Machine Learning Engineer (LLM)- E-commerce Risk Control

Build and deploy machine learning models to detect fraud, abuse, and anomalies across TikTok Shop and Toko, working with seller behavior, user interactions, and transactions. Implement hybrid risk-control systems combining supervised/unsupervised models with retrieval-augmented reasoning and LangChain-based agent workflows. Design prompt and reasoning pipelines, distillation and BERT-style architectures, monitoring pipelines, and explainable risk strategies with product, risk ops, and infra teams.