezos X team is developing the next-generation Layer 2 solutions on Tezos - a highly scalable computation platform enabling new blockchain use cases. This is a technically challenging role that allows More ❯
an open-source platform known for its flexibility, security, and self-amendment capabilities. It's built to empower developers to create smartcontracts and decentralised applications with ease. Today, the Tezos ecosystem is made up of thousands of passionate community members actively involved in various projects and … initiatives including the development of decentralised applications, smartcontracts, and educational content. We're proud to partner with the likes of Manchester United, Ubisoft, and Societe Generale (to name a few). Some of the exciting projects built on the Tezos blockchain are (fx)hash Kord.fi and More ❯
carbon offset tokenisation system on Hyperledger Besu . This role involves designing and delivering a secure, permissioned blockchain network and developing smartcontracts for the minting, verification, and retirement of tokenised carbon credits. You'll take the lead from network configuration through to testnet deployment and audit … collaborating with a small, agile team committed to sustainability and decentralised innovation. Key responsibilities include: Developing ERC-20/1155-compatible smartcontracts with embedded metadata (e.g., project ID, vintage year, verification body). Setting up a multi-node Besu network using IBFT 2.0 or QBFT consensus. More ❯
west london, south east england, United Kingdom Hybrid / WFH Options
TEC Partners - Technical Recruitment Specialists
carbon offset tokenisation system on Hyperledger Besu . This role involves designing and delivering a secure, permissioned blockchain network and developing smartcontracts for the minting, verification, and retirement of tokenised carbon credits. You’ll take the lead from network configuration through to testnet deployment and audit … collaborating with a small, agile team committed to sustainability and decentralised innovation. Key responsibilities include: Developing ERC-20/1155-compatible smartcontracts with embedded metadata (e.g., project ID, vintage year, verification body). Setting up a multi-node Besu network using IBFT 2.0 or QBFT consensus. More ❯
south west london, south east england, United Kingdom Hybrid / WFH Options
TEC Partners - Technical Recruitment Specialists
carbon offset tokenisation system on Hyperledger Besu . This role involves designing and delivering a secure, permissioned blockchain network and developing smartcontracts for the minting, verification, and retirement of tokenised carbon credits. You’ll take the lead from network configuration through to testnet deployment and audit … collaborating with a small, agile team committed to sustainability and decentralised innovation. Key responsibilities include: Developing ERC-20/1155-compatible smartcontracts with embedded metadata (e.g., project ID, vintage year, verification body). Setting up a multi-node Besu network using IBFT 2.0 or QBFT consensus. More ❯
major verticals. Our team of experienced product managers, designers, and engineers work together to create innovative products and services that enable smartcontracts to securely access off-chain data and systems. With a focus on user-centered design, we strive to create intuitive and seamless experiences for … CEO to grow our product from success in decentralized finance (DeFi) to a reliable and scalable oracle platform driving the next phase in smartcontract growth on the blockchain. Your Impact Lead a team of product managers and collaborate with cross-functional teams to drive priorities and strategic … MVPs into reliable and scalable products of blockchain oracles that will power the future of DeFi and other distributed, trust-less smartcontracts Requirements Experience working in a financial institution, preferably in a trading role Demonstrated skills of ownership and ability to drive/release products that More ❯
an open-source platform known for its flexibility, security, and self-amendment capabilities. It's built to empower developers to create smartcontracts and decentralised applications with ease. Today, the Tezos ecosystem is made up of thousands of passionate community members actively involved in various projects and … initiatives including the development of decentralised applications, smartcontracts, and educational content. We're proud to partner with the likes of Manchester United, Ubisoft, and Societe Generale (to name a few). Some of the exciting projects built on the Tezos blockchain are (fx)hash Kord.fi and More ❯
west london, south east england, United Kingdom Hybrid / WFH Options
Solas IT Recruitment
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. Full-Stack Development : Build and maintain scalable front-end and back … 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. Strong proficiency in Node.js and React (or similar JavaScript frameworks). Experience building RESTful APIs and web applications. Solid understanding of data More ❯
