Senior Machine Learning Engineer - TikTok Short Video Content Understanding/Mult

Senior Machine Learning Engineer - TikTok Short Video Content Understanding/Multimodal Recommendation Our team's mission is to empower content understanding for the TikTok Short Video business. We focus on cutting?edge research in content understanding and the development of advanced LLM/MLLM algorithms and applications, including generative recommendation, weakly?supervised learning, few?shot classification, video tagging, multi?task learning, multilingual learning, multimodal pre?training, and more. Responsibilities Lead multimodal algorithm development for TikToks short?video business, exploring applications of multimodal technologies in recommendation systems and other scenarios to improve key business metrics. Conduct cutting?edge research in multimodal and MLLM technologies and design advanced algorithms to solve business requirements while achieving technical breakthroughs. Drive engineering deployment and implementation, ensuring model stability, scalability and efficiency in production environments. Focus on key areas such as: General AI platform design and development, including few?shot/zero?shot MLLM, AI?labeling, auto?prompting, active?learning, continual pre?training and reinforcement learning. Integration of content understanding with recommendation systems (e.g., UGC ecosystems, cold start, interest exploration, comment understanding). Leveraging multimodal techniques to develop next?generation recommendation systems, such as generative models and end?to?end approaches. Minimum Qualifications Proven experience in multimodal content understanding, with expertise in large language models (LLMs) and familiarity with cutting?edge progress in the field. Strong technical foundation in at least one major deep learning framework (PyTorch, TensorFlow, etc.). Proactive mindset, strong sense of ownership, excellent communication skills and ability to collaborate across teams. Preferred Qualifications Hands?on experience deploying content?understanding solutions in search, advertising, recommendation, or related domains. About TikTok TikTok is the leading destination for short?form mobile video. Our mission is to inspire creativity and bring joy. TikToks global headquarters are in Los Angeles and Singapore, with offices worldwide. #J-18808-Ljbffr