26 to 30 of 30 Blockchain Engineer Jobs in the UK

TechHavenLabs seeks a Blockchain Backend Developer to build and maintain the backend that connects our products to EVM networks and smart contracts. You will own RPC communication, event indexing, transaction monitoring, persistence, and on-chain/off-chain synchronization. Join a team building two main platforms and collaborating with … smart-contract, Web3, and full‐stack engineers. You will implement robust APIs, logging, tests, and reliable processing against complex blockchain data. #J-18808-Ljbffr ...

Chainlink Labs is seeking a Senior Software Engineer to advance the reliability, scalability, and operational excellence of the Chainlink Runtime Environment (CRE) platform. You will design and build distributed systems that enable resilient workflow execution and support growth of this flagship product. You will design, build, and operate scalable ...

Chainalysis is seeking a Senior Software Engineer to design and evolve scalable blockchain data pipelines and services. You will work with Java and TypeScript to build AI-assisted features, ensuring reliability and performance for data processing across crypto datasets. The role emphasizes ownership of end-to-end lifecycle ...

Fireblocks is seeking a Backend/Full‐Stack Engineer to design and operate scalable backend services for high‐volume on‐chain transaction flows across multiple blockchain networks (EVM and non‐EVM). You will own APIs end‐to‐end, integrate with DeFi protocols, and collaborate with product … research teams to deliver secure, reliable systems. You have 7+ years of backend experience, blockchain/Web3 expertise, and strong knowledge of security principles. #J-18808-Ljbffr ...

Fanatics Markets in the United Kingdom is seeking a Software Engineer III (Backend) to own and scale the web backend used by our prediction and trading app. You will lead design and implementation of scalable Go services, collaborate with product and other engineers, and establish AI-assisted development practices ...