Machine Learning Engineer, TikTok - Business Governance
Core
Building next-generation Trust & Safety systems using large language models and multimodal foundation models to protect TikTok, Lemon8, and short-form video platforms.
Role type
Senior IC machine learning engineer (multimodal content safety)
Builds
Intelligent, scalable, and adaptive content moderation systems for short-form video platforms
Domain
Trust & Safety, Large Language Models, Multimodal AI
Deliverable
production ML models
Required skills
Machine learning, deep learning, Transformer architectures, LLMs, MLLMs, Python, PyTorch, distributed training, large-scale data processing, algorithmic design
Preferred skills
LLM post-training (SFT, RLHF, DPO), multimodal understanding, AI Agents, Trust & Safety systems, academic publications in top-tier conferences
Technologies
LLMs, MLLMs, AI Agents, SFT, RLHF, DPO, PyTorch
Responsibilities
Develop content safety algorithms covering multimodal understanding and risk detection across video, text, image, and audio; Leverage ML and deep learning to improve content moderation pipelines and ensure model robustness; Own the training and application of LLMs and MLLMs for content safety use cases; Drive exploration and productionization of emerging capabilities like AI Agents and video understanding
Seniority
Senior, hands-on IC
