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Research Scientist, TikTok E-Commerce Recommendation

Seattle, United States of America💼 Full-time🗓 2026-09-28

Core

Conducting cutting-edge research and building large-scale e-commerce recommendation algorithms and systems for TikTok users.

Role type

Research Scientist (Machine Learning/Recommendation Systems)

Builds

Large-scale recommendation systems for commodity, live stream, and short video content

Domain

E-commerce, Machine Learning, Recommendation Systems

Deliverable

production ML models

Required skills

Machine learning algorithms, retrieval algorithms, user interest modeling, large-scale data analysis, natural language processing, video understanding

Preferred skills

Deep learning frameworks (TensorFlow, PyTorch), solving complex problems

Technologies

TensorFlow, PyTorch

Responsibilities

Design algorithms to explore users' latent interests efficiently, apply ML to improve business scenarios like search ranking and trust and safety

Seniority

Mid-Senior, hands-on IC

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