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Senior Machine Learning Engineer (Back-End)

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Position Description:

Are you fascinated by machine learning and building robust machine learning services and back-end services to provide ML capabilities with the goal of offering the best personalized experience to the end consumers?

This is exactly what we, the Machine Learning Engineering group in Expedia, do.  Our mission is to partner with our Machine Learning Science counterparts to use AI/ML to collaboratively transform Expedia’s data assets into intelligent and real-time insights to support a variety of applications which are used by 1000+ market managers, analysts, our supply partners, and our travelers. Our work spans across a variety of datasets and ML models and across a diverse technology stack ranging from Spark, Sagemaker, Airflow, Databricks, Kubernetes, AWS and much more! 


  • You will work in a cross-functional team of Machine Learning Engineers and Machine Learning Scientists to design and code large scale batch and Real-Time ML

  • Prototype creative solutions quickly by developing minimum viable products and work with seniors and peers in crafting and implementing the technical vision for the team

  • Communicate and work with geographically distributed cross functional teams 

  • Participate in code reviews to assess overall code quality

  • Resolve problems and roadblocks as they occur with peers and help unblock junior members of the team.

  • Define, develop, and maintain artifacts like technical design or partner documentation

  • Drive for continuous improvement within an agile development team

  • Participate in user story creation in collaboration with the team

  • Support and troubleshoot data and/or system issues as needed


  • You have a degree in software engineering, computer scienceor a similar field.

  • You have strong experience a software engineer in Java and Python with strong skills on back-end engineering/APIs

  • You have hands-on experience designing, building, and deploying scalable cloud-based solution architectures and infrastructure.

  • You have knowledge of CI/CD development methodologies and technologies.

  • You have knowledge on multithread

  • You have a good understanding and experience on machine learning ecosystem and machine learning frameworks such as TensorFlow and Pytorch

  • You are familiar with cloud services (e.g., AWS)

  • You have experience working with Agile/Scrum methodologies.

Nice to have:

  • You are familiar with the e-commerce or travel industry.

About Expedia Group

Expedia Group (NASDAQ: EXPE) powers travel for everyone, everywhere through our global platform. Driven by the core belief that travel is a force for good, we help people experience the world in new ways and build lasting connections. We provide industry-leading technology solutions to fuel partner growth and success, while facilitating memorable experiences for travelers. Expedia Group's family of brands includes: Brand Expedia®,®, Expedia® Partner Solutions, Vrbo®, trivago®, Orbitz®, Travelocity®, Hotwire®, Wotif®, ebookers®, CheapTickets®, Expedia Group™ Media Solutions, Expedia Local Expert®,™, and Expedia Cruises™.

© 2021 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 to whom we have not made prior contact. Our email domain is The official website to find and apply for job openings at Expedia Group is

Expedia iscommittedto creating an inclusive workenvironmentwith a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.
  • United Kingdom - London

  • Technology

  • Full-Time Regular

  • 01/20/2023

  • ID # R-79470

Job Accommodation Requests

At Expedia Group, we're committed to providing an inclusive and accessible recruiting experience for candidates with disabilities. If you require an accommodation or adjustment for any part of the application or hiring process, please let us know by completing our Accommodation Request form.