Full Stack Software Engineer II

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business. Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere. Introduction to Team Our Technology Team partners with teams across Expedia Group to create 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 that drive loyalty and traveler satisfaction. This full stcak software development Engineer role is part of the XE - Checkout Experience team which sits within our Technology division. XE - Checkout Experience owns and operates critical checkout and booking services across Expedia Group brands, ensuring travelers can seamlessly review trip details, choose how they pay, and complete their bookings reliably at scale. In this role, you will build and maintain resilient, high-performing checkout services that keep travelers’ bookings flowing smoothly, even under heavy traffic and complex, multi-product journeys. As a Full Stack Software Engineer working on Expedia’s critical production checkout applications, your mission will be to ensure Expedia Checkout is always fast, available, scalable, and engineered to withstand unparalleled demand. You will be in the thick of solving the [often unexpected] problems of systems at scale in a way most engineers never experience. You will have strong analytical and troubleshooting skills, proficiency in coding and systems design, solid interpersonal skills and a desire to tackle the complex problems of scale. You are a collaborative and creative individual and you thrive in a dynamic and agile environment. You adapt to new technologies and enjoy working on complex problems. Every day, we at Expedia get to innovate on web applications that millions of travelers use to plan, book and experience trips they will remember forever.

Design, develop, test, and maintain high-quality software components and services, contributing to low-level system design, API design, and data modeling within your team’s domain. Implement robust, secure, and performant code using established engineering best practices, including automated testing, code reviews, observability, and continuous integration and delivery. Collaborate with product, design, and engineering peers to refine requirements into clear technical solutions, breaking down work into incremental, shippable deliverables. Troubleshoot, debug, and resolve production issues, improving reliability, scalability, and operational excellence of services you own or support. 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. Contribute to documentation, knowledge sharing, and cross-team collaboration, enabling your solutions to be reusable and fungible across multiple services and domains.

2+ years of professional experience in full-stack software development. Bachelor's or Master's degree in Computer Science; or equivalent related professional experience. Proficiency in at least one modern programming language(Java/Kotlin) and associated frameworks, with solid understanding of data structures, algorithms,