Software Engineer Intern; Recommendation Infrastructure - Fall; BS​/MS

Software Engineer Intern (Recommendation Infrastructure) - 2026 Fall (BS/MS)

Location:

San Jose

Employment Type:

Intern

Job Code: A41396

The Recommendation Infrastructure Team is responsible for building reliable, efficient, flexible, and generic recommendation components, systems, and platforms. Our work supports the fast iteration and incubation of Tik Tok's recommendation products.

We are looking for talented individuals to join us for an internship in 2026.

• August 10th, 2026
• August 24th, 2026
• September 8th, 2026
• September 21st, 2026

• Build and maintain high‑performance online services for Tik Tok recommendation system.
• Build extremely efficient and reliable data pipelines for candidate generation, profile generation, training‑example generation, realtime online training, and more.
• Work with your mentor to build globalized large‑scale recommendation system.
• Design and develop high‑performance computing frameworks and storage systems.

• Must be able to commit to a 12‑week full‑time work period during Fall 2026.
• Currently pursuing an Undergraduate/Masters degree in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
• Experience in programming, including but not limited to C, C++, Java or Golang.
• Effective communication skills and a sense of ownership and drive.

• Preferred:
  Demonstrated software engineering experience from previous internship, work experience, coding competitions, or publications.
• Preferred:
  Experience in personalized recommendations, search engine, machine learning, distributed storage system, or big data frameworks.

The hourly rate range for this position in the selected city is $45‑$60.

Benefits may vary depending on the nature of employment and the country work location. Interns have day‑one access to health insurance, life insurance, wellbeing benefits and more. Interns also receive 10 paid holidays per year and paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year). Interns who are not working 100% remote may also be eligible for housing allowance.

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) candidates: qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

Tik Tok is committed to providing reasonable accommodations in its recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at