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.

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.

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 II position is part of the Servicing team, which builds and supports Web and Native App traveler self‑service experiences for all Expedia brands and partners. In this role, you will design, build, and operate servicing experiences across web and native apps, collaborating closely with Product, XD, and Program Management.

You will contribute to the technical design and implementation of scalable services and user experiences in the traveler Servicing space, including applying AI‑ and agentic‑driven capabilities to help travelers resolve their needs quickly and intuitively. As an SDE II, you will be a hands‑on engineer, owning features end‑to‑end and helping to elevate engineering practices on the team through high‑quality code, testing, and operational excellence.

• Design, develop, test, and maintain high‑quality software components and services, contributing to low‑level system design, API design, and data modeling within your team’s domain.
• Implement robust, secure, and performant code using established engineering best practices, including automated testing, code reviews, observability, and continuous integration and delivery.
• Collaborate with product, design, and engineering peers to refine requirements into clear technical solutions, breaking down work into incremental, shippable deliverables.
• Troubleshoot, debug, and resolve production issues, improving reliability, scalability, and operational excellence of services you own or support.
• 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.
• Contribute to documentation, knowledge sharing, and cross‑team collaboration, enabling your solutions to be reusable and fungible across multiple services and domains.

• 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 working on production systems and services.
• Experience owning and delivering components or services within a larger system, including responsibility for design, implementation, testing, and operational readiness.
• Proficiency in at least one modern programming language and core computer science fundamentals such as data structures, algorithms, object‑oriented design, and distributed systems basics, including experience building and consuming APIs and working with relational or No
  
  SQL data stores.

• 2+ years of full‑stack development experience across front‑end and back‑end services
• Recent hands‑on experience building and operating Node.js + React‑based applications in production
• Experience implementing and maintaining Graph
  
  QL‑based backends
• Experience designing and implementing service APIs and data models consumed by multiple teams or…