TikTok
Machine Learning Engineer Graduate (TikTok-Data-Search-Search Quality) - 2027 Summer Start (PhD)
San Jose, California · Full-time · Posted Oct 28, 2026
- Education
- PhD in Computer Science, Electrical Engineering, Machine Learning, Artificial Intelligence, Information Retrieval, Natural Language Processing, Data Mining, Statistics, or a related technical field.
- Visa sponsorship
- Candidates must establish authorization to work in the United States. The company does not provide sponsorship or immigration-related benefits.
About the job
Conduct applied research and build scalable machine-learning improvements to TikTok Search, including retrieval, ranking, relevance, personalization, and multimodal search.
What you'll do
- Research and improve search core algorithms, including content and video understanding and user behavior modeling.
- Develop retrieval, ranking, relevance evaluation, query understanding, multimodal search, or LLM methods.
- Translate research ideas into scalable product improvements to search quality.
What they ask for
- Currently pursuing or recently completed a PhD in a listed or related technical field.
- Graduate with an applicable degree before onboarding.
- Research or practical experience in at least one listed area, such as search, information retrieval, ranking, recommendation systems, NLP, or machine learning systems.
Nice to have
- Publications, preprints, patents, open-source contributions, or research projects in relevant areas.
- Experience with large-scale retrieval, ranking, model training, evaluation, online experimentation, distributed systems, or production ML systems.
Tools
NLP, CV, LLM
AI focus
Applies machine learning, NLP, computer vision, and LLMs to search relevance, personalization, video understanding, retrieval, ranking, and evaluation.
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