TikTok
Machine Learning Engineer, Multimodal - Intelligent Integrity
San Jose, California · Full-time · Posted Oct 28, 2026
- Experience
- 1+ year of algorithm R&D/project implementation experience in content understanding or AIGC.
- Education
- Bachelor’s degree or above in CS, AI, Mathematics, Statistics, or related majors.
About the job
Develop multimodal machine learning systems to understand and review e-commerce and short-video ads, identify risks, and support commercial content integrity.
What you'll do
- Build and improve large-model systems for ad content understanding, security, and review.
- Develop multimodal understanding and interpretable decision-making for text, audio, video, and live streams.
- Explore RL and Agent applications and create models for ad intent recognition, rule retrieval, and risk judgment.
What they ask for
- Bachelor’s degree or above in CS, AI, Mathematics, Statistics, or a related major.
- 1+ year of algorithm R&D or project implementation experience in content understanding or AIGC.
- Proficiency in PyTorch/TensorFlow and hands-on large-model training, fine-tuning, and inference deployment.
- Mastery of Python/C++; solid ML/DL foundation and understanding of MLLM/LLM, CV, NLP, multimodal fusion, and Agent technologies.
Nice to have
- Project implementation experience.
- Experience in content understanding, ad analysis, multimodal representation learning, or intelligent review.
Tools
PyTorch, TensorFlow, Python, C++, MLLM/LLM, CV, NLP, Agent
AI focus
Applies LLM/MLLM and AIGC to multimodal ad understanding and security; develops content review, risk-judgment, and interpretable decision systems, and explores RL/Agent applications.
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