Senior Software Development Engineer

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 Technology is at the heart of Expedia Group, powering the products and experiences that help travelers explore the world. Our teams build secure, reliable, and scalable technology that connects travelers with the best travel options and enables our partners to succeed. This Senior Software Engineer role is part of the Inventory Team team which sits within our Technology division. The team manages the inventory platform that connects supply partners and travelers by ingesting, processing, and distributing lodging products, rates, availability, and merchandising data to support shopping and booking experiences across Expedia Group. In this role, you will design and deliver scalable software that helps the team provide accurate, reliable inventory data and improve the traveler and partner experience. In this role, you will: Design, build, and evolve backend services and supporting frontend experiences, including system design (LLD), API design, and data modeling for scalable, secure, and reliable solutions. Implement high-quality production code across backend and frontend components, emphasizing maintainability, automated testing, observability, and operational excellence. Collaborate with product, design, and partner engineering teams to translate customer and business requirements into robust technical solutions, reusable service integrations, and intuitive user experiences. Own and improve the end-to-end lifecycle of services and features, including development, testing, deployment, monitoring, troubleshooting, and incident resolution. Apply data, metrics, experimentation, and analytics to prioritize work, validate hypotheses, and continuously improve system performance, reliability, and user experience. 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.

Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience. 8+ years of relevant professional experience. Demonstrated ownership of services, components, or features across design, implementation, quality, deployment, and operational support within a product or domain area. Strong proficiency in software engineering fundamentals, including data structures, algorithms, system design (LLD), API design, and data modeling, with hands-on experience applying them in production systems. Hands-on experience with modern backend and frontend technologies, service architectures, and AI-driven tools or workflows that enhance developer productivity or product capabilities.

Experience designing and evolving multi-service or full-stack architectures, including well-structured APIs, data models, frontend integrations, and service-to-service integration patterns. Demonstrated success improving high-traffic or customer-facing systems through performance tuning, resilience hardening, reliability engineering, and optimization across backend and frontend layers. Strong operational excellence practices, including instrumentation, logging, metrics, observability, alerting, on-call participation, and