TikTok
Research Scientist Intern– E-commerce Recommendation(LLM Applications) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)
Seattle, Washington · Internship · Posted Oct 28, 2026
- Education
- Currently pursuing a PhD in Computer Science, Computer Engineering, or a related technical discipline.
About the job
Research and develop large-model-powered recommendation systems for TikTok Shop, including multimodal, cross-scenario recommendations and intelligent agents.
What you'll do
- Develop and improve recommendation systems, including generative recommendation techniques and multimodal content generation.
- Build unified recommendation systems across livestreams, short videos, and search, and deliver end-to-end machine-learning solutions.
- Optimize machine-learning algorithms and infrastructure, collaborating with cross-functional teams on product strategies.
What they ask for
- Currently pursuing a PhD in Computer Science, Computer Engineering, or a related technical discipline.
- Strong foundation in machine learning and knowledge of cutting-edge AI technologies.
- Familiarity with Hadoop, MapReduce, and Spark.
- Experience with TensorFlow or PyTorch for model training and deployment, and understanding of mixed precision and distributed training.
Nice to have
- Publications in top-tier academic conferences or competition experience.
- Knowledge of model compression or inference acceleration, or expertise in computer vision, multimodality, or NLP.
Tools
Diffusion Models, Hadoop, MapReduce, Spark, TensorFlow, PyTorch, TensorRT
AI focus
Develop a foundational multimodal large model and agent framework for e-commerce, using LLMs and world models for personalized recommendations, forecasting, and other intelligent decisions; explore generative recommendation, multimodal modeling, item tokenization, and agent evaluation and safety.
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