Software Development Engineer II- Full Stack

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 the Team: Modern Checkout is Expedia’s next-generation booking platform, replacing legacy checkout systems with a unified, orchestrated experience across Expedia, Hotels.com , Vrbo, and other brands. Team builds and operates customer-facing checkout experiences along with the backend APIs, orchestration, and booking services that support the end-to-end booking journey. Engineers work with technologies such as Kotlin, Spring Boot, GraphQL, gRPC, and React-based services, while partnering closely with product, architecture, and other engineering teams. In this role, you will: Design, develop, test, and maintain scalable, resilient, and secure full stack software services and components supporting Expedia Group products and platforms. Collaborate with product managers, architects, and engineers to translate business and customer requirements into robust system designs, including low-level design, API design, and data models across front-end and back-end services. Build and enhance user-facing experiences and supporting back-end services using clean, maintainable, and well-documented code, automated tests, and tooling that improve reliability, observability, and operational excellence. Participate in code reviews, design reviews, and technical discussions to simplify systems, reduce technical debt, and improve performance and quality across multiple services or domains. Own the end-to-end lifecycle of full stack features and services, including development, testing, deployment, monitoring, incident response, troubleshooting, and incremental improvement. Work across front-end, back-end, data, and platform domains as needed, demonstrating familiarity with AI-driven systems, tools, or workflows; applying AI/ML concepts to real-world products; and safely integrating and operating AI/ML-enabled solutions that improve outcomes. Minimum Qualifications: Bachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience. 2+ years of relevant professional experience. Experience owning full stack features or services through development, testing, deployment, operational support, monitoring, troubleshooting, and resolution of production issues. Hands-on proficiency in at least one modern programming language and its ecosystem, with experience in low-level system design, API design, and data modeling for service-oriented or microservices architectures. Solid understanding of data structures, algorithms, distributed systems concepts, and secure coding practices across client and server components. Preferred Qualifications: Experience designing and implementing scalable, fault-tolerant, and high-throughput full stack solutions, including well-structured APIs, data models, and user interfaces serving multiple teams or domains. Demonstrated success improving front-end and back-end availability, performance, reliability, or quality through metrics, observability, automation, and strong operational practices. Experience integrating AI/ML-enabled components or platforms into production full stack systems, such as personalization, recommendations, intelligent assistance, or other customer-facing capabilities, with appropriate attention to safe operation. Experience working across web front-end frameworks, back-end services, data or platform services, and related technical domains while adapting to new technologies, patterns, and AI-driven tooling. Ability to contribute to technical and architectural designs using data-driven decisions and help evolve engineering standards, patterns, and practices, including responsible and effective use of AI/ML in full stack systems. Accommodation requests Expedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at https://expedia.service-now.com/askeg?id=job_accommodation . About Expedia Group Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease. Important notice Employment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is https://careers.expediagroup.com/jobs/ . Equal Opportunity 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.