Large Model Algorithm Application Engineer Intern - User Growth-2025 Start

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 imagination 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 Growth team plays a core role in acquisition, activation, and retention of billions of users, through our globally popular products such as TikTok, TikTok Lite, etc. We are building platform foundations, leveraging data and ML models, and providing end-to-end solutions to power global growth. Typical Growth projects including SEO、Sharing、Incentive etc.

We are looking for talented individuals to join us for an internship in 2025. Internships at TikTok aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite opportunities at 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.

Successful candidates must be able to commit to at least 3 months long internship period.

Successful candidates must be able to commit to either of the following Internships
- From January to June
- From May to August (Summer)

Responsibilities:
- Participated in the design and development of the paid advertising system for global user growth in TikTok, Lemon8, and other services.
- Applied large model capabilities to explore tasks such as creative insights, e-commerce product testing, intelligent templates, and AIGC creative effectiveness validation.
- Participated in the development of algorithm strategies for scenarios such as ad creation, budgeting & bidding control, creative demand estimation, and effectiveness attribution.