TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
Join us.

The Server Arch team aims to strengthen globalization and compliance by constructing a security-friendly architecture, promoting the establishment of a global multi-data center infrastructure and standardized specifications, optimizing and enhancing efficiency, and developing systematic cost evaluation and performance optimization systems to support TT's long-term development.

Responsibilities:
1. Research and model training infrastructure building of the cutting-edge technologies related to LLM
2. Tracking, reproduction, and effect optimization of the cutting-edge AI large-scale model infrastructure in the relevant fields in the industry/academic community
3. Implementation of LLM in the TikTok business