Research Scientist Graduate (E-Commerce Recommendation Region) - 2027 Start (PhD)
Core
Design and improve global-scale e-commerce recommendation systems for TikTok Shop's shoppable videos and LIVE streams using LLMs, generative models, and autonomous research agents.
Role type
Senior IC research scientist (e-commerce recommendation & LLMs)
Builds
Recommendation systems for a platform serving over a billion users
Domain
E-commerce, AI, Large Language Models, Reinforcement Learning
Deliverable
production ML models
Required skills
Machine learning, deep learning, Python, C++, PyTorch, reinforcement learning, causal inference, operations research, LLMs, generative models, multimodal learning, AI agents
Preferred skills
First-author publications at top venues, generative recommendation, LLM post-training, building LLM agents, modeling long-term user value, shipping ML models to production
Technologies
PyTorch, LLMs, RL, causal inference, optimization
Responsibilities
Build e-commerce recommendation at global scale; Pioneer generative and LLM-powered recommendation; Optimize decisions with RL and operations research; Build autonomous research agents; Model the full lifetime of a shopper; Turn research into impact via large-scale online experiments
Seniority
PhD level, research scientist
