Senior Backend Engineer - Cross-Chain Solver - Remote

Overview

LI.FI is simplifying multi-chain DeFi for traditional financial institutions, fintechs and service providers by offering a unified API to access all on-chain liquidity across major blockchains for best price same-chain and cross-chain swaps. We are a passionate team on a mission to enable a fairer, more decentralised world. Apart from the tech, we care a lot about user experience and aim to make complex technologies accessible to everyone.

In Short

• Lead the development and optimization of a cross-chain solver.
• Build core infrastructure for cross-chain transactions.
• Design pricing and routing algorithms.
• Implement liquidity management strategies.
• Develop monitoring and alerting systems.
• Optimize transaction execution logic.
• Collaborate with smart contract developers.
• Conduct code reviews and maintain high coding standards.
• Work autonomously in a fast-moving environment.
• Focus on delivering practical, scalable solutions.

Requirements

• 5+ years of backend development experience.
• Strong proficiency in TypeScript/NestJS.
• Experience in statistical analysis or data science.
• Understanding of blockchain architecture.
• Experience with high-throughput services.
• Familiarity with blockchain RPC interfaces.
• Strong system design skills.
• Problem-solving mindset.
• Effective communication skills.
• Ownership mindset and curiosity.

Benefits

• Annual team offsites.
• 30 days of PTO.
• Flexible remote days and working hours.
• Equity participation from day 1.
• Entitlement to work computer.
• 1,000€ personal development budget after 6 months.
• 1,000€ remote budget for office setup.