AI Research Scientist, Language - Monetization GenAI

Job description

We are developing the GenAI models that power Meta's advertising ecosystem at scale. Our team operates at the cutting edge of LLM post-training & applications, creating systems that help millions of advertisers succeed while driving significant revenue gains. Our team works at the intersection of AI and Monetization, and we've launched multiple 0→1 GenAI advertising products. We handle the full LLM lifecycle: post-training, evaluation, deployment, and product launch. Responsibilities: Improve content understanding and knowledge for GenAI-powered advertising - Leverage state-of-the-art multimodal LLMs and agentic models to extract, structure, and retrieve valuable signals that power ad creative generation and optimization - Pioneer the use of Reinforcement Learning from Human Feedback (RLHF) to post-train LLMs for real-world advertising performance - Develop RL post-training frameworks that use actual ads data to fine-tune LLMs to generate ad creatives that resonate with users Qualifications: Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience - Has obtained a PhD in Computer Science, AI/ML, or a relevant technica...