Job responsibilities: 1. Responsible for building various risk control models for the company, ensuring that risk control measures are comprehensively and effectively implemented, and risks are within a controllable range; 2. Monitor and analyze various transaction data, operational data, and risk indicators, and continuously improve risk control strategies; 3. Continuously develop and improve the company's risk control policies, processes, and systems; 4. Revise the existing risk control indicators to improve accuracy and reduce accidental killing rates;