TikTok
Research Scientist Graduate (E-Commerce Recommendation Region) - 2027 Start
Seattle, Washington · Full-time · Posted Oct 28, 2026
- Education
- Completing or recently completed a Bachelor's degree in Computer Science, Electrical Engineering, Mathematics, Statistics, or a related discipline.
About the job
Develops and deploys large-scale TikTok Shop recommendation systems, using generative AI, optimization, and research agents to improve e-commerce outcomes.
What you'll do
- Design and improve recommendation systems across retrieval, pre-ranking, ranking, and final blending.
- Develop LLM- and generative-model-powered recommendation, optimization methods, and autonomous research agents.
- Take research from prototype to production, validate it with large-scale online experiments, and share findings through publications.
What they ask for
- Completing or recently completed a Bachelor's degree in Computer Science, Electrical Engineering, Mathematics, Statistics, or a related discipline.
- Strong foundations in machine learning, probability, statistics, optimization, algorithms, and data structures.
- Excellent coding skills in Python or C++ and hands-on experience with deep learning frameworks such as PyTorch.
- Research or project experience in at least one listed area, such as recommendation, LLMs, reinforcement learning, causal inference, optimization, multimodal learning, or AI agents.
Nice to have
- Completing or recently completed a Master's degree in a listed or related discipline; first-author publications at top venues or impactful open-source work.
- Experience with generative recommendation, LLM agents, AI coding tools, reinforcement learning, causal modeling, constrained optimization, or long-term user value.
Tools
Python, C++, PyTorch, LLMs
AI focus
Uses LLMs and generative models for recommendation, including generative retrieval and reasoning about user intent; develops multimodal understanding and autonomous research agents that run experiments, analyze results, and diagnose production issues.
Model-written summary · the original posting is authoritative