Backend Engineer

SwapRail · website

Remote $90k–$180k 2 months ago full-time quality 8.5/10

Node.jsTypeScriptGoRustPostgreSQL

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

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

Similar jobs

Senior Backend Developer (Node.js)

Tangem · Remote

Node.jsNest.jsJavaScriptTypeScript

$115k–$196k 9 days ago View →

Senior Backend Engineer / Software Engineer, Stablecoin

LI.FI / Figure · Remote

TypeScriptNode.jsMongoDBRedis

$103k–$154k 1 month ago View →

Senior Software Engineer (Backend)

Wynd Labs · Remote

GoNode.jsRedis ClustersKubernetes

$180k–$300k 9 days ago View →

(Senior) Backend Engineer, Marketpace

Wheely · Remote

GoPostgreSQLMongoDBRedis

$60k–$90k 1 month ago View →

Backend Engineer

Trojan Trading · Remote

TypeScriptNode.jsBun.jsPostgres

$150k–$350k 1 month ago View →

(Senior) Backend Engineer, Marketplace

Wheely · Remote

GoPostgreSQLMongoDBRedis

$55k–$85k 2 months ago View →