Senior ML Scientist - Search & Auction Systems

Expedia Group in London seeks a Senior Machine Learning Scientist to provide technical leadership for Search Marketing & Tech. You will own end-to-end ML solutions from problem framing to production, collaborating with engineering, product, and business stakeholders to deliver measurable impact.

The role emphasizes building and deploying production-grade ML models (tree-based, deep learning, RL) with robust pipelines, observability, and experimentation strategies to optimize bidding and ranking