1. Responsible for and involved in the design, development, refactoring, and optimization of backend systems, formulating reasonable technical architecture solutions based on business and technical planning;

2. Responsible for and involved in tackling technical challenges in the core transaction system, continuously enhancing the high-performance processing capabilities of each system under conditions of high concurrency, high availability, and massive data;

3. Responsible for and involved in the architecture and development of platform-level product general foundational capability systems.