Backend Software Engineer Intern (TikTok-Growth-Customer Lifecycle) - 2026 Summer (BS/MS)

Millions of users install TikTok every day. At the User Growth engineering team, we deliver business impact by optimizing the new users' experience since they install the app, and help users of various backgrounds and intentions to find their "Aha!" moment on the platform. Our engineering team drives high-visibility end to end impact by touching various parts of the product, including onboarding experience, video playback experience, Algorithm of For You Feed.



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:

- Build new features that touch hundreds of millions of people around the world.

- Solve unique, large-scale, highly complex technical problems.

- Participate in technical discussions related to team's product and engineering work.