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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
MoonPay | Remote | $105k - $106k | |||
Staking Facilities GmbH | New York, NY, United States | $88k - $150k | |||
Kast | New York, NY, United States | $126k - $180k | |||
Fact Machine | New York, NY, United States | $150k - $200k | |||
Crypto.com | Shanghai, China | $98k - $109k | |||
Crypto.com | Hong Kong, Hong Kong | $72k - $110k | |||
EarthDNA | Boston, MA, United States | $90k - $110k | |||
3METAD | San Jose, CA, United States | $54k - $95k | |||
MLabs | New York, NY, United States |
| |||
1inch | Dubai, United Arab Emirates | $91k - $118k | |||
Kruze Consulting | Remote | $70k - $80k | |||
1inch | New York, NY, United States | $75k - $83k | |||
1inch | London, United Kingdom | $68k - $107k | |||
Binance | Taipei, Taiwan |
| |||
0g Labs | Remote | $68k - $90k |
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