TikTok
Machine Learning Engineer Graduate - Global E-commerce Recommendation/Search - 2026 Start (PhD)
San Jose, California · Full-time · Posted Oct 28, 2026
- Education
- PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
About the job
Conduct machine learning research and build large-scale e-commerce recommendation and search systems, including user-interest modeling and algorithms for ranking, content understanding, and trust and safety.
What you'll do
- Research machine learning algorithms, including retrieval and recommendation.
- Build large-scale e-commerce recommendation algorithms and systems for products, live streams, and short videos.
- Develop user-interest models and apply machine learning to search ranking, language and video understanding, and trust and safety.
What they ask for
- Completing or recently completed a PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
- Strong foundation in machine learning and deep learning, with NLP and personalization experience.
- Exceptional coding skills and solid knowledge of data structures and algorithms.
- Proficiency in Linux development environments; excellent analytical and problem-solving skills.
Nice to have
- Prior experience in search, recommendation, or advertisement algorithms.
- Familiarity with e-commerce businesses.
Tools
Linux, NLP
AI focus
Machine learning research and development for e-commerce recommendations, search ranking, user-interest modeling, language and video understanding, and trust and safety.
Model-written summary · the original posting is authoritative