Mobile Engineer II - 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.

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

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 II-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  this role, you will:

Develop and maintain engaging, high-performance iOS applications used by millions of people, using Swift and Swift

UIWork 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

Minimum qualifications:

Bachelor’s degree in Computer Science or related technical field; or equivalent related professional experience2+ years of professional experience developing and shipping iOS applications using Swift

Experience with RESTful APIs, asynchronous programming, and mobile networking.

Proficient in version control (Git) and working within Scrum or Kanban agile environments

Preferred Qualifications:

Experience developing and releasing apps at scale, including App Store submission and release processes

Experience with Graph

QL APIs and server-driven UI frameworks

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 and mobile testing frameworks

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

No relocation assistance offered

Please note that this role is only available in the following locations:
Seattle 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…