1. Build a quantitative trading system: including modules for market acquisition, data warehousing, signal processing, real-time trading, order management, financial reconciliation, etc; 2. Build a backend for functions such as profit and loss analysis and risk management; 3. Implement trading strategy deployment, build and maintain trading system automation solutions; 4. Continuously optimize the performance of the strategy automation trading system; 5. Collaborate with trading and strategy teams to meet trading needs.