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LI.FI

Senior Backend Engineer - Perps

LI.FI
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4 months ago
Remote, WorldwideSenior

Responsibilities

  • Extend LI.FI’s API stack to include Hyperliquid ecosystem projects.
  • Design, build, and maintain backend services using Node.js and TypeScript.
  • Work with MongoDB, Redis, and MySQL to support high-throughput trading workflows.
  • Collaborate with the Expansion PM and backend engineers to improve integrations.
  • Ensure robust backend code with a focus on scalability and performance.
  • Participate in code reviews, system design discussions, and technical documentation.

Requirements

  • 5+ years of experience in crypto, ideally in DeFi or trading systems.
  • Strong backend engineering background with Node.js and TypeScript.
  • Database experience with MongoDB, Redis, and MySQL.
  • Familiarity with Hyperliquid architecture and protocols.
  • Solid understanding of orderbook mechanics and programmatic trading features.
  • Experience with EVM-based protocols and backend system integrations.
  • Ability to drive integrations with minimal oversight in a remote team.
  • Cross-chain experience is a strong plus.

Benefits

  • Annual team offsites in various locations.
  • 30 days of PTO.
  • Flexible remote days and working hours.
  • Equity participation from day 1.
  • Entitlement to work computer of choice.
  • Annual 1,000€ personal development budget after 6+ months.
  • One-time 1,000€ remote budget for coworking or office setup.

Tech Stack

MongoDBMySQLNode.jsRedisTypeScript

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