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.

Introduction to Team

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 powers 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

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.
Minimum Qualifications:

• 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 responsibility for integrating with APIs, data models, and related system design (LLD).

• Demonstrated proficiency with core iOS development concepts such as UIKit/SwiftUI, concurrency, networking, persistence, and automated testing.

• Familiarity with AI-driven systems, tools, or workflows and the ability to safely integrate and operate AI/ML‑enabled capabilities within mobile applications.

Preferred Qualifications:

• Skilled in integrating REST/GraphQL APIs and building resilient mobile data layers, including offline handling, caching, error management, and on‑device persistence.

• Proficient with Xcode, Git, and mobile CI/CD pipelines (automation, signing, release workflows) using tools such as GitHub Actions and Bitrise.

• Strong focus on quality and performance through unit, integration, and UI testing (XCTest, XCUITest), along with profiling and monitoring using Instruments, memory/CPU tools, crash reporting, and analytics.

• Experience building and scaling large consumer-facing mobile apps, including A/B testing, feature flagging, and experimentation frameworks.

• Familiar with cloud platforms (e.g., AWS) and backend services that support mobile applications, with effective collaboration in agile, cross‑functional teams and strong communication/technical leadership skills.

Please note that this role is only available in Austin, TX, in alignment with our flexible work model, which requires employees to be in the office at least three days a week. We are unable to offer relocation assistance for this role.

The total cash range for this position in Austin is $146,000.00 to $204,500.00. Employees in this role have the potential to increase their pay up to $233,500.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.

Starting pay for this role will vary based on multiple factors, including location, available budget, and an individual’s knowledge, skills, and experience. Pay ranges may be modified in the future.

Benefits and perks

Expedia Group offers benefits and perks designed to support employees and their families, including medical, dental, and vision coverage, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and International Airlines Travel Agent Network (IATAN) membership. Learn more about life at Expedia Group at https://careers.expediagroup.com/life.

Accommodation requests

Expedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at https://expedia.service-now.com/askeg?id=job_accommodation.

About Expedia Group

Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease.

Important notice

Employment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is https://careers.expediagroup.com/jobs/.

Equal Opportunity

Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other characteristic protected by law. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.