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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Integra | Remote | $82k - $87k | |||
Inmobi | Remote | $84k - $95k | |||
Inmobi | Remote | $72k - $110k | |||
Kraken | India | $134k - $180k | |||
Kraken | United Arab Emirates | $134k - $180k | |||
Copperco | Remote | $86k - $107k | |||
Keyrock | Brussels, Belgium | $133k - $135k | |||
Bluecubeservices | Remote | $89k - $112k | |||
Dune | United States | $124k - $144k | |||
Dune | Singapore, Singapore | $140k - $240k | |||
Coinhako | Singapore, Singapore | $94k - $105k | |||
Chainalysis | Tel Aviv, Israel | $91k - $153k | |||
Chainalysis | Tel Aviv, Israel | $105k - $120k | |||
Chainalysis | Tel Aviv, Israel | $91k - $153k | |||
Chainalysis | New York, NY, United States | $190k - $220k |
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