Experience

Meta, Menlo Park, CA

Senior Research Scientist, Oct 2023 - Present

• Design and develop core ranking algorithms for Facebook and Instagram Ads and News Feed recommendation systems, with emphasis on sequence learning, graph neural networks, and large-scale user-interest modeling.
• Conduct large-scale machine learning experiments to evaluate model performance and improve ranking, retrieval, CTR/CVR prediction, user engagement, and recommendation quality.
• Develop and deploy scalable model training, serving, and publishing pipelines in collaboration with machine learning infrastructure teams.
• Contribute to production-scale recommendation systems that serve large user populations and support high-throughput ranking and retrieval tasks.