TikTok
Applied Scientist - Monetization Technology - Global Frontier Tech Recruitment Program - 2027 Start (PhD)
San Jose, California · Full-time · Posted Oct 28, 2026
- Education
- PhD in Computer Science, Computer Engineering, or a related technical discipline.
About the job
Develop foundation models and intelligent advertising systems for TikTok, improving monetization efficiency and user experience while meeting real-time deployment constraints.
What you'll do
- Research recommendation and advertising foundation-model scaling, and build unified multimodal models.
- Develop ad placement systems optimized for long-term user value and return on ad spend.
- Improve foundation-model training and online inference to balance compute costs and response latency.
What they ask for
- Completing or recently completed a PhD in Computer Science, Computer Engineering, or a related technical discipline.
- Modeling experience in at least one of Ads, Search engine, Recommender System, NLP/CV.
- Solid foundation in LLM algorithms, with learning and practical experience in single-modal LLM application and deployment.
Nice to have
- Research results and practical experience in areas such as NLP, computer vision, data modeling, or algorithm optimization.
- Strong programming skills; C/C++ for traditional coding roles or Python for intelligent coding roles; top-conference publications are a plus.
Tools
Large Recommender Models, Large Language Models (LLMs), foundation models, unified multimodal semantic modeling, C/C++, Python
AI focus
Build and deploy foundation models, generative technologies, and intelligent ad-placement agents for recommendation and advertising, including model training, inference, and optimization.
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