Machine Learning Engineer, E-commerce Feed Recommendation

Build large-scale e-commerce recommendation algorithms for TikTok Shop video and live-stream traffic. Develop and iterate predictive models for candidate generation and ranking, including CTR and conversion rate, with real-time data pipelines, feature engineering, and model optimization. Create long- and short-term user interest models and ML strategies to improve shopping experience, addressing problems like cold start and traffic allocation. Develop supporting tools for debugging and evaluation.