TikTok
Machine Learning Engineer Intern (E-Commerce Recommendation/Search Alliance) - 2027 Start (PhD)
Seattle, Washington · Internship · Posted Oct 28, 2026
- Education
- Currently pursuing a PhD in Computer Science, Engineering, Operations Research, or a related technical discipline.
About the job
Develop machine learning, recommendation, ranking, and AI-agent systems for TikTok Shop’s e-commerce discovery and merchant operations.
What you'll do
- Build large-scale recommendation and ranking algorithms for real-time product recommendations.
- Develop AI-powered merchant operations systems and agents to automate affiliate strategies and improve business outcomes.
- Apply LLMs, NLP, and multimodal machine learning, and collaborate to bring AI solutions from research into production.
What they ask for
- Currently pursuing a PhD in Computer Science, Engineering, Operations Research, or a related technical discipline.
- Strong grasp of data structures and algorithms and strong problem-solving skills.
- Profound knowledge of machine learning, statistics, and big data engineering.
Nice to have
- Understanding of scaling distributed computing.
Tools
LLMs, NLP
AI focus
Build recommendation and ranking systems, merchant-operation AI agents, and ML agents that automate algorithm development workflows; apply LLMs, NLP, and multimodal machine learning.
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