Drimva

TikTok

Machine Learning Engineer Graduate (E-Commerce Recommendation/Search Alliance) - 2027 Start (PhD)

Seattle, Washington · Full-time · Posted Oct 28, 2026

Education
PhD in Computer Science, Engineering, Operations Research, or a related discipline.

About the job

Build machine-learning systems for TikTok Shop, including personalized product recommendations, search and ranking, and AI tools that help merchants and creators grow their businesses.

What you'll do

  • Design and build large-scale recommendation and ranking algorithms for real-time product recommendations.
  • Develop AI-powered merchant tools and agents, applying LLMs, NLP, and multimodal machine learning to affiliate operations and business growth.
  • Work with cross-functional teams to prototype, productionize, and deploy AI solutions, including agents that automate algorithm development workflows.

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 and strong problem-solving ability.
  • Deep understanding of machine learning, statistics, scaling distributed computing, and big data engineering.

Nice to have

  • Software engineering experience through internships, employment, coding competitions, or publications.
  • Internship or research experience, especially in e-commerce, recommendation, or search engines; publications at the listed conferences are also welcomed.

Tools

LLMs, NLP

AI focus

Develop recommendation, search, and ranking systems; AI-powered merchant operation systems and AI agents; and ML agents that automate algorithm development workflows.

Model-written summary · the original posting is authoritative

First seen Oct 28, 2026 · Last verified Nov 5, 2026 (UTC)