Mobile Engineer III - iOS

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.

Our Checkout Team enables one of the most important steps in a traveler's journey. Once they have chosen what they want, it's our job to make their booking smooth and easy, showing them the right information at the right time. We support complex travel products around the world, built for everyone from seasoned business travelers to people leaving on their first trip away from home.

As an Mobile Engineer III-iOS on the Modern Checkout team, you'll work with global stakeholders to help millions of people set out on great adventures, visit home, and stay connected across their hometown and around the world. You'll take on a leadership role in the checkout team, helping set the standards as we build next‑generation travel apps for our suite of brands.

• Develop and maintain engaging, high‑performance iOS applications used by millions of people, using Swift and SwiftUI
• Set standards for our development practices and mentor junior engineers
• Work with a modern, server‑driven UI framework that delivers rapid updates to users (even if they haven't run an App Store update in a while), and still builds on native platform capabilities
• Integrate mobile applications with Graph
  
  QL backend services, with the opportunity to work on those services
• Work with top‑tier AI tools to automate away the boring parts of the work and focus on creative problem‑solving for tough problems
• Collaborate with cross‑functional teams—including product, design, and backend engineers—to deliver cohesive and scalable traveler experiences
• Participate in code reviews, architectural discussions, and technical design sessions across a robust worldwide community of mobile and platform engineers to ensure best practices and maintainability
• Contribute to CI/CD improvements, automated testing, and performance optimization for mobile applications
• Identify and implement technical improvements that enhance reliability, accessibility, and customer satisfaction
• Stay current with iOS development trends and help guide adoption of new technologies and frameworks

• Bachelor’s degree in Computer Science or related technical field; or equivalent related professional experience
• 5+ years of professional experience developing and shipping iOS applications, including 2+ years experience with Swift
• Experience with Graph
  
  QL APIs, asynchronous programming, and mobile networking
• Familiarity with automated testing frameworks
• Proficient in version control (Git) and working within Scrum or Kanban agile environments

• Experience developing and releasing apps at scale, including App Store submission and release processes
• Experience working in AI‑assisted development environments
• Experience with backend technologies such as Java, Kotlin, or Node.js
• Familiarity with continuous integration and delivery (CI/CD) systems
• Strong understanding of performance tuning, accessibility, and analytics for mobile apps
• Demonstrated ability to partner effectively across disciplines to deliver customer‑focused features
• Excellent problem‑solving skills, attention to detail, and a passion for improving the traveler experience
• Enthusiasm for experimentation, learning, and building great products in a collaborative environment

Please note that this role is only…