Software Development Engineer II

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.

Join the Flight Search Services (FSS) team, the engine room behind Expedia Group’s global air shopping platform. In this role, you will be instrumental in building and scaling high-throughput, low-latency backend systems that process massive volumes of data to connect travelers with flights worldwide. This is a unique opportunity for a developer who thrives on solving complex distributed systems problems to make a tangible impact on our core business.

You will collaborate with a talented, cross-functional team to deliver high-quality, production-ready software that powers the future of travel.

• Design, develop, test, and maintain services and components with a focus on clean API design, robust data modeling, and reliable system behavior
• Contribute to system design, including low-level design decisions, to ensure services are scalable, observable, and maintainable
• Implement high-quality, well-tested code, participate in code reviews, and improve engineering standards, tooling, and processes across the team
• Collaborate with product, design, and partner engineering teams to deliver features end-to-end, balancing technical quality with delivery timelines
• 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
• Work across multiple services or components within a domain, diagnosing production issues, improving performance, and contributing to operational excellence

• Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience
• 2+ years of relevant professional experience
• Professional software development experience with ownership of services or components within a broader system
• Proficiency in at least one modern programming language and associated ecosystem, with hands‑on experience in API design, data modeling, and system design (including low‑level design)
• Experience building, testing, deploying, and operating backend or full‑stack services in production environments, including participating in on‑call or incident response rotations as appropriate

• Strong proficiency in modern Java development, with a track record of writing clean, maintainable, and production‑ready code
• Hands‑on experience with public/hybrid cloud services and container orchestration tools like Kubernetes to deploy and manage scalable applications
• Previous experience working on high‑throughput, low‑latency backend systems; familiarity with handling millions of requests daily is a strong plus
• A solid understanding of distributed systems concepts, microservices architecture, and API design
• Experience with CI/CD pipelines, automated testing, and monitoring tools to ensure system reliability and health
• A proactive approach to debugging complex issues in a distributed environment and a passion for optimizing performance

Please note that this role is only available in the following location:
Seattle, WA, in alignment with our flexible work model, which requires employees to be in‑office at least three days a week. We are unable to offer relocation assistance for this role.

The total cash range for this position in Seattle is $ to…