Mobile Security Engineer Intern (TikTok-Business Risk Integrated Control-Anti Automation Solutions) - 2026 Summer (BS/MS)

Responsibilities

Anti-Automation Solutions (AA) is part of Business Integrated Risk Control team. Automated fraud refers to technical methods used by hackers to perform API abuse at scale using scripts and tools. Our vision is to establish an industry-leading team with a focus on end-to-end defense-in-depth systems with privacy and business needs in mind. We are responsible for continuously iterating over identifying and combating automated fraud through client environment inspection, risky signals collection, trusted computing, traffic validation, data mining and producing a wide variety of tools and subject matter services for business lines.

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.

Qualifications

Minimum Qualifications:
- Currently pursuing an Undergraduate/Master in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
- Able to commit to working for 12 weeks during Summer 2026
- Must obtain work authorization in country of employment at the time of hire, and maintain ongoing work authorization during employment.

Preferred Qualifications
- Graduating December 2026 onwards with the intent to return to degree program after the completion of the internship.
- Demonstrated software engineering experience from previous internship, work experience, coding competitions, or publications
- Experience with coding in C/C++, Java, Kotlin, Objective-C or Swift
- Experience with Android or iOS development
- Experience of reverse engineering is a plus
- Experience with version control (preferrably Git)
- High levels of creativity and quick problem-solving capabilities

By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://careers.tiktok.com/legal/privacy