Backend Software Engineer Intern (TikTok-Social-Graph) - 2026 Summer (BS/MS)
1 week ago• Los Angeles, CA
Responsibilities
The Social Graph team at TikTok is at the forefront of innovation in large-scale graph computing. We design and build the core graph infrastructure that powers TikTok's social ecosystem - processing trillions of edges and billions of vertices to deliver real-time relationship insights to billions of users worldwide. Our high-performance engine enables millisecond-level multi-hop queries, dynamic cluster and community detection, and real-time graph mining-directly powering key features such as friend recommendations, live streaming, risk control, and messaging.
Here, every line of code you write will directly impact the social experience of users worldwide. Together, we will redefine how people connect globally.
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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
Responsibilities:
- Design and implement high-performance data storage and management systems for trillion-scale social graph data, ensuring seamless integration and rapid iteration for mission-critical applications.
- Develop distributed graph database engines capable of handling billions of vertices and trillions of edges, enabling millisecond-level multi-hop queries and real-time graph reasoning.
- Build a real-time graph mining platform to extract social relationships, patterns, clusters, and communities, fueling product strategies and personalized recommendations.
- Lead the integration of the Social Graph with core systems (e.g., recommendation, search, risk control) to support social interactions, live-streaming, and various TikTok business use cases.
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.
- Proficient in at least one of the following languages: Go, Java, C++, Python
- Deep understanding of computer architectures, data structures, and algorithms
- Strong communication and teamwork skills
Preferred Qualifications:
- Passion about techniques and solving challenging problems.
- Experienced in building backend services for large-scale consumer-facing applications
- 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
Client-provided location(s): Los Angeles, CA
Job ID: TikTok-7533130221324994823
Employment Type: INTERN
Posted: 2025-08-02T04:41:10
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.