5 of 5 Remote/Hybrid Blockchain Jobs in Hertfordshire

volume systems. Preferred (Bonus) Skills Experience in payment orchestration platforms. Knowledge of Visa/Mastercard processing flows. Experience working with chargeback automation. Familiarity with blockchain/crypto payments. DevOps hands-on exposure. Experience in fraud detection systems. What We're Looking For We don't want just a developer. ...

push back when necessary · Energised by start-up environments where ownership is real · Bonus points for IoT platforms, edge AI, GPU compute, or blockchain exposure. Why This Matters This is a nine-year-old UK technology business that has moved from academic roots to patented, commercially relevant security infrastructure. ...

zero-knowledge experience (SP1 or RISC Zero) Understanding of cryptoeconomic and adversarial design principles Proficiency in Solidity and smart contract integration Experience delivering secure blockchain infrastructure This is a high-impact opportunity for an experienced Protocol Engineer to operate at the core of next-generation decentralised infrastructure, shaping protocol architecture ...

Company Description Cryptoiex, founded in 2019, is an Estonia-based blockchain platform designed to make cryptocurrency trading fast and easy. The platform provides lightning-fast trade execution, dependable digital wallets, and top-tier security practices. With a mission to simplify the exchange process, Cryptoiex actively contributes to the crypto community … full-time remote role for a Smart Contract Developer. The developer will be responsible for designing, implementing, and testing smart contracts on blockchain platforms. Daily tasks will include reviewing and optimizing contract performance, conducting code audits to ensure security and efficiency, and collaborating with teams to understand project requirements. Additional ...

RESTful principles to ensure maintainability and performance. Full‐Stack Development Work across the stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit … Experience • 6+ years of professional software development experience • Strong knowledge of Node.js, TypeScript, NestJS, ReactJS, and PostgreSQL • 2+ years of hands‐on experience with blockchain or Web3 systems Collaboration & Communication Clear communicator who works effectively in a dynamic, agile environment. Mindset & Culture Fit We value: • Proactivity • Curiosity and continuous learning ...