Research Scientist, TikTok E-Commerce Recommendation
TikTok
San Jose, CA · Posted November 13, 2026
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About the job
Our E-commerce Recommendation Team is responsible for building up and scaling our recommendation system to provide the best experience for our TikTok users.
Responsibilities: • Conduct cutting-edge research in machine learning algorithms, such as retrieval and recommendation algorithms. • Participate in building large-scale (10 million to 100 million) e-commerce recommendation algorithms and systems, including commodity recommendations, live stream recommendations, short video recommendations etc in TikTok. • Build long and short term user interest models, analyze and extract relevant information from large amounts of various data and design algorithms to explore users' latent interests efficiently. • Apply machine learning algorithms to improve the different business scenarios, such as search ranking, natural language and video understanding, and trust and safety.
Minimum Qualifications: • MS/PhD in Computer Science, related technical field or equivalent industrial research experience. • 3+ years of working experience in one of the following fields: recommendation algorithm, online advertising, information retrieval, natural language processing, machine learning, large-scale data mining, or related fields.
Preferred Qualifications: • Familiar with at least one of the mainstream deep learning frameworks, like TensorFlow or PyTorch. • Passionate about solving complex and challenging problems