Software Development Engineer III - Expedia Global

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.

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.

Expedia Technology teams partner with our Product teams 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.

The Software Development Engineer III position is part of the Payment Vault team within Expedia Global Payments, under the Book‑to‑Trip division. This team builds and maintains Tier‑0 and Tier‑1 vaulting systems that securely store and manage travelers’ payment data, ensuring that payment details are reliably and compliantly available across bookings.

Our services are designed with high security, scalability, and availability in mind, supporting both pay‑in and pay‑out transactions on a global scale. As a key engineer on this team, you'll apply your passion for backend development, cloud computing, and modern engineering practices to solve real‑world challenges that impact millions of travelers worldwide.

• Design, build, and maintain scalable backend payment services that support Expedia’s global travel platform
• Apply software design principles, data structures and/or design patterns and computer science fundamentals to write code that is clean, maintainable, optimized, modular with good naming conventions
• Implement secure data handling practices to protect payment information and meet compliance standards
• Recommend and apply architectural patterns or GenAI capabilities to improve system design and innovation
• Enhance service reliability through observability, automation, and continuous operational improvements
• Lead and collaborate with cross‑functional teams to deliver high‑impact features aligned with Expedia’s strategic goals

• Bachelor’s degree or Master’s in a related technical field; or equivalent related professional experience
• 4+ years of experience in backend software development, working with cloud‑based and distributed systems at scale
• Proficiency in Java/J2EE, C#, or similar object‑oriented languages, with hands‑on experience integrating services with relational and No
  
  SQL databases
• Experience with CI/CD pipelines, infrastructure/test automation, and delivering features in Agile development environments

• Experience working on payment platforms or implementing backend services leveraging GenAI technologies
• Experience contributing to multiple multi‑quarter, cross‑team projects
• Experience supporting complex distributed systems in production through monitoring, debugging, incident resolution, and root‑cause analysis
• Demonstrated experience designing and deploying scalable services in a cloud environment (e.g., AWS, Azure, GCP)
• A Master’s degree in a related technical field

The total cash range for this position in Seattle is $ to $. Employees in this role have the potential to increase their pay up to $, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.

Starting pay for this role will vary based on multiple factors, including location, available budget, and an individual’s knowledge, skills, and experience. Pay ranges may be…