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Senior Backend Engineer (Remote EMEA or APAC) at Jobgether. This position is posted by Jobgether on behalf of LI.FI. We are currently looking for a Senior Backend Engineer in EMEA or APAC.. This fully remote opportunity is ideal for experienced backend engineers eager to build secure, scalable systems that power next-gen DeFi infrastructure. You’ll take ownership of robust API development, collaborate across cross-functional teams, and lead the evolution of our core architecture. Your work will directly impact how users interact with multi-chain liquidity protocols, and you'll help shape a product at the intersection of blockchain innovation and financial access. Expect a high-impact role with flexibility, equity, and the chance to work on real-world problems in a global, fast-moving environment.. . Accountabilities:. . Design, develop, and maintain backend systems and APIs that scale with increasing demand.. . Architect high-performance infrastructure that balances security, speed, and maintainability.. . Participate in code reviews, ensure coding standards, and foster best practices within the team.. . Optimize system performance by identifying bottlenecks and enhancing algorithm efficiency.. . Implement robust monitoring, debugging, and alerting tools to ensure system availability.. . Write and maintain automated test suites (unit, integration, end-to-end) to support reliable deployments.. . Document APIs and internal systems to support knowledge sharing and onboarding.. . Mentor junior developers and contribute to a collaborative, high-performing engineering culture.. . Analyze and solve complex backend problems with practical, scalable solutions.. . . Must be located in the EMEA or APAC region.. . Extensive professional experience in backend development, ideally in a senior or lead role.. . Strong proficiency with TypeScript and Node.js; experience with MongoDB, Redis, and Docker.. . In-depth understanding of blockchain fundamentals and the EVM ecosystem.. . Proven ability to design scalable backend architectures and build production-grade systems.. . Experience with GitOps, Kubernetes, AWS, and Cloudflare is highly desirable.. . Familiarity with testing frameworks and a strong testing mindset.. . Excellent communication, analytical thinking, and problem-solving abilities.. . Self-directed, proactive, and able to thrive in a fully remote team environment.. . Bonus: Experience with smart contract development, Golang, or a degree in Computer Science.. . Company Location: Spain.