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TikTok · 2 weeks ago

Software Engineer Intern (Recommendation Infrastructure) - 2026 Summer (Bachelor/Master)

San Jose, CA

Internship

Onsite

Intern

$45/hr - $45/hr

Start in 2026 Spring

TikTok is the leading destination for short-form mobile video, and they are seeking an intern to join their Recommendation Architecture Team. The intern will be responsible for building and optimizing the architecture for TikTok's recommendation products, contributing fresh ideas and gaining hands-on experience.

Content CreatorsContent DiscoveryMedia and EntertainmentSocial MediaVideo

No H1B

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

Qualification

Programming languagesMachine learningBig data frameworksDistributed storage systemsEffective communicationSelf-driven learnerSense of ownership

Required

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

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