TikTok
Machine Learning Engineer Graduate (E-Commerce Recommendation/Search Alliance) - 2027 Start (PhD)
San Jose, California · Full-time · Posted Oct 28, 2026
- Education
- PhD in Computer Science, Engineering, Operations Research, or a related discipline; completing or recently completed.
About the job
Build machine-learning systems for TikTok Shop, including product recommendations and search, merchant-operation AI agents, and tools that support affiliate growth.
What you'll do
- Design and build large-scale e-commerce recommendation and ranking algorithms.
- Develop AI-powered merchant-operation systems and agents to automate affiliate strategy and business workflows.
- Apply LLMs, NLP, and multimodal machine learning; collaborate across teams to take AI solutions from research to production.
What they ask for
- Completing or recently completed a PhD in Computer Science, Engineering, Operations Research, or a related discipline.
- Thorough understanding of data structures and algorithms, with excellent problem-solving ability.
- Deep understanding of machine learning, statistics, scaling distributed computing, and big data engineering.
- Must be able to commit to an onboarding date by the end of the year; resume should state availability and graduation date.
Nice to have
- Software engineering experience through internships, work, coding competitions, or publications; internship or research experience in e-commerce, recommendation, or search.
- Publications at conferences such as KDD, NeurIPS, WWW, SIGIR, WSDM, CIKM, ICLR, ICML, IJCAI, or AAAI; curiosity toward new technologies and entrepreneurship.
Tools
LLMs, NLP
AI focus
Develop recommendation and ranking systems, merchant-operation AI systems and agents, multimodal machine-learning solutions, and ML agents that automate algorithm development workflows.
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