Senior Anti-fraud Algorithm Engineer - Search, Recommendation and Ads

Research and Develop Algorithms: Identify various fraud orders in e-commerce search and recommendation, design and develop effective risk control strategies and models to guarantee user experience and seller benefit. Model Optimisation: Explore, innovate, and optimise risk control models to improve precision, recall, and scalability. Data Analysis: Conduct in-depth analysis of business data, user behaviour data, and seller/item information, leveraging various anomaly detection methods for modell