TikTok
Software Engineer Intern (ML Infra) - 2027 Start (PhD)
San Jose, California · Internship · Posted Oct 28, 2026
- Education
- Currently pursuing a PhD degree in Computer Science, AI, Machine Learning or a related discipline.
About the job
Build and optimize infrastructure, data pipelines, and machine-learning platforms for TikTok’s advertising recommendation systems.
What you'll do
- Develop and optimize advertising recommendation models and large-scale data pipelines.
- Build ML platforms for distributed training, model serving, and lifecycle management.
- Explore MLLM applications and AI agents for advertising workflows and operations.
What they ask for
- Currently pursuing a PhD in Computer Science, AI, Machine Learning, or a related discipline.
- Proficiency in at least one programming language, such as C++, Python, Go, or Java.
- Solid knowledge of data structures, algorithms, machine learning, and computer systems.
- Familiarity with recommendation systems, MLLMs, distributed systems, ML platforms, or large-scale data processing.
Nice to have
- Experience with deep learning frameworks, distributed training, GPU scheduling, AI agents, or cloud-native technologies.
Tools
C++, Python, Go, Java
AI focus
Develop advertising recommendation models; explore MLLM data production, training, fine-tuning, and inference optimization; apply AI agents to workflow orchestration, resource scheduling, failure diagnosis, and automated operations.
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