London, England, United Kingdom Hybrid / WFH Options
IO Global
Virtualization using Docker. Experience working with Git, SDLC, and various CI/CD tools (e.g., GitHub Actions). Understanding of blockchain technology, including consensus algorithms and smartcontracts). Detail-oriented with the ability to create and maintain comprehensive delivery documentation and market-facing demos. Proficiency in utilizing appropriate systems, tools, and techniques for measuring performance (such More ❯
London, England, United Kingdom Hybrid / WFH Options
iome
skills, including the ability to write automated test scripts and establish and maintain CI/CD pipelines. Strong understanding of blockchain technology, including consensus algorithms and smartcontracts (a plus). Sound knowledge of software development life cycle (SDLC) methodologies, including Agile and DevOps practices. Benefits Remote work Laptop reimbursement New starter package to buy hardware essentials More ❯
London, England, United Kingdom Hybrid / WFH Options
Input Output (IOHK)
with TypeScript, JavaScript, node.js, Rust, and scripting. Proficiency with Linux, Docker, Git, SDLC, CI/CD tools (e.g., GitHub Actions). Knowledge of blockchain technology, consensus algorithms, and smart contracts. Attention to detail in documentation and demos. Ability to utilize performance measurement tools (e.g., JIRA, Github, Agile, Scrum). Adaptability to fast-paced environments. Are you an IOGer More ❯
London, England, United Kingdom Hybrid / WFH Options
Chainlink Labs
who are all committed to building world-changing decentralized infrastructure. You’ll develop and build highly scalable, secure, and reliable software that will change the way smartcontracts function at a fundamental level. You will be given a high level of autonomy/ownership over your projects, the opportunity to expand your scope of knowledge, and the More ❯
chain projects from conception to deployment. Your Impact Your primary focus will be on the design, development, testing, and deployment of robust, secure, and gas-efficient smartcontracts that facilitate cross-chain interactions. This includes: Designing and Implementing CCIP-Integrated SmartContracts: You will independently own the development and deployment of custom smartcontracts that interact with CCIP, including token pool contracts and other on-chain logic required for specific partner use cases. This involves a deep understanding of token handling (minting, burning, locking, unlocking, wrapping) and ensuring secure asset management. Developing Reusable On-Chain Patterns: Create and refine standardised smartcontract templates, libraries, and deployment patterns … Managers, and other Engineering teams to translate partner requirements into robust on-chain solutions. You'll also provide technical guidance to partners on integrating with the smartcontracts you build. Technical Documentation: Produce clear and comprehensive technical documentation, including deployment guides and integration instructions, for the smartcontracts and on-chain systems you develop. More ❯
London, England, United Kingdom Hybrid / WFH Options
P2P
chain projects from conception to deployment. Your Impact Your primary focus will be on the design, development, testing, and deployment of robust, secure, and gas-efficient smartcontracts that facilitate cross-chain interactions. This includes: Designing and Implementing CCIP-Integrated SmartContracts: You will independently own the development and deployment of custom smartcontracts that interact with CCIP, including token pool contracts and other on-chain logic required for specific partner use cases. This involves a deep understanding of token handling (minting, burning, locking, unlocking, wrapping) and ensuring secure asset management. Developing Reusable On-Chain Patterns: Create and refine standardised smartcontract templates, libraries, and deployment patterns … Managers, and other Engineering teams to translate partner requirements into robust on-chain solutions. You'll also provide technical guidance to partners on integrating with the smartcontracts you build. Technical Documentation: Produce clear and comprehensive technical documentation, including deployment guides and integration instructions, for the smartcontracts and on-chain systems you develop. More ❯
London, England, United Kingdom Hybrid / WFH Options
Smart Transactions
About Smart Transactions Smart Transactions ( stxn.io ) was founded by Vlad Zamfir, Ethereum foundation researcher and Ethereum founding architect who engineered the proof of stake transition, with the mission to unlock programmability for transactions on Ethereum. We are the first to enable transaction automation on solidity which will unlock never before possible transaction capabilities across defi, protocols … wallets and smart contracts. We raised our pre-seed round in the summer of 2023 and are launching our MVP in Q2 2024. We are a small team of elite and hungry minds of all genders, ethnicities and backgrounds spanning blockchain, finance, tradfi and defi as well as AI, and social sciences. As we grow and expand our More ❯
London, England, United Kingdom Hybrid / WFH Options
Chainalysis
