TikTok
(General Hire)Tech Lead, Machine Learning Engineer, TikTok Recommendation
San Jose, California · Full-time · Posted Oct 28, 2026
- Experience
- 5+ years of related work experience.
- Education
- Bachelor degree in computer science or a related major.
About the job
Build and optimize end-to-end machine-learning recommendation systems and infrastructure to improve TikTok’s user experience, content ecosystem, security, and growth.
What you'll do
- Build recommendation systems and deliver machine-learning solutions for product challenges.
- Own and optimize machine-learning algorithms and infrastructure to improve recommendation performance.
- Collaborate across teams on product strategies and solutions for important markets.
What they ask for
- Bachelor degree in computer science or a related major.
- 5+ years of related work experience.
- Strong software development experience with C++, Python or other programming language.
- Experience in one or more of: applied machine learning, machine learning infrastructure, large-scale recommendation system, or market-facing machine learning product.
Tools
C++, Python
AI focus
Develop and optimize production recommendation models and end-to-end machine-learning systems.
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