Full Stack Engineer, Blockchain
Fireblocksabout 5 hours ago
London, United KingdomSenior / Staff+
H1B Sponsor
Responsibilities
- Design and build scalable backend services for high-volume on-chain transactions.
- Own end-to-end development of backend components and APIs.
- Lead integrations with DeFi protocols and blockchain nodes.
- Research and evaluate emerging blockchain technologies and standards.
- Optimize production systems for performance, reliability, and security.
- Collaborate with product, protocol research, and platform engineering teams.
- Drive features from inception to delivery at scale.
Requirements
- 7+ years of experience as a Backend or Full Stack Engineer.
- Bachelor of Science (B.Sc.) or equivalent degree/experience.
- Deep understanding of blockchain and Web3 technologies.
- Proven experience with multiple blockchain ecosystems, both EVM and non-EVM.
- Proficiency in Node.js and TypeScript.
- Experience designing and operating microservices in production CI/CD environments.
- Strong understanding of security principles and cryptography in blockchain.
- Familiarity with DeFi protocols is a strong advantage.
- Experience with Web3 tooling and libraries.
- Demonstrated experience taking products from inception to delivery at scale.
Benefits
- Work at the frontier of blockchain infrastructure with real impact.
- Tackle challenging engineering problems in a fast-growing company.
- Collaborate with world-class engineers and researchers.
- Competitive compensation and meaningful equity.
- Culture that rewards ownership and initiative.