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

Note: The job is a remote job and is open to candidates in USA. TikTok is the leading destination for short-form mobile video, and they are seeking a Software Engineer Intern for their Recommendation Architecture Team. This role involves building and optimizing high-performance online services and data pipelines for TikTok's recommendation system, providing valuable hands-on experience for students. 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 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 Graduating December 2026 onwards with the intent to return to degree program after the completion of the internship Benefits Interns have day one access to health insurance Life insurance Wellbeing benefits and more Interns also receive 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) Interns who are not working 100% remote may also be eligible for housing allowance Company Overview TikTok is a short-form video entertainment app and social network platform. It is a sub-organization of ByteDance. It was founded in 2003, and is headquartered in Los Angeles, California, USA, with a workforce of 10001+ employees. Its website is