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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Base | Remote | $68k - $90k | |||
Bitso | México | $74k - $80k | |||
Tether Operations Limited | Dubai, United Arab Emirates | $141k - $148k | |||
Tether Operations Limited | Buenos Aires, Argentina | $76k - $84k | |||
Tether Operations Limited | Islamabad, Pakistan | $141k - $148k | |||
Anchorage Digital | United States | $89k - $112k | |||
Zscaler | Remote | $115k - $165k | |||
Windranger Labs | Singapore, Singapore | $84k - $150k | |||
Pulley | Remote | $118k - $137k | |||
P2P. org | Cyprus Cyprus Cyprus |
| |||
Magic Eden | Melbourne, Australia | $72k - $75k | |||
LI.FI | Remote | $60k - $80k | |||
Kraken | London, United Kingdom | $94k - $149k | |||
Kraken | United States | $116k - $259k | |||
Kraken | United States | $96k - $192k |
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