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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Token Metrics | Dallas, TX, United States | $45k - $72k | |||
Particula | United States | $98k - $150k | |||
SALT Lending | Denver, CO, United States | $60k - $80k | |||
Find | Remote | $81k - $114k | |||
Centrifuge | Remote | $81k - $85k | |||
Blockworks | New York, NY, United States | $110k | |||
Allium | New York, NY, United States | $108k - $111k | |||
SupportYourApp | Remote | $63k - $102k | |||
Boundless Networks, Inc. | Remote | $54k - $72k | |||
SupportYourApp | Remote | $63k - $102k | |||
Base | Remote | $94k - $111k | |||
Bitso | Latin America | $68k - $148k | |||
Consensys | Remote | $138k - $225k | |||
Bitwise Asset Management | New York, NY, United States | $110k - $160k | |||
Crypto.com | United States | $100k - $145k |
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