TikTok
Research Scientist Intern– E-commerce Recommendation(LLM Applications) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)
San Jose, California · Internship · Posted Oct 28, 2026
- Education
- Currently pursuing a PhD in Computer Science, Computer Engineering, or a related technical discipline.
About the job
Develop recommendation systems and multimodal foundation-model capabilities for TikTok Shop, including generative recommendations and end-to-end machine-learning solutions across livestreams, videos, and search.
What you'll do
- Build and optimize recommendation systems and their machine-learning infrastructure.
- Explore generative recommendation techniques, including Diffusion Models, prompt learning, and multimodal content generation.
- Work with cross-functional teams to develop solutions and product strategies for important markets.
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 big data frameworks such as 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
- Knowledge of model compression and inference acceleration, including quantization, pruning, distillation, and TensorRT optimization.
- Expertise in computer vision and multimodality or natural language processing; publications in top-tier conferences or competition experience are also preferred.
Tools
Hadoop, MapReduce, Spark, TensorFlow, PyTorch, TensorRT, Diffusion Models
AI focus
Develop recommendation LLMs, multimodal foundation models, generative recommendations, and agent-based systems for e-commerce; address data fusion, item tokenization, evaluation, safety, and compliance.
Model-written summary · the original posting is authoritative