Machine Learning Engineer, Search Recommendation

Build and improve TikTok’s search recommendation engine for a fast-growing e-commerce experience. You’ll enhance recommendation services and models to increase search traffic on TikTok and TikTok Mall while improving users’ search understanding. Optimize end-to-end recommender system performance with hyperscale ML—from recall/first-stage ranking to final-stage ranking—and explore short-text and general recommendation grounded in NLP interactions.