About the role#
The Ads Infra team builds infrastructure to support machine learning at scale. You will work on systems that handle data collection, training, and model serving for our advertising platform. This internship provides hands-on experience with large-scale data and machine learning systems.
What you'll do#
- Develop and optimize recommendation models for advertising, including training, evaluation, and user behavior sequence modeling.
- Build data pipelines for feature processing, sample generation, and data quality assurance.
- Develop platforms for distributed training, model distribution, and online serving.
- Explore MLLM applications in advertising, such as fine-tuning and inference optimization.
- Apply AI agents to tasks like workflow orchestration, resource scheduling, and failure diagnosis.
- Build platforms for GPU allocation, usage metering, and cost optimization.
What you'll need#
- Currently pursuing a PhD in Computer Science, AI, Machine Learning, or a related field.
- Proficiency in at least one programming language like C++, Python, Go, or Java.
- Solid knowledge of data structures, algorithms, machine learning, and computer systems.
- Familiarity with recommendation systems, MLLMs, distributed systems, or large-scale data processing.
- Experience with deep learning frameworks, GPU scheduling, AI agents, or cloud-native technologies is a plus.
Location & details#
- Location: San Jose, California.
- Modality: On-site.
- Employment: Full-time.
- Term: Rolling.
About TikTok
TikTok operates as an entertainment provider. The company maintains a global presence with offices in cities including Los Angeles, Singapore, New York, London, and Tokyo. It employs over 92,000 people. The organization is privately held.
How to get in at TikTok
Landing an internship at TikTok requires speed because early applicants often get seen before the pile grows. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you can apply among the first. This gives you a better chance of your resume being reviewed while the team is still actively filling the position. You should aim to be one of the first people to submit your materials. Reaching out to the right person can also improve your chances of getting a response. Intern Insider surfaces the recruiters behind the company roles so you can contact them directly to ask about the role or a referral. This direct approach often works better than waiting for a response from a general application queue.