security, helping blockchains, DeFi protocols, asset managers, and exchanges detect and mitigate all types of on-chain risks and threats. Our solutions proactively monitor and analyze smartcontracts, transactions, wallets, and blockchain interactions to prevent financial crime and exploits before they happen. We work with some of the largest players in crypto and DeFi, secure tens of … Help prospects evaluate Hexagate’s capabilities, align solutions with their risk profile, and build proof-of-concepts Design and deploy customized real-time monitoring solutions for smartcontracts, transactions, and blockchain entities Lead technical onboarding and solution deployment, including custom monitor rules, API integrations, and alerting workflows Assist with integrations into customer pipelines and tools Provide ongoing … candidates who have : 3+ years of experience in a technical role such as Solutions Engineer, Security Engineer, Sales Engineer, or Blockchain Analyst Strong knowledge of Web3 security, including smartcontract vulnerabilities, DeFi risks, and blockchain transaction monitoring Hands-on programming experience and APIs for data integrations and monitoring configurations Ability to read Solidity and analyze smartMore ❯
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. Full-Stack Development : Build and maintain scalable front-end and back-end systems using Node.js and … 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. Strong proficiency in Node.js and React (or similar JavaScript frameworks). Experience building RESTful APIs and web applications. Solid understanding of data structures, algorithms, and distributed systems. More ❯
squads, to build the future of our SaaS/API-first products . You will report to our Head of Software, and collaborate with the Product, Infrastructure and Smart-Contract teams to work on the various products that Kiln's offers. Responsibilities: Contribute to architectural decisions and technical strategy. Develop and implement software features in our Golang services …/Kubernetes), and Continuous Integration. Ability to ship opinionated architectural choices and code, and to share software best practices. Proven interest in Web3, blockchain, cryptocurrency and smartcontracts - check our Tech Blog and Open-Source Contribution Fluent (written and spoken) in French and English. Nice-to-have: Previous experience working within a certified environment (SOC2, ISO … PCI DSS, HIPAA ) Genuine interest in Web3, blockchain, cryptocurrency and smartcontracts - check our Tech Blog and Open-Source Contribution About Kiln: Kiln is the leading enterprise-grade rewards platform that enables institutional customers to stake assets and integrate staking & DeFi functionality into their offerings. Our API-first platform provides fully automated validators, staking & DeFi protocols access More ❯
London, England, United Kingdom Hybrid / WFH Options
Tezos
non-technical stakeholders Stay current with blockchain technology trends and bring innovative solutions to the team Requirements Strong understanding of the Ethereum/EVM ecosystem, including smartcontracts, Web3.js/ethers.js, and related technologies Proven experience building dApps or blockchain infrastructure components Full-stack development capabilities (JavaScript/TypeScript, React, Node.js, or similar technologies) Experience with DevOps … including product managers, designers, and business teams Passion for blockchain technology and interest in contributing to the Etherlink blockchain ecosystem Nice to Have Experience with Solidity or other smartcontract languages Familiarity with Layer 2 scaling solutions Experience with blockchain testing frameworks and security best practices Previous work on cross-chain integrations or interoperability solutions Open-source contributions More ❯
London, England, United Kingdom Hybrid / WFH Options
Input Output (IOHK)
CD tools (GitHub Actions etc) Performance and security testing experience would be a plus Solid understanding of blockchain technology, including distributed ledger concepts, consensus algorithms, and smartcontracts (a plus) Experience with TypeScript and JavaScript is advantageous Demonstrated understanding of blockchain technology, including consensus algorithms and smartcontracts (desirable) Proven experience in managing and 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
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 ❯
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 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, England, United Kingdom Hybrid / WFH Options
Noir Consulting
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 ❯
technology and its application in 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 or have strong tech curiosity More ❯
years Detailed Job Description: 1. Proven experience in blockchain development 2.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 … 7.Experience with version control (Git) and CICD pipelines. 8.Excellent communication skills and the ability to work in a collaborative, fast-paced environment 9.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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
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 ❯