iOS 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.

This Mobile Engineer III role is part of the SPX - Run The Business team which sits within our Technology division. The Supply Partner Experience (SPX) Run The Business team supports the design and experience of the reservations, conversations, and reviews pages in Partner Central, helping partners manage bookings, communicate with travelers, and respond to feedback more efficiently.

You will use your mobile engineering expertise to build and continuously improve intuitive, reliable experiences that make it easier for our lodging partners to run their business on the go.

In this role, you will:

• Design, build, and maintain iOS applications and features, ensuring high performance, quality, and responsiveness to user needs..
• Implement and evolve clean, scalable architectures for iOS, including system design, API integration patterns, and data modeling aligned with Expedia Group standards..
• Collaborate with cross-functional partners (product, design, backend, data) to translate business and customer requirements into robust, user-centric mobile solutions..
• Diagnose and resolve complex defects and performance bottlenecks, improving reliability, observability, and maintainability across multiple iOS components or services..
• Apply familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products, including safely integrating and operating AI/ML‑enabled solutions that improve outcomes in mobile experiences..
• Contribute to shared mobile frameworks, libraries, and best practices to enable reuse and fungibility across multiple iOS apps, domains, and feature areas..

Minimum Qualifications:

• Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience..
• 5+ years of relevant professional experience..
• Professional experience developing and shipping iOS applications at scale, using Swift and/or Objective-C within modern mobile architectures..
• Proven ownership of multiple features or services within an iOS application or mobile domain, including responsibility for design, implementation, testing, and operational support..
• Demonstrated competence in system design for mobile (including low-level design), API consumption and contract definition, and data modeling for offline/online scenarios on iOS.

Preferred Qualifications:

• Experience architecting and evolving complex iOS applications or modules that serve large user bases, with a track record of improving performance, reliability, and code quality..
• Background in designing and reviewing mobile system design (LLD), API design, and data models that support scalable, secure, and observable integrations with backend and third-party services..
• Strong focus on operational excellence, including metrics, logging, monitoring, experimentation, and data-driven decision making to guide mobile feature development and optimization..
• Safely integrates and operates AI/ML‑enabled solutions that improve outcomes in native iOS experiences, such as personalized content, recommendations, or intelligent assistance features..
• Hands-on experience leveraging AI-assisted development or testing tools for mobile engineering and integrating AI/ML capabilities into iOS products in partnership with platform or data science teams, with familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products..

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.expediggroup.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.