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.

We are an AI application team within the TikTok architecture department, dedicated to leveraging AI to enhance R&D efficiency and user experience. Our efforts include developing our own code model to support projects, as well as exploring the use of LLM-related technologies such as agents and retrieval-augmented generation (RAG) to further expand our capabilities and drive innovation.

We are looking for talented individuals to join us in 2025. As a graduate, you will get unparalleled opportunities for you to kickstart your career, pursue bold ideas and explore limitless growth opportunities. Co-create a future driven by your inspiration with TikTok.

Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to TikTok and its affiliates' jobs globally. Applications will be reviewed on a rolling basis - we encourage you to apply early.

Job Responsibilities:
- Research and address challenges in AI application development for TikTok's architecture.
- Design, develop, and optimize AI applications on the TikTok platform to improve R&D experience and platform efficiency.
- Explore new AI technologies and algorithms, integrating them into the TikTok R&D system.
- Participate in building and optimizing the next-generation R&D system to boost team efficiency and innovation capabilities.
- Collaborate closely with cross-functional teams to understand business needs and provide AI technical support for TikTok development.