Machine Learning Scientist III

at Expedia Group
Published November 15, 2022
Location London, United Kingdom
Category Machine Learning  
Job Type Full-time  


If you need assistance during the recruiting process due to a disability, please reach out to our Recruiting Accommodations Team through the Accommodation Request form . This form is used only by individuals with disabilities who require assistance or adjustments in applying and interviewing for a job. This form is not for inquiring about a position or the status of an application.

The team is part of Growth Marketing Applied Research and uses neural network based models for algorithmic bidding.

The team works in the meta-bidding space on high profile cross-brand data pipelines and neural network algorithms for our largest partner, participating in ad based auctions with millions of dollars in spend and revenue per month.

What You'll Do

  • Support global roll-out of neural network algorithm across the business
  • Write code that is clean, maintainable, optimized, modular with good naming conventions and in a way that enables efficient and accurate translation into a data pipeline
  • Build, deploy and optimise ML models for algorithmic bidding.
  • Research and enhance our existing implementations.
  • Tackle business problems by applying fundamental machine learning models, algorithms and techniques using standard libraries
  • Independently conduct proper model performance evaluation without help
  • Spend a large amount of time to help improve model generalization and robustness
  • Apply a range of common statistical methods to solve business problems
  • You will communicate a compelling rationale and narrative to peers and partners
  • You will communicate across various levels of the organization, tailor messages to audience and filters relevant information
  • You will communicate a compelling rationale and narrative to peers and partners.
  • You will frame challenging business problems as a data science problem and concrete set of tasks
  • You will grow professionally; expand your skills and curiosity; be creative; also help others become their best.

Who you are:

  • Ph.D. or Master in Computer Science or a related quantitative field
  • 2+ years of industry experience specific to Data Science
  • Demonstrated ability to build and maintain multiple data science project/product in production environments
  • Have significant experience in at least one major ML programming language (Python, Scala…) and familiar with others
  • Solid knowledge of Machine Learning techniques and hands-on practice with Neural Networks with either Pytorch or Tensorflow
  • Solid understanding and experience in database technologies, including SQL and NoSQL
  • Experienced in industrial application of machine learning
  • Demonstrated understanding both frequentist and Bayesian statistics
  • You are adaptable, fl exible and quick to learn new concepts
  • You have excellent written and verbal communication .

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 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.