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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Crypto.com | Shenzhen, China | $106k - $150k | |||
University of California, Los Angeles | Los Angeles, CA, United States |
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FSTONE Technologies | San Francisco, CA, United States | $86k - $118k | |||
Bloc Haus | San Francisco, CA, United States | $68k - $148k | |||
Binance | South East Asia |
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Helius | Remote | $225k - $350k | |||
Luminous Labs (Light Protocol) | Portugal | $90k - $100k | |||
Gate.io | Africa |
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IFT | London, United Kingdom | $76k - $100k | |||
Crypto.com | Taipei, Taiwan | $68k - $75k | |||
Coins.ph | Taguig, National Capital Region | $84k - $115k | |||
STON.fi | Remote | $72k - $115k | |||
developrec | United States | $72k - $110k | |||
W3Global | New York, NY, United States | $63k - $120k | |||
Kraken Digital Asset Exchange | United States | $72k - $80k |
SwapRail
Remote
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
## Nice to Have
- Experience with DeFi protocols or aggregators (1inch, 0x, Uniswap)
- Experience building trading or execution systems
- Experience with blockchain indexing (The Graph, custom indexers)
- Understanding of MEV, routing optimization, and slippage control
- Experience with caching layers (Redis) and performance optimization