Machine Learning Engineer (LLM & Personalized Search), TikTok Search

Our Search Team is responsible for building and owning TikTok's search engine which provides our users the best search experience. On the TikTok Search Team, you’ll have the opportunity to build a full‑stack search engine system and combine information retrieval technology with modern machine learning methods from related fields such as NLP, Computer Vision, Multimodal, and Recommender Systems. We embrace a culture of self‑direction, intellectual curiosity, openness, and problem‑solving.

• Be responsible for the implementation of personalized algorithms for photo‑text search. Integrate photo‑text visual, text and user behavior data to build scenario‑adaptable personalized retrieval; rely on large model technology to promote model scaling up, optimize model performance and generalization ability, and explore the application of generative recommendation in photo‑text scenarios to accurately match users' potential needs. <...