TikTok
Tech Lead- E-commerce Recommendation Infrastructure - Seattle
Seattle, Washington · 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, including online systems and data pipelines.
What you'll do
- Build globalized, large-scale recommendation systems and high-performance online systems with reliable data pipelines.
- Continuously optimize systems to support growing user traffic and data volumes.
- Collaborate across teams on end-to-end infrastructure solutions that address product challenges 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 to support recommendation systems and innovative algorithms and techniques, working with applied machine learning engineers.
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