[Remote] Software Engineer Intern (Recommendation Infrastructure) - 2026 Start (PhD)

Note: The job is a remote job and is open to candidates in USA. TikTok is the leading destination for short-form mobile video. The Recommendation Architecture Team is seeking interns to help build and optimize the architecture for recommendation products, enhancing user experience and contributing to the organization's future plans and technologies.

Responsibilities

• Build and maintain high performance online services for TikTok recommendation system to support various types of products, such as For You Feed, E-commerce, Social, etc
• Build extremely efficient and reliable data pipelines for candidates generation, profile generation, training examples generation, realtime online training, etc
• Build globalized large-scale recommendation system
• Design and develop high performance computing frameworks and storage systems

Skills

• Currently pursuing PhD 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
• Experience in programming, included but not limited to, the following programming languages: C, C++, Java or Python
• Effective communication skills, self-driven learner, a sense of ownership
• Projects or research experienced in at least one area of the following areas: personalized recommendations, search engine, machine learning, distributed storage system, big data frameworks is a plus
• Graduating December 2026 onwards with the intent to return to degree program after the completion of the internship

Benefits

• Health insurance
• Life insurance
• Wellbeing benefits
• 10 paid holidays per year
• Paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year)
• Housing allowance

Company Overview

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