Software Engineer Intern (TikTok-PGC-AI Platform) - 2026 Summer (BS/MS)

TikTok dominates the global short video space — but when it comes to AI, we're just getting started. There's still massive room for innovation. Yet today, applying AI technology at scale inside TikTok remains difficult — fragmented tools, high technical barriers, and limited collaboration slow down innovation. We're changing that.

Join us to accelerate the adoption of AI across TikTok. Our mission is to democratize AI through a powerful platform that lowers the barrier to entry, empowers non-technical roles, and enables fast, reliable iteration. Our business covers a wide range of areas, including content governance, PGC, local services, livestreaming, music, etc.

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.

Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to TikTok and its affiliates' jobs globally. Applications will be reviewed on a rolling basis. We encourage you to apply as early as possible. Please state your availability clearly in your resume (Start date, End date).

Summer Start Dates:
- May 11th, 2026
- May 18th, 2026
- May 26th, 2026
- June 8th, 2026
- June 22nd, 2026

Online Assessment
Candidates who pass resume screening will be invited to participate in TikTok's technical online assessment.

As a member of TikTok PGG AI Platform team, you will:
- Responsible for developing our AI Platform by using cutting-edge AI technologies such as LLM, MLLM, RAG, and Agents.
- Work closely with product managers, algorithm teams, and other cross-functional stakeholders to tackle complex, high-impact problems.
- Design and evolve system architecture to ensure scalability, performance, and reliability. Build robust infrastructure to integrate LLM capabilities into real-world business applications.
- Learn how TikTok core products work, and discover the magic underlying systems that power the fastest-growing platform on the planet.

Minimum Qualifications:
- Currently pursuing Bachelor's or Master's in Computer Science or related field.
- Proficiency in at least one of the following programming languages: Golang, Python, or JavaScript, along with familiarity with common development frameworks and tools.
- Curiosity towards new technology and outstanding ability to analyze and solve problems.
- Practical experience working with genAI/LLM systems, AI agents, and related data processing workflows
- Able to commit to working for 12 weeks during Summer 2026

Preferred Qualifications:
- Active participation in open-source projects and strong familiarity with the AI/ML community.
- Solid understanding of machine learning fundamentals, deep learning frameworks (e.g., PyTorch, TensorFlow), and widely used AI development tools.
- Deep passion for AI — you think about it, read about it, and build with it every day.

By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://careers.tiktok.com/legal/privacy