1. Lead the architectural design and technical optimization of the core exchange and payment system to ensure system stability under high concurrency and high security scenarios;

2. Design and implement complex fund flow models, including core modules for exchange rate calculation, financial settlement, and fund reconciliation;

3. Optimize key technical challenges such as distributed transactions, idempotent processing, and payment link monitoring;

4. Build efficient distributed caching and queue mechanisms to enhance the real-time performance and throughput of payment transactions;

5. Conduct in-depth research on the application scenarios of new technologies such as blockchain and virtual currencies in payments;