Position

We are looking for talented individuals to join us for an internship in 2026. Internships at TikTok aim to offer students industry exposure and hands-on experience. Turn your ambitions into reality as your inspiration brings infinite opportunities at TikTok. Internships at TikTok aim to provide students with hands-on experience in developing fundamental skills and exploring potential career paths. A vibrant blend of social events and enriching development workshops will be available for you to explore. Here, you will utilize your knowledge in real-world scenarios while laying a strong foundation for personal and professional growth. It runs for 12 weeks beginning in 2026.

Responsibilities

• Participate in the development of a large-scale Ads system

• Responsible for relevance model and strategy optimization, such as semantic matching models, active learning, text/photo/video multi-model, ranking strategy, etc

• Participate in the development and iteration of Ads algorithms by using Machine Learning.

• Work on NLP (Natural Language Processing) capability improvement and query understanding, such as query classification, seq2seq, NER (Named Entity Recognition), knowledge graph, bidword optimization, etc

• Work on CTR/CVR model estimation accuracy, data analysis, modeling, feature engineering

• Research and develop Ads pacing algorithms, ads traffic control, etc

• Partner with product managers and product strategy & operation team to define product strategy and features

Requirements

- Currently pursuing BS/MS degree in Computer Science, Computer Engineering, or other relevant majors.

- Experience in and good theoretical grounding in machine learning concepts and techniques.

- Excellent programming, debugging, and optimization skills in one or more general purpose programming languages, including but not limited to: Go, C/C++, Python.

- Experience in one or more of the following frameworks: Tensorflow/PyTorch/MXNet, etc

- Ability to think critically and to formulate solutions to problems in a clear and concise way.

- Must be able to commit to a 12-week full-time work period during Summer or Fall 2026.

Nice to have

Experience with Ads system, recommendation, searching, ranking, etc.

Company

TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.