Backend Software Engineer Intern (TikTok-Social-User and Relation) - 2026 Summer (BS/MS)

TikTok Social team drives significant user engagement and retention wins through fun, innovative, and technically sophisticated products and features. We move fast, with precision, and consistently execute with privacy at the forefront. Some core features and components we build and maintain include User Profile, Story, Inbox, Messaging, Follow, Like, Comment, Tag, etc. We seek talented individuals who enjoy the intersection of product, data, design, and engineering. As a Social team member, you'll help us improve the TikTok social experience and bring joy to hundreds of millions of users, every day.



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. Turn your ambitions into reality as your inspiration brings infinite opportunities at TikTok.

Internships at TikTok aim to provide students with hands-on experience in developing fundamental skills and exploring potential career paths. A vibrant blend of social events and enriching development workshops will be available for you to explore. Here, you will utilize your knowledge in real-world scenarios while laying a strong foundation for personal and professional growth. It runs for 12 weeks.



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 as early as possible. Please state your availability clearly in your resume (Start date, End date).



Summer Start Dates:

- May 11th, 2026

- May 18th, 2026

- May 26th, 2026

- June 8th, 2026

- June 22nd, 2026



Online Assessment

Candidates who pass resume screening will be invited to participate in TikTok's technical online assessment.



Responsibilities:

- Develop business critical systems and features that powers TikTok social experiences

- Participate in the process of improving system design and architecture to ensure high stability and performance of the services

- Collaborate with multiple cross-functional teams to deliver high quality work in rapid product development

- Promote robust and maintainable code, clear documentation, and deliver high-quality work on a tight schedule