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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Status | Remote | $27k - $75k | |||
Status | Remote | $87k - $145k | |||
Nethermind | London, United Kingdom | $72k - $90k | |||
Anchorage Digital | United States | $57k - $112k | |||
Binance | Remote |
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CoinGecko | Singapore, Singapore | $81k - $100k | |||
Worldcoinorg | San Francisco, CA, United States | $120k - $140k | |||
Worldcoinorg | Munich, Germany | $160k - $180k | |||
Okcoin | San Jose, CA, United States | $144k - $216k | |||
Monad | New York, NY, United States | $36k - $74k | |||
Menyala | Singapore, Singapore |
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Figure | San Francisco, CA, United States | $104k - $130k | |||
Figure | Charlotte, NC, United States | $70k - $88k | |||
Figure | Reno, NV, United States | $70k - $88k | |||
Figment | Ireland | $81k - $92k |
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