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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Coins.ph | Manila, Philippines | $91k - $115k | |||
Coin Market Cap Ltd | Dubai, United Arab Emirates |
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Grayscale Investments | Stamford, CT, United States | $67k - $75k | |||
Binance | Taipei, Taiwan |
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Binance | Hong Kong, Hong Kong |
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moomoo | Singapore, Singapore | $84k - $109k | |||
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Ergonia | Remote | $36k - $75k | |||
Consensys | Remote | $90k - $109k | |||
abbvie | Newark, NJ | $84k - $90k | |||
visa | Highlands Ranch, CO | $143k - $230k | |||
Serotonin | New York, NY, United States | $80k - $130k | |||
Bcbgroup | Remote | $105k - $170k | |||
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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