Mobile Software Engineer Intern (TikTok-Engineering Excellence-Dev Infra) - 2026 Summer (BS/MS)
Responsibilities
The IC-TikTok team, part of the Intelligent Creation department, is an international R&D group tasked with building creative capabilities for TikTok. We're dedicated to productizing AI and multimedia technologies to create world-class creation experiences for TikTok users. Our tech stack includes front-end, back-end, mobile, and desktop development, as well as multimedia technologies like audio/video processing and AR effects, in addtion to visual and graphic algorithms. Join us to craft the best creative tools with the most cutting-edge AI and multimedia technologies!
Joining the IC-TikTok Dev Infra Team will provide you with an excellent career growth opportunity, allowing you to contribute to the enhancement of the creative experience for millions of users worldwide. If you are a skilled compilation, C++, Android/iOS, fullstack Engineer with a passion for technological innovation and content creation, we sincerely invite you to be part of our Dev Infra team. Let's collaborate to build outstanding development environments that power innovative creative tools on TikTok!
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.
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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.
You will be responsible for designing, building, and maintaining scalable and robust developer infrastructure that supports our effect and multimedia sdks that power the TikTok app's video creation process. You will work closely with native cross-platform toolchains such as Gradle, CocoaPods, LLVM, Clang, Java, Kotlin, and Swift. This hands-on experience with diverse technologies will significantly enhance your technical breadth and help you grow into a highly versatile and well-rounded engineer.
Responsibilities:
- Implement CI/CD pipelines, test automation, logging, and monitoring for several of TikTok's internal cross platform sdks and applications;
- Ensure code quality, security and data compliance through automated quality checks, static analysis and other processes;
- Develop internal tools and software for use by developers in their everyday work;
- Continually improve development efficiency by optimizing code review and build processes;
- Working closely with compiling toolchains to optimize building speed.
Qualifications
Minimum Qualifications:
- Currently pursuing an Undergraduate/Graduate in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
- Able to commit to working for 12 weeks during the Summer of 2026.
- Experience in CI/CD development with common CI/CD pipelines such as Jenkins, Github Actions, or Gitlab;
- Experience building Android and/or iOS applications or sdks and their development environments: gradle, xcodebuild and dependency management such as Maven and Cocopods.
- Experience using CMake for cross platform C++ projects, or other build tools such as Bazel or Buck.
- Experience with Git source code management, LFS, branch and release strategies;
- Experience with at least one common programming language such as Python, Groovy, C/C++ or Java;
Preferred Qualifications:
- Passion about techniques and solving challenging problems.
- Graduating December 2026 onwards with the intent to return to degree program after the completion of the internship.
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
Perks and Benefits
Health and Wellness
- Health Insurance
- Dental Insurance
- Vision Insurance
- HSA
- Life Insurance
- Fitness Subsidies
- Short-Term Disability
- Long-Term Disability
- On-Site Gym
- Mental Health Benefits
- Virtual Fitness Classes
Parental Benefits
- Fertility Benefits
- Adoption Assistance Program
- Family Support Resources
Work Flexibility
- Flexible Work Hours
- Hybrid Work Opportunities
Office Life and Perks
- Casual Dress
- Snacks
- Pet-friendly Office
- Happy Hours
- Some Meals Provided
- Company Outings
- On-Site Cafeteria
- Holiday Events
Vacation and Time Off
- Paid Vacation
- Paid Holidays
- Personal/Sick Days
- Leave of Absence
Financial and Retirement
- 401(K) With Company Matching
- Performance Bonus
- Company Equity
Professional Development
- Promote From Within
- Access to Online Courses
- Leadership Training Program
- Associate or Rotational Training Program
- Mentor Program
Diversity and Inclusion
- Diversity, Equity, and Inclusion Program
- Employee Resource Groups (ERG)
Company Videos
Hear directly from employees about what it is like to work at TikTok.