Mobile Engineer III

Expedia Group, Inc.

$146K — $204K *
Consumer Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or related field or equivalent professional experience.
  • 5+ years of experience in Swift and iOS/iPadOS development, with in-depth