Senior Software Development Engineer

Requirements

• Bachelor's degree in computer science or a related technical field; or Equivalent related professional experience.
• 8+ years of relevant professional experience.
• Proven experience owning end-to-end delivery for services or components, including design, implementation, testing, deployment, and support within a multi-service or domain environment.
• Strong proficiency in at least one modern programming language and core software engineering practices, including object-oriented design, data structures, algorithms, testing, and version control.
• Hands-on experience designing and consuming APIs, working with data models and storage systems, and applying system design principles to build reliable and maintainable systems.
• Experience designing and evolving service and application architectures for high-traffic, distributed systems, including clear API contracts, data models, and low-level designs.
• Demonstrated track record driving technical direction for services or domains, making data-informed tradeoffs on scalability, reliability, performance, and cost.
• Strong f

Additional Information

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: The Air Shopping Platform team at Expedia Group builds the platform capabilities that power every flight search in our shopping funnel. When a traveler searches for flights on Expedia, our systems work behind the scenes to surface the most relevant itineraries based on personalization, preferences, and real-time supply, enabling fast and confident decision-making. As customers move forward, we focus on providing price stability, frictionless bags and seat selection, and a seamless handoff into booking, minimizing surprises and maximizing trust. If you're excited about enriching the end-to-end flight shopping journey at scale, join us and help deliver delightful experiences for millions of travelers worldwide. As a Senior Software Engineer on the Air Shopping Platform, you will own the experience immediately after a traveler selects a flight in search and lands on the flight details page. Your services will power the presentation of rich itinerary information - including layovers, duration, and price summaries - as well as bags, seats, and other ancillaries. This includes orchestrating calls to downstream connectivity partners (GDS, NDC, and other suppliers), reconciling updated itineraries and ancillary options across a stack of 15+ services, and ensuring customers can confidently proceed with minimal surprises. In this role, you will be expected to drive end-to-end delivery of key product and business initiatives, identifying experience gaps and leading the work to close them. You will deeply analyze and evolve the services in the stack, leading technical modernization, performance optimizations, and architectural improvements so that we operate at the level of the best platforms in the world. You will also be responsible for the resilience and observability of these high-scale services - designing robust failure handling, setting up effective alerting and monitoring, and proactively addressing reliability and latency issues to safeguard the customer journey. In this role, you will: Design, build, and maintain complex, highly available services and applications, including robust system design (low-level design), API design, and data modeling across multiple domains. Lead end-to-end delivery of features and services, from technical design and implementation through deployment, monitoring, and ongoing optimization in production environments. Improve technical quality and operational excellence by driving code quality standards, reducing incidents, enhancing observability, and optimizing performance and reliability. Mentor and guide other engineers, sharing best practices in software engineering, testing, and architecture, and fostering a culture of continuous improvement and learning. Collaborate with product, design, data, and other engineering teams to translate business and customer problems into scalable technical solutions that can be reused across domains. 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.

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