Backend Engineer Intern (TikTok Search Architecture) - 2026 Start (BS/MS)

Team Introduction Our Search Architecture Team is responsible for building up and optimizing the architecture for our Search Engine to provide the best experience for our TikTok Search users. This person will be responsible for the design and development of the search system architecture, ensuring system stability and high availability; responsible for online services, offline data flow performance optimization, solving performance bottlenecks, reducing costs and unlocking.

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.

Responsibilities

• Responsible for the search system of TikTok and its affiliated products, and solving the architecture optimization problem of the search architecture system. - Support the design and development of the search system, and the output core search capabilities of bytes and high-quality content to partners. - Focus on architecture abstraction and process optimization for search scenarios, support large-scale machine learning optimization.