Machine Learning Engineer, Ecommerce Risk Control

Build and deploy state-of-the-art machine learning models to prevent and detect e-commerce fraud and abuse across TikTok Shop and other transactions. Invent new approaches, run experiments to validate hypotheses, and collaborate with cross-functional science, engineering, and business teams. Develop data querying infrastructure for offline/online analysis, define risk control metrics, and communicate results through clear technical documentation, visualizations, and presentations.