About the company
LI.FI provides cross-chain bridge & DEX aggregation to power next-gen DeFi projects with superior UX.
Job Summary
What you’ll do
📍Design, develop, and maintain backend systems and APIs, with a strong emphasis on clear, consistent, and well-versioned API design 📍Take ownership of API contracts and backend interfaces used by frontend applications and partner-facing systems 📍Contribute to the architecture of scalable and robust backend solutions that support growing usage and evolving product needs 📍Maintain high engineering standards through code reviews, thoughtful abstractions, and clean, readable code 📍Identify performance bottlenecks and optimize system behavior, data access patterns, and caching strategies 📍Implement and maintain monitoring, logging, and debugging tooling to ensure high availability and operational confidence 📍Build and maintain comprehensive test suites, including unit, integration, and end-to-end tests 📍Act as a senior technical contributor within the team, supporting other engineers through collaboration, reviews, and design discussions 📍Analyze complex technical problems and propose pragmatic, production-ready solutions 📍Document APIs, systems, and technical decisions to support knowledge sharing and onboarding
What makes a good candidate
📍Must be located in the EMEA region 📍Strong professional experience with TypeScript and Node.js 📍Extensive experience working as a senior backend engineer on production systems 📍Proven ability to design clean, maintainable, and scalable APIs 📍Solid understanding of document databases and caching systems (e.g. MongoDB, Redis) 📍Experience with backend architecture and system design in distributed environments
If you’re passionate about blockchain and decentralized technologies, explore more opportunities in web3 and cryptocurrency careers.




