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TikTok
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July 20, 2026
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Software Engineer Intern (Recommendation Infrastructure) - 2026 Summer (BS/MS)

Seattle, WA
Internship
Onsite
$42.75/hr - $42.75/hr
Intern
TikTok is the leading destination for short-form mobile video, and they are seeking a Software Engineer Intern for their Recommendation Infrastructure Team. The role involves building and maintaining high-performance services and data pipelines for TikTok's recommendation system.

Responsibilities

  • Build and maintain high performance online services for TikTok recommendation system
  • Build extremely efficient and reliable data pipelines for candidates generation, profile generation, training examples generation, realtime online training, etc
  • Work with your mentor to build globalized large-scale recommendation system
  • Design and develop high performance computing frameworks and storage systems

Qualification

Required

  • Must be able to commit to a 12-week full-time work period during Summer 2026
  • Currently pursuing an Undergraduate/Masters degree in Software Development, Computer Science, Computer Engineering, or a related technical discipline
  • Experience in programming, included but not limited to, the following programming languages: 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
  • Demonstrated experience in one area of the following areas: personalized recommendations, search engine, machine learning, distributed storage system, big data frameworks is a plus

Benefits

  • 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.
TikTok is a short-form video entertainment app and social network platform. It is a sub-organization of ByteDance.
Glassdoor
3.2
Founded in 2003
Los Angeles, California, USA
10001+ employees
https://www.tiktok.com

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