Software Engineer Intern (Recommendation Platform) - 2026 Summer (BS/MS)
Responsibilities
The ByteRec (Recommendation Architecture Mid-platform) team is responsible for the design and development of the recommendation system platform for TikTok and related products, and the team maintains the platform and develops midwares for the system, keeps it stable and consistent.
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).
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Summer Start Dates:
- May 11th, 2026
- May 18th, 2026
- May 26th, 2026
- June 8th, 2026
- June 22nd, 2026
Responsibilities
1. Participate in the development of the recommender platform (backend), build the core process of the recommender system, and participate in the maintaining and optimization of the core middleware and infrastructure.
2. Abstract the functions and workflow of mid-platform products, improve efficiency and stability, and promote iterative upgrades of the architecture.
3. Analyze and process system meta-information, bloodline, etc., to improve system transparency.
4. Explore the application and implementation of new technologies and new concepts of recommendation systems.
Qualifications
Minimum Qualifications:
• Currently pursuing an Undergraduate/Master in Computer Science 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.
• Solid programming skills, familiar with languages such as C++ and Python3, familiar with databases such as MySQL/MongoDB/Redis, and familiar with common backend frameworks such as Flask or FastAPI.
Preferred Qualifications:
• Excellent design and code style, passionate about solving challenging problems, and solid back-end architecture experiences.
• Experience in cloud computing and cloud platform development is preferred.
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.