Principal Machine Learning Scientist at Tripadvisor

Tripadvisor is hiring a Principal Machine Learning Scientist to lead the technical strategy and execution of search, retrieval, ranking, and recommendation systems for its travel discovery engine. The role focuses on multi-task learning, sequential user modeling, graph-based recommendations, scalable production systems, and mentoring senior and mid-level scientists. Candidates need a Ph.D. or Master’s degree in a relevant quantitative field, at least 8 years of industry experience deploying large-scale production models, and expertise in deep learning, retrieval, ranking, and distributed systems. The position offers a remote-friendly worldwide collaboration model with on-site flexibility, health benefits, and other employee benefits.