Lead the design, development, and productionization of ML models for personalized navigation, search, and recommendations. Lead ML-based projects from end-to-end: scoping, data collection, feature engineering, model training, deployment, backend implementation, and online experimentation. Support product initiatives like category and brand recommendations, and promote relevant livestreams and products. Work closely with teammates and cross-functional partners to implement ML-based solutions into production at scale. Drive technical excellence and establish ML best practices across the team and org.