Software Development Engineer II in London

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 flexible work model (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.

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. The Expedia Group Pricing pillar is tasked with giving the customer a simple, clear, accurate, transparent pricing experience throughout their shopping and booking journeys. We do this by putting the customer first, creating capabilities and experiences that can be shared and presented to the customer that meet the travelers’ expectations in locally relevant ways and adhere to regulatory norms. The pricing platform supports millions of users every year in finding suitable travel products using technologies such as Java, Scala, Kotlin, Spring, MSSQL, DynamoDB, Redis, etc. We encourage experimentation with new technologies while maintaining a healthy balance between short-term and long-term goals. We deeply care about building a great experience to delight our customers. Our goal is to enhance every traveler's experience and make it better!

In this role, you will:

• Design, develop, and maintain high-throughput, low-latency distributed backend services that deliver efficient, optimal pricing solutions at scale.
• Implement robust caching mechanisms to enhance application performance, reduce latency, and optimize resource utilization.
• Participate in system design, API design, and data modeling for scalable, reliable microservices.
• Contribute to technical documentation, detailed code reviews, and architecture discussions to ensure high-quality solutions.
• Analyze complex problems, break them down into manageable milestones, and collaborate with cross-functional teams to deliver sustainable solutions.
• Safely integrate and operate AI/ML-enabled solutions that improve outcomes, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real-world products.

Minimum Qualifications:

• Bachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience.
• 2+ years of relevant professional experience.
• Hands-on experience in backend software development using Java, Scala, Kotlin, or similar languages, and building scalable distributed systems and services.
• Practical knowledge of caching technologies (e.g., Redis, Couchbase, Memcached) and experience with relational and NoSQL databases, API patterns, and service-oriented architectures.
• Demonstrated ability to contribute to technical reviews, maintain high coding standards, and thrive in Agile, collaborative team environments.
• Experience designing and operating distributed, event-driven systems using Kafka Streams, AWS Kinesis, or similar frameworks.
• Proven ability to optimize microservices for low-latency, high-throughput processing at significant scale.

Preferred Qualifications:

• Familiarity with AWS cloud infrastructure, auto-scaling, blue-green deployments, and building/maintaining SLAs, SLOs, and SLIs.
• Strong commitment to test-driven development, proactive monitoring, and operational excellence in production environments.
• Demonstrated proficiency in safely integrating AI/ML-enabled solutions within backend systems and leveraging AI-driven tools or workflows to enhance real-world product outcomes.

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.

Expedia Group 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.