Principal Machine Learning Scientist

Expedia Group is seeking a Principal Machine Learning Scientist to lead the development and optimization of Search & Recommendation AI models, including natural language search, multi-modal search, and generative AI-based discovery. This role involves driving research, designing advanced machine learning solutions for large-scale systems, and mentoring a team of scientists to deliver high-quality, personalized travel experiences. The position requires deep expertise in deep learning, intent understanding, and production-grade recommendation systems to support Expedia's AI-first vision.