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◆ 6/10
devweb3Backend Engineerremote
About this role
SwapRail is seeking a Backend Engineer to design and implement scalable backend services and APIs, optimize system performance, and collaborate with teams for consistent execution flows.
Description
SwapRail is seeking a Backend Engineer to design and implement scalable backend services and APIs, optimize system performance, and collaborate with teams for consistent execution flows.
Responsibilities
- Design and implement scalable backend services and APIs
- Build routing and aggregation logic for swap execution across multiple liquidity sources
- Integrate on-chain and off-chain data sources (RPC nodes, indexers, third-party APIs)
- Develop simulation and validation layers for transaction execution
- Optimize system performance for low-latency and high-throughput scenarios
- Design data models for quotes, routes, transactions, and execution states
- Implement monitoring, logging, and observability across services
- Collaborate with wallet and frontend teams to ensure consistency in execution flows
Requirements
- Strong experience with Node.js / TypeScript / Go / Rust
- Experience building high-performance backend systems
- Strong understanding of asynchronous systems and concurrency
- Experience with PostgreSQL and data modeling
- Familiarity with microservices architecture and distributed systems
- Experience integrating blockchain data or Web3 systems
Job Details
Market range (est.)$90k–$180k
LocationRemote
AI Score★★★★★★☆☆☆☆ 6/10
PostedApr 8, 2026 (134d ago)
Tags & Skills
devweb3Backend Engineerremote
Tech Stack
Node.jsTypeScriptGoRustPostgreSQL