1. Lead or participate in the planning and design of various products (P2P, C2C business) of the company; 2. Insight into the existing problems and challenges of the product, combined with industry development trends, explore new value-added scenarios and demands, and enhance product competitiveness; 3. Coordinate resources from all parties, efficiently promote product design and development implementation, track usage feedback and data, and continuously improve; 4. Continuously research and analyze user behavior, provide sustainable user experience design throughout the entire product lifecycle, and enhance the user experience of APP products.