TikTok
Machine Learning Engineer Graduate (E-Commerce Recommendation Mall) - 2027 Start
Seattle, Washington · Full-time · Posted Oct 28, 2026
- Education
- Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, Statistics, or a related discipline; candidates must be completing or have recently completed it.
About the job
Research and develop advanced recommendation systems for TikTok e-commerce, including generative, LLM-powered, and agentic approaches that improve personalization, efficiency, and long-term user value.
What you'll do
- Research generative recommendation methods, including generative retrieval and re-ranking, and optimize model training and inference on GPUs.
- Apply LLMs and reinforcement learning to improve recommendation systems’ semantic understanding and address e-commerce challenges such as cold start and user intent.
- Develop agentic recommendation approaches and models for optimizing long-term value and user experience.
What they ask for
- Completing or recently completed a Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, Statistics, or a related discipline.
- Foundation in machine learning and deep learning, plus research or project experience in at least one of: large language models, reinforcement learning, generative models, recommender systems, or information retrieval.
- Proficient in Python and at least one mainstream deep learning framework.
- Strong problem-solving skills and interest in complex, open-ended research problems.
Nice to have
- Experience in recommendation systems, especially for live commerce, e-commerce, search, ads, or other large-scale consumer products.
- Relevant experience in generative recommendation, LLMs or multimodal foundation models, recommendation architecture, long-term value modeling, or large-scale training and inference optimization.
Tools
Python, PyTorch, TensorFlow, JAX, LLMs, RL, GPUs
AI focus
Research generative, LLM-powered, and agentic recommendation systems; apply reinforcement learning and optimize long-term value and user experience.
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