Senior Machine Learning Scientist (San Jose)

Senior Machine Learning Scientist - Traveler Engagement & Loyalty team (San Jose)

Introduction to the Team :

Expedia Technology teams partner with our Product teams to create innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction.

The Traveler Engagement & Loyalty team at Expedia is at the forefront of innovation in AI-driven recommendation systems. We're dedicated to enhancing customer experiences, increasing engagement, and strengthening traveler relationships through cutting-edge machine learning solutions. Our work directly impacts millions of travelers worldwide, shaping their journey from dreaming to booking and beyond.

Join a newly formed Machine Learning Science team at Expedia Group focused on transforming Customer Relationship Management (CRM) through intelligent, personalized outbound communications. From crafting tailored travel recommendations to optimizing engagement strategies, your work will directly influence millions of travelers globally. This is a rare opportunity to build foundational systems in a high-impact domain, backed by Expedias AI-first vision.

In this role, you will :

• Build and optimize recommendation models for CRM use cases, including personalized email campaigns and retention strategies
• Apply deep learning and causal inference to sparse, noisy, and dynamic customer interaction data
• Design and analyze A / B experiments to validate model performance and drive product decisions
• Collaborate with ML Engineers to deploy models at scale, ensuring robustness and reliability in production environments
• Translate business objectives into measurable machine learning goals aligned with customer engagement outcomes
• Stay current with advancements in recommendation research, deep learning architectures, and personalization systems
• Mentor junior scientists and engineers, sharing best practices in ML modeling, experimentation, and deployment

Minimum Qualifications :

Preferred Qualifications :