Responsibilities: Responsible for the planning, requirement analysis, competitor research, product design, and other related work of the company's C-end and B-end products. Responsible for building and leading product teams, developing long-term personnel growth plans, optimizing personnel allocation, collaborating on design, research and development, testing, and promoting product launch and implementation. Also responsible for driving continuous optimization and iteration, coordinating with operations and business for market promotion, and analyzing user behavior and needs