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 .

Key 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

Minimum Qualifications:

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

- Solid programming skills, including but not limited to: Go, C/C++, Python. Familiar with basic data structure and algorithms. Familiar with Linux development environment.

- Good analytical thinking capability. Have essential knowledge and skills in statistics.

- Good theoretical grounding in the machine and deep learning concepts and techniques (CNN/RNN/LSTM, etc.).

- Familiar with the architecture and implementation of at least one mainstream machine learning programming framework (TensorFlow/PyTorch/MXNet), familiar with its architecture and implementation mechanism.

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

Preferred Qualifications:

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

Company

The Lead Ads team empowers TikTok's global monetization (billion-dollar business) via efficiently delivering lead ads on TikTok. Our mission is to push the boundaries of large-scale ads delivery systems and lead the innovations of TikTok's personalized online advertising.