Senior Machine Learning Scientist

Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success.

Why Join Us?

To shape the future of travel, people must come first. Guided by our Values and Leadership Agreements, we foster an open culture where everyone belongs, differences are celebrated and know that when one of us wins, we all win.

We provide a full benefits package, including exciting travel perks, generous time-off, parental leave, a global hybrid work setup (with some pretty cool offices), and career development resources, all to fuel our employees' passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us.

Introduction to the Team

Expedia Product & Technology builds 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 for the traveler and our partners that drive loyalty and customer satisfaction. 

This position sits with our growing Traveler Voice and Content team. This position focuses on the development of Generative AI-powered Travel Discovery and Shopping experiences. The ideal candidate for this position is a true deep learning expert with strong knowledge and background in both recommender systems as well as Generative AI. Innovation and developing cutting-edge technology as well as implementing industry-leading solutions are key responsibilities of this role. The machine learning models and algorithms you develop will improve the experiences of millions of travelers and travel partners each year.

What You’ll Do

• Conduct research and development in the following areas: Large Language Models (LLMs), Generative Retrieval, Sequential Recommender models, Mixture of Expert models, AI Agents and Multi-modal foundational models
• Develop Deep Learning AI models with superior performance to power Expedia’s Travel platform
• Conduct analysis of the model performance using data collected from the field
• Optimize existing models for improved accuracy and better performance
• Produce novel insights with machine learning to advise company strategy
• Communicate sophisticated concepts and the results of the analyses in a clear and effective manner

Who you are:

• You have Master's Degree or Ph.D. in Computer Science, Statistics, Math, Engineering or equivalent experience
• You have experience in Generative AI and/or Recommender Systems, Deep Learning, Data/Machine Learning Science
• You possess expert knowledge of Python programming language
• You have a strong knowledge and expertise in PyTorch and/or TensorFlow
• You have proven knowledge of processing and analyzing large scale data volumes, structured and unstructured data and near real-time throughput

Accommodation requests

If you need assistance with any part of the application or recruiting process due to a disability, or other physical or mental health conditions, please reach out to our Recruiting Accommodations Team through the Accommodation Request.

We are proud to be named as a Best Place to Work on Glassdoor in 2024 and be recognized for award-winning culture by organizations like Forbes, TIME, Disability:IN, and others.

Expedia Group's family of brands includes: Brand Expedia®, Hotels.com®, Expedia® Partner Solutions, Vrbo®, trivago®, Orbitz®, Travelocity®, Hotwire®, Wotif®, ebookers®, CheapTickets®, Expedia Group™ Media Solutions, Expedia Local Expert®, CarRentals.com™, and Expedia Cruises™. © 2024 Expedia, Inc. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50

Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never provide sensitive, personal information to someone unless you’re confident who the recipient is. Expedia Group does not extend job offers via email or any other messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com/jobs.

Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.