Machine Learning Engineer Intern (TikTok Search E-Commerce) - 2026 Summer (BS/MS)

The Search E-Commerce team spearheads the development of TikTok's advanced search algorithm, crucial for its booming global e-commerce platform. Utilizing state-of-the-art large-scale machine learning, along with cutting-edge NLP, CV, and multi-modal technologies, we are committed to creating a top-tier search engine. Our goal is to deliver the best e-commerce search experience to over a billion monthly active TikTok users worldwide. Our mission is to create a world where 'no reasonably priced product is difficult to sell.'

1. Content understanding/matching: Applying the industry's cutting-edge NLP and CV technology to match the most relevant videos for each search query, and continuously improve the relevance of TikTok search.

2. User Behavior Modeling: solving the recommendation problem in search, letting TikTok search increase the ability of personalization on the basis of 'relevant', and understand users better.

3. Video understanding: comprehensive use of NLP, CV and other technologies for better video understanding from the perspective of the video itself and social network, improve authority, credibility and usefulness of search results.