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Senior Software Engineer

United Kingdom - London


Senior Software Engineer

The team at Expedia Group are looking for a Senior Software Engineer who is highly motivated and disciplined, to join their awesome Platform & Marketplace Engineering team.

We’ll take your career on a journey that’s flexible and right for you, whilst recognizing and rewarding your achievements…

  • A conversation around flexible working and what is right for you is encouraged from day one/your first conversations with
  • Competitive salaries and many growth opportunities within the wider Expedia Group
  • Option to attend conferences globally and enrich the technology skills you are passionate about
  • Cash and Stock rewards for high achievers
  • Extensive travel rewards and discounts for all employees!

What you’ll do…

As a Senior Software Engineer, you will be responsible for the delivery of a platform that will accelerate the adoption of machine learning across Expedia Group. This includes working with other software engineers, stakeholders, technical product managers, and data scientists to understand requirements, complete solution design, implementation and delivery to our customers. You will be using cutting edge technologies including, but not limited to Kubernetes, Spring, Spark, Flink, Prometheus, DynamoDB, Java 11 and open-source projects which we contribute to.

You’ll be responsible for…

  • Develop various facets of our platform to support algorithmic features and machine learning experiments
  • Write clean, maintainable and well-tested code
  • Develop code as part of a wider team through pair programming and code reviews
  • Regularly refactor code to adapt to fast moving business requirements and evolving technical landscapes
  • Deploy and maintain applications in AWS production environments
  • Develop production ready components keeping in mind security, monitoring, metrics, alerting and documentation
  • Be able to compare and contrast trade-offs of different technical solutions
  • Brainstorm software design and architecture on the whiteboard
  • Communicate and document solutions and design decisions
  • Provide technical guidance to other team members, review work of peers and more junior developers
  • Work with remote development teams and guide/mentor them
  • Work with business partners and data science to flesh out and deliver on requirements in an agile manner
  • Support the adoption of the platform across technology teams
  • Be up to date with innovation and research in the ML ecosystem

Who you are…

  • Extensive Java server-side programming experience
  • Background in OOP, performance and scalability tuning, algorithms and computational complexity
  • Experience with design and architecture of complex systems that scale well with increasing volumes of data
  • Experience with processing massive structured and unstructured data sets
  • Agile development methodologies including Scrum or Kanban, code reviews, continuous integration and pair programming
  • Experience working in cross-functional teams with “You build, you run it” mentality
  • Proven ability to research varied technologies to solve challenging business problems, and quickly develop proof of concepts
  • Good interpersonal skills, verbal and written communication skills when working with both business and technical

Nice to have…

  • Experience of small to medium projects where you applied ML theories, techniques and libraries.
  • A good working knowledge of security concepts is desirable
  • Experience working with cloud technologies is desirable
  • MS/BS degree in a computer science field or related discipline is nice but not essential

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 to 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®, Vrbo®, Orbitz®, Travelocity®, Wotif®, ebookers®, CheapTickets®, Hotwire®, Expedia® Media Solutions,™, Expedia Local Expert®, Expedia® Cruise® and SilverRail Technologies, Inc. For more information, visit

We’re excited for you to make Expedia an even more awesome place to work!

So what are you waiting for? Apply now and join us on our journey to become the #1 travel company in the world!

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.

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Job Category
Technology Group

Job Function

United Kingdom - London

Job Type
Full-Time Regular

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