1. Independently complete modeling scheme design, model development, and deployment, using various algorithms to develop, including but not limited to marketing anti cheating, black and gray production gang identification, account security, user profiling, etc; 2. Work closely with the business team, identify the behavioral characteristics of cheaters through big data mining, quickly form effective countermeasures, continuously iterate and optimize risk control strategies, and explore the application of cutting-edge algorithms in business risk control scenarios, including single but not limited to graph algorithms, unsupervised models, and large models