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.

Introduction to the Team 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  this role, you will:

Design, develop, test, and deploy software solutions for defined services, applying solid coding practices and effective code reviews to maintain high quality and reliability

Contribute to low-level system design, API design, and data modeling for services and components, ensuring solutions are scalable, maintainable, and aligned with architectural guidelines

Troubleshoot and resolve issues across the software development lifecycle, including debugging, performance tuning, and improving operational stability of owned services

Collaborate with peers, technical leads, and partner teams to break down requirements, estimate work, and deliver features that support multiple products or domains

Safely integrate and operate AI/ML‑enabled solutions that improve outcomes, including using AI‑driven tools in development workflows and validating their outputs for correctness and safety

Build familiarity with AI-driven systems, tools, or workflows and apply AI/ML concepts to real world products where appropriate, ensuring secure, compliant, and reliable adoption

Minimum Qualifications:

Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience2+ years of relevant professional experience

Professional software development experience applying object-oriented or functional programming, data structures, and algorithms to build and maintain production services or applications

Experience owning components or services through the full development lifecycle, including design, implementation, testing, deployment, and operational support

Proficiency in system design at the component level, including API design, data modeling, and integration patterns within a service or small set of related services, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products

Preferred Qualifications:

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 GraphQL-based…