LLM Agents Platform R&D Intern (AI Innovation Center) - 2026 Start (PhD)

About The Team:
The mission of the TikTok Eng-AI Innovation Center is to explore cutting-edge AGI technologies, including but not limited to LLM, multi-modal LLM (video/image/audio/text/code), etc., to let machine better understand user creations on Tiktok platform. Regarding to video/image/audio/text, enhanced content understanding can bring better user experience of searching, recommendation, and can more accurately identify and defend internet abuse and fraud on our platform. Regarding to code, our developed LLM aims to automatically re-organize/optimize Tiktok codebase, and make the code/coding become more accessible for Tiktok engineers.

We are looking for talented individuals to join us for an internship in 2026. PhD Internships at TikTok aim to provide students with the opportunity to actively contribute to our products and research, and to the organization's future plans and emerging technologies.

PhD internships at TikTok provide students with the opportunity to actively contribute to our products and research, and to the organization's future plans and emerging technologies. Our dynamic internship experience blends hands-on learning, enriching community-building and development events, and collaboration with industry experts.
Applications will be reviewed on a rolling basis - we encourage you to apply early. Please state your availability clearly in your resume (Start date, End date).

- Research on LLM Agent methodology, how to build better performance/low cost/stability agents;
- Explore cutting-edge technologies related to LLM Agent engineering platform(AgentOps), covering areas such as RAG, Reasoning, Planning, Toolkits, Multi-Agents Coordination.
- Construct a high-performance, cost-effective large-model agent service architecture that ensures high service availability.;
- Explore the application of frontier LLM agents, like multi-modal video agents, multi-agents coordination on Code AI, etc.

Minimum Qualifications
- Pursuing PhD with Computer Science or related fields, with good communication and teamwork skills;
- Excellent coding ability, data structures, and fundamental algorithm skills, proficient in C/C++ or Python, winners of competitions such as ACM/ICPC, NOI/IOI, Top Coder, Kaggle, etc. are preferred
- In-depth research and collaboration with researchers from top-tier universities worldwide;
- Preference will be given to candidates with one or more of the following qualifications:
- Experience in developing and deploying LLM agents.
- Experience in Multiple-modality LLM, Multiple-agents coordination.

Preferred Qualifications
- Passion for technology, good communication skills and team spirit

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

If you have any questions, please reach out to us at apac-earlycareers@tiktok.com