Mobile Engineer III

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business. Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy.

Our five Behaviors - Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together - help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere.

Our Technology Team partners with teams across Expedia Group 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 Mobile Engineer III (iOS) role is part of the VR Differentiators team, a key part of our Multi‑Channel Shopping organization. Our team owns and operates across a number of critical Tier‑1 applications and features that power shopping experiences for Vacation Rentals (VR) across multiple brands (Vrbo, Expedia, and others). In this role, you will lead and deliver impactful features and improvements in our native iOS applications, directly influencing the shopping experience for millions of travelers.

You will collaborate closely with Android, Web, and backend teams to create cohesive, high‑quality experiences on every device our customers use.

In this role, you will:

• Design, build, and ship high‑quality iOS features using Swift and modern iOS frameworks (e.g., SwiftUI and/or UIKit), ensuring a polished, performant, and accessible user experience in a large‑scale consumer app.
• Translate product and experience requirements into clear technical designs, including system design (LLD), API design, and data modeling for mobile client integration.
• Implement high‑quality, testable Swift code, apply robust debugging practices, and participate in code reviews to maintain engineering standards across the iOS codebase.
• Collaborate with cross‑functional partners across multiple product areas to deliver features that work reliably with backend services, shared components, and experimentation platforms.
• Mentor other engineers through code reviews, design reviews, and pairing sessions.
• Help elevate the team's engineering practices, grow others' skills, and contribute to a culture of inclusion, learning, and ownership.
• 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 the evolution of shared mobile patterns, tooling, and best practices so that solutions are reusable and fungible across multiple iOS applications and domains.

• Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience.
• 5+ years of relevant professional experience in Swift and iOS/iPadOS development, with expertise in software architecture, systems integration, and modern UI frameworks (SwiftUI, UIKit) including modular UI design.
• 3+ years of experience with mobile architectures (MVVM, VIPER), covering state management, dependency injection, navigation patterns, modularization, and overall testability.
• Proven ownership of features or services within an iOS application, including…