TikTok
Machine Learning Engineer Graduate- (TikTok Trust and Safety-CV/NLP/Multimodal LLM) - 2026 Start(PHD)
Seattle, Washington · Full-time · Posted Oct 28, 2026
- Education
- Ph.D. in Computer Science, Electrical Engineering, Operation Research, Applied Mathematics, or similar quantitative fields.
About the job
Develop content-understanding models and algorithms, and optimize distributed model training, to detect content and behavior that violate TikTok’s community guidelines and related regulations.
What you'll do
- Collaborate with product, engineering, and data science teams on safety objectives, model deployment, serving workflows, and data-driven strategies.
- Develop content-understanding techniques, including unimodal and multimodal classifiers, active learning, reinforcement learning, and large language models.
- Continuously optimize the distributed model training framework.
What they ask for
- Ph.D. in Computer Science, Electrical Engineering, Operation Research, Applied Mathematics, or a similar quantitative field.
- Hands-on or academic experience in one or more of machine learning, large language models, recommendation systems, or related areas.
- Strong coding skills.
- Curiosity toward new technologies and entrepreneurship, plus communication and teamwork skills.
Tools
computer vision, NLP, Large Language Models, Machine learning, Recommendation Systems, Active learning, Reinforcement learning
AI focus
Develop and deploy content-understanding and safety models, including computer vision, NLP, multimodal models, classifiers, active learning, reinforcement learning, and large language models.
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