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Backend Engineer

SwapRail
Remote
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About this role

Join SwapRail as a Backend Engineer to design and develop backend services and APIs for liquidity aggregation and swap routing in a remote setting.

Description

Join SwapRail as a Backend Engineer to design and develop backend services and APIs for liquidity aggregation and swap routing in a remote setting.

Responsibilities
  • Design and develop backend services and APIs for liquidity aggregation and swap routing
  • Integrate on-chain and off-chain data sources (RPC, indexers, APIs)
  • Develop a transaction simulation and validation engine, optimize performance
  • Design databases (PostgreSQL) and monitor services
  • Work with microservices architecture and distributed systems
Requirements
  • Strong experience with Node.js / TypeScript / Go / Rust
  • Understanding of asynchronous systems and concurrency
  • Experience integrating blockchain data or Web3 systems
  • Experience with DeFi protocols or aggregators (1inch, Uniswap) (plus)
  • Understanding of MEV, routing optimization, and slippage control (plus)
Conditions & Benefits
  • Work on a high-performance system for liquidity aggregation
  • Remote format, competitive salary
  • Opportunity to influence the architecture and development of the product
Job Details
LocationRemote
AI Score★★★★★★★☆☆☆ 7/10
PostedApr 22, 2026 (64d ago)
Tags & Skills
cryptodefidevweb3Backend Developerremote
Tech Stack
Node.jsTypeScriptGoRustPostgreSQL
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