Backend Software Engineer Intern (User Growth) – 2026 Start (BS/MS)

The Growth team plays a core role in acquisition, activation, and retention of billions of users, through our globally popular products such as TikTok, Resso, CapCut, Helo, etc. We are building platform foundation, leveraging data and ML models, and providing end-to-end solutions to power global growth. Typical Growth projects including creative generating, attribution, ads bot, etc.

We are looking for talented individuals to join us for an internship in 2026*. 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:
– Participate in the design and development of paid delivery systems for TikTok, Lemon8 and other businesses to grow global users;
– Participate in the construction of basic services such as overseas multi-data center design, privacy compliance transformation, data capture and postback;
– Develop major services such as advertising, material production, media channel connection, event management, and data attribution;
– Apply AIGC capabilities to explore material insights, intelligent template splicing, AIGC material effect verification and capability accumulation, etc.;