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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Gazelle Global | New York, NY, United States | $110k - $140k | |||
Techaxis, Inc | New York, NY, United States | $90k - $100k | |||
Altusmeus | New York, NY, United States | $114k - $127k | |||
Securitize | New York, NY, United States | $68k - $90k | |||
missing-link.io | New York, NY, United States | $87k - $101k | |||
Draper University | San Mateo, CA, United States | $135k - $171k | |||
Robinhood | Menlo Park, CA, United States | $136k - $160k | |||
Bitso | México | $84k - $100k | |||
Tether Operations Limited | ZH Zürich CH | $90k - $125k | |||
Avant Arte | London, United Kingdom | $105k - $115k | |||
Otto | Remote |
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CoW DAO | Remote |
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MoonPay | Remote | $63k - $65k | |||
Binance | Rabat, Morocco |
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Binance | Dubai, United Arab Emirates |
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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