[Remote] Machine Learning Engineer Intern - Data-Search-TikTok Recommendation Team - 2026 Summer (BS/MS)

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 Machine Learning Engineer Intern will work with the Search Engineering Team to build and improve TikTok's search engine, leveraging cutting-edge machine learning methods and technologies to enhance user experience and personalization. Responsibilities Participate in the improvement of the search core algorithm, possible directions include: Content understanding: Applying the industry's cutting-edge NLP and CV technology and leveraging LLM to match the most relevant videos for each search query, and continuously improve the relevance of TikTok search User Behavior Modeling: solving the recommendation problem in search, let TikTok search increase the ability of personalization on the basis of "relevant", and understand users better Video understanding: comprehensive use of NLP, CV, as well as LLM for better video understanding from the perspective of the video itself and social network, improve authority, credibility, and usefulness of search results Skills Must be able to commit to a 12-week full-time work period during Summer or Fall 2026 Currently pursuing a Bachelor's or Master's in Software Development, Computer Science, Computer Engineering, or a related technical discipline Must obtain work authorization in country of employment at the time of hire, and maintain ongoing work authorization during employment Proficient coding skills and strong algorithm & data structure basis Effective communication and teamwork skills Experience in one or more of the following areas: NLP, Ranking, Ads, search engine, recommender system, distributed system, and machine learning Graduating December 2026 onwards with intent to return to degree-program after the completion of the internship Demonstrated software engineering experience from previous internship, work experience, coding competitions, or publications High levels of creativity and quick problem-solving capabilities Benefits Day one access to 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 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 Company H1B Sponsorship TikTok has a track record of offering H1B sponsorships, with 979 in 2025, 601 in 2024, 387 in 2023, 322 in 2022, 133 in 2021, 72 in 2020. Please note that this does not guarantee sponsorship for this specific role.