south west london, south east england, United Kingdom Hybrid / WFH Options
Solas IT Recruitment
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. Full-Stack Development : Build and maintain scalable front-end and back … 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. Strong proficiency in Node.js and React (or similar JavaScript frameworks). Experience building RESTful APIs and web applications. Solid understanding of data More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Noir
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 More ❯
different use cases. Ability to work independently in a fast-paced and evolving environment. Genuine interest in Web3 , blockchain, cryptocurrency, and smartcontracts Check our Tech Blog and Open-Source Contribution Nice-to-have: Additional language skills (in particular,any country from EMEA). Understand tech concepts More ❯
equity package, on a standard vesting schedule Impact & Exposure : Work at the leading edge of innovation building our machine-learning powered smartcontracts for fraud prevention Growth : An opportunity to wear many hats, and grow into a role you can inform Hybrid work: Work from office More ❯
equity package, on a standard vesting schedule Impact & Exposure: Work at the leading edge of innovation building our machine-learning powered smartcontracts for fraud prevention Growth: An opportunity to wear many hats, and grow into a role you can inform Hybrid work: Flexibility to work from More ❯
/analytic skills High level understanding of high-frequency market making strategies Understanding of blockchain fundamentals and mechanics of the EVM Familiarity with smartcontract development and the Foundry toolkit A passion for learning about protocol microstructure and design mechanisms Note: Although we are unable to accept fully More ❯
Tezos ecosystem. Directly overseeing an engineering function of around 30 including managers and engineers (plus numerous external vendors) developing tooling, infrastructure, smartcontracts and decentralised applications. As part of the leadership team, you'll work closely with the Co-Founder of Tezos and have the opportunity to More ❯
south west london, south east england, United Kingdom Hybrid / WFH Options
Solas IT Recruitment
Remote Role (UK/ROI eligibility required) Tech Stack: Solidity, Go, Rust, Node.js, React, PostgreSQL, C# What You'll Do: Develop smartcontracts and dApps on Ethereum-compatible platforms Dive into L2 architecture and scaling solutions like Rollups and sidechains Collaborate in Agile teams, contributing to coding More ❯
west london, south east england, United Kingdom Hybrid / WFH Options
Solas IT Recruitment
Remote Role (UK/ROI eligibility required) Tech Stack: Solidity, Go, Rust, Node.js, React, PostgreSQL, C# What You'll Do: Develop smartcontracts and dApps on Ethereum-compatible platforms Dive into L2 architecture and scaling solutions like Rollups and sidechains Collaborate in Agile teams, contributing to coding More ❯
hear your recommendation(s) on tooling and implementation strategy. Disaster recovery and security tooling – ensure platform resilience and safe deployment of backend and smartcontract code. Event-driven architecture – where you will be building, supporting and running scalable systems that can handle millions of users per day. You More ❯
hear your recommendation(s) on tooling and implementation strategy. Disaster recovery and security tooling – ensure platform resilience and safe deployment of backend and smartcontract code. Event-driven architecture – where you will be building, supporting and running scalable systems that can handle millions of users per day. You More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Prism Digital
hear your recommendation(s) on tooling and implementation strategy. Disaster recovery and security tooling – ensure platform resilience and safe deployment of backend and smartcontract code. Event-driven architecture – where you will be building, supporting and running scalable systems that can handle millions of users per day. You More ❯
SQL and Python. Can optimise queries for huge datasets. Has a solid understanding of blockchain ecosystem elements like DeFi, Exchanges, Wallets, SmartContracts, mixers and privacy services. Bonus Experience: Databricks and PySpark Analysing blockchain data Building and maintaining data pipelines Deploying machine learning models Use of graph More ❯
build the core services that power their products. Responsibilities: Design and build scalable backend services using AWS Lambada and API Gateway Collaborate with smartcontract developers to align contract and backend logic Work on their on-chain lottery project, and build out new projects Requirements: Strong experience with More ❯