Job responsibilities: 1. Develop and maintain the backend of a quantitative trading system, including a strategy backtesting engine, real-time risk control module, and order execution system. 2. Build a high-performance data processing pipeline to support real-time processing and analysis of Tick level market data (traditional/on chain). 3. Optimize trading system latency and stability to ensure reliable operation in high concurrency scenarios. 4. Implement multi exchange/on chain protocol API integration (REST/WebSocket/FIX)