TikTok
Tech Lead - E-commerce Recommendation Infrastructure - San Jose
San Jose, California · Full-time · Posted Oct 28, 2026
- Experience
- At least 5+ years building scalable systems.
- Education
- Bachelor's degree or above, majoring in Computer Science or related fields.
About the job
Build and optimize large-scale infrastructure for TikTok Shop recommendations, supporting high-performance systems, reliable data pipelines, and growing traffic and data volumes.
What you'll do
- Build a globalized, large-scale recommendation system and high-performance online systems.
- Design reliable data pipelines and continuously evolve infrastructure for growing traffic and data.
- Collaborate across teams to deliver infrastructure solutions and improve recommendation performance.
What they ask for
- Bachelor's degree or above in Computer Science or a related field.
- At least 5+ years of experience building scalable systems.
- Strong software development experience with C++, Java, or another programming language.
- Experience in at least one of: personalized recommendations, search engines, advertising, machine learning infrastructure, distributed storage systems, or big data frameworks.
Tools
C++, Java
AI focus
Build infrastructure supporting recommendation systems and innovative algorithms and techniques, in collaboration with applied machine learning engineers.
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