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Senior Software Development Engineer - Scala/Java

United Kingdom - London


Looking for an opportunity to develop your skills in Scala?

We are looking for a passionate Senior Software Engineer who is interested in artificial intelligence, specifically machine learning, to join our Core Services team at

What you'll do

As a Software Engineer in the Core Services team you will be working on key pricing APIs and the sort domain. As we introduce sort algorithms you will have the opportunity to dabble in machine learning.

This team is self-managed – they are in charge of their own destiny, solving their own problems with the satisfaction of autonomy. They own the operational responsibility of their services and work closely with Ops team in a DevOps way. We guarantee you’ll learn a lot and won't be bored!

  • Developing in Scala and working in a fast paced agile environment developing features planned as part of a roadmap.
  • Collaborate closely with engineering and stakeholder teams when needed.
  • Write clear, concise and well-tested code.
  • Contribute to the system architecture.
  • Proactively monitor the health of applications owned by the team and address issues
  • Participate in code reviews.
  • Be very focused on delivery whilst not comprising on quality.
  • Encourage people to look at new ways of doing things.

Who you are

We don’t believe in matching people against a list of buzzwords. We look for smart people with good general programming skills as we believe that clever developers can learn new technologies quickly and well. However it wouldn't hurt if you have experience with some of the following (or at least an interest in learning them):

  • Scala (preferable although if you're a great Java Developer, we can teach you!)
  • Java server-side programming
  • Advantageous: Cassandra, Finatra and Finagle
  • An interest in machine learning
  • Passionate about improving quality and processes
  • Value the importance of quality for the whole organization and not just to the application
  • Welcome a changing environment
  • Motivated and enthused by difficulty & challenge, coupled with a strong competitive nature to excel and be the best

We believe in flexible working and this role could be fulfilled on a flexible working set-up, this can be discussed during the interview process.

About is the most rewarding way to book a place to stay. We really love travel and we know you do too. That’s why we make it really easy to book with us. With hundreds of thousands of places to stay around the world and 90 local websites in 41 languages, has it all. So, whether you’re looking for value in Vegas, treehouses in Thailand or villas with views, it’s all just a click away.  And with our “Reward-winning” loyalty program you earn free* nights while you sleep…what could be better? Booking just got smarter too. With over 25 million real guest reviews and an app so easy to use that it’s been downloaded 70 million times, you can be sure to find the perfect place for you.

Why join us

Expedia Group recognizes our success is dependent on the success of our people. We are the world's travel platform, made up of the most knowledgeable, passionate, and creative people in our business. Our brands recognize the power of travel to break down barriers and make people's lives better – that responsibility inspires us to be the place where exceptional people want to do their best work, and to provide them the tools to do so.

Whether you're applying to work in engineering or customer support, marketing or lodging supply, at Expedia Group we act as one team, working towards a common goal; to bring the world within reach. We relentlessly strive for better, but not at the cost of the customer. We act with humility and optimism, respecting ideas big and small. We value diversity and voices of all volumes. We are a global organization but keep our feet on the ground so we can act fast and stay simple. Our teams also have the chance to give back on a local level and make a difference through our corporate social responsibility program, Expedia Cares.

If you have a hunger to make a difference with one of the most loved consumer brands in the world and to work in the dynamic travel industry, this is the job for you.

Our family of travel brands includes: Brand Expedia®,®, Expedia® Partner Solutions, Egencia®, trivago®, HomeAway®, Orbitz®, Travelocity®, Wotif®,®, ebookers®, CheapTickets®, Hotwire®, Classic Vacations®, Expedia® Media Solutions,™, Expedia Local Expert®, Expedia® CruiseShipCenters®, SilverRail Technologies, Inc., ALICE and Traveldoo®.


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.


Job Category
Technology Group

Job Function

United Kingdom - London

Job Type
Full-Time Regular

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