TikTok
Research Engineer Intern (Ads ML Infra) - 2026 Start (PhD)
San Jose, California · Internship · Posted Oct 28, 2026
- Education
- PhD degree in computer science or related technical disciplines.
About the job
Lead projects to build and operate scalable, reliable infrastructure for TikTok Ads ranking systems.
What you'll do
- Lead Ads ranking infrastructure projects.
- Provide technical leadership and guidance to team members and project peers.
- Coordinate engineering efforts across teams and stakeholders, and drive innovation.
What they ask for
- PhD in computer science or a related technical discipline.
- Strong computer science fundamentals in algorithms, data structures, and software design, plus problem-solving skills.
- Solid coding skills and understanding of algorithms, especially causal inference, uplift model, and deep learning.
- Experience managing projects.
Nice to have
- Experience in the Ads domain.
- Experience building large-scale ranking infrastructure.
Tools
causal inference, uplift model, deep learning
AI focus
Work on machine learning infrastructure for Ads ranking, including algorithms such as causal inference, uplift models, and deep learning.
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