TikTok
Research Scientist, TikTok E-Commerce Recommendation
Seattle, Washington · Full-time · Posted Oct 28, 2026
- Experience
- 3+ years in one of the listed or related fields.
- Education
- MS/PhD in Computer Science or a related technical field, or equivalent industrial research experience.
About the job
Conduct machine-learning research and build large-scale e-commerce recommendation algorithms and systems for TikTok.
What you'll do
- Research retrieval and recommendation algorithms and help build large-scale e-commerce recommendation systems.
- Model users’ long- and short-term interests by analyzing large amounts of data and designing algorithms to discover latent interests.
- Apply machine-learning algorithms to improve scenarios including search ranking, natural language and video understanding, and trust and safety.
What they ask for
- MS/PhD in Computer Science or a related technical field, or equivalent industrial research experience.
- 3+ years of experience in recommendation algorithms, online advertising, information retrieval, natural language processing, machine learning, large-scale data mining, or a related field.
Nice to have
- Familiarity with at least one mainstream deep-learning framework, such as TensorFlow or PyTorch.
- Passion for solving complex and challenging problems.
Tools
TensorFlow, PyTorch
AI focus
Machine-learning research and algorithm development for e-commerce recommendations, user-interest modeling, search ranking, natural language and video understanding, and trust and safety.
Model-written summary · the original posting is authoritative