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The multi-chain liquidity gateway. A DeFi middleware to build crypto-enabled businesses.
Senior Backend Engineer – Partner Service
Location
Germany
Posted
147 days ago
Salary
€80K - €130K / year
Seniority
Senior
Job Description
Senior Backend Engineer – Partner Service
LI.FI
• 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
Job Requirements
- 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
- Deep knowledge of testing principles and modern testing frameworks
- Very strong written and spoken English
- Bachelor’s or Master’s degree in Computer Science is a plus
Benefits
- 30 days of PTO
- Flexible remote days
- Flexible working hours
- Equity participation from day 1
- Entitlement to work computer (choice of equipment)
- An annual 1,000€ personal development budget once you have worked 6+ months (pro-rated the first year)
- A one-time 1,000€ remote budget to use on coworking, office setup, etc.
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