Data Scientist Intern (AI/LLM Data Application) - 2026 Start (BS/MS)

Responsibilities

About The Team
The AI/LLM Data Application team at TikTok focuses on developing large-scale distributed systems to support low latency and high quality end-to-end live-streaming/video-on-demand/hyper-edge CDN experience on a global scale.

We are looking for talented individuals to join us for an internship in 2026. Internships at our Company aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite opportunities at our Company.

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 Our Company and its affiliates' jobs globally. Applications will be reviewed on a rolling basis - we encourage you to apply early.

Responsibilities
- Construct and decompose indicators for special projects focusing on business bills, cost, and quality governance. Provide quantitative analysis in areas such as architecture, strategy, and resource capacity.
- Be responsible for the research and application work in big data AI scenarios, apply LLM models to scenarios such as knowledge Q&A and data analysis by combining data analysis experience, and optimize the effects.

Qualifications

Minimum Qualifications
- Undergraduate, or Postgraduate who is currently pursuing a Bachelor/Masters Degree in Data Science, Machine Learning, AI, Software Development, Computer Science, Computer Engineering, or a closely related technical field.
- Familiar with large language model (LLM) related technologies.
- Candidates are expected to work on-site at our Sydney office for a minimum of three days per week during the internship, which runs for at least 3 months and may be extended based on performance and mutual agreement.
- Familiarity with statistics, linear algebra, probability theory, common data structures
- Familiarity with the theoretical foundation of data science, such as statistics and causal inference, as well as their application scenarios
- Familiarity with SQL and the use of relational and analytical databases

Preferred Qualifications
- Hands-on experience of AI technology to empower data analytics and data mining
- Knowledge of network protocols including IPv4/v6 TCP/IP, DHCP, BGP, OSPF/IS-IS
- Knowledge and hands-on experience of public cloud services, such as AWS, GCP, Azure, Ali Cloud, OCI, etc
- Hands-on experience of network devices, such as Cisco, Arista, Juniper, H3C, Huawei and other mainstream vendors.
- Programming/scripting in Bash, Python or other languages

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