The vacancy is well-detailed in tasks and compensation but lacks company information and explicit KPIs.
Job description
Design and build the core backend systems powering SwapRail, including APIs, routing engines, execution services, and data pipelines.
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
About SwapRail
SwapRail is a Web3 company developing a platform for cryptocurrency trading, featuring performant user interfaces for web and mobile that handle trading flows, wallet interactions, and real-time data visualization using technologies like React, React Native, Next.js, and blockchain integrations.[1]