Job responsibilities: (Contract Products) 1. Responsible for conducting front-end and back-end requirement research, planning, and actual implementation of trading and contract related businesses; 2. Output product prototype diagrams, product processes, and write relevant requirement specification documents; 3. Responsible for planning and designing the contract risk control backend, building risk control business processes and system functions; 4. Effectively communicate with the R&D, testing, and operations departments to ensure their full understanding of the product and promote its launch; 5. Monitor product data, conduct analysis and statistics, continuously improve products, and address user pain points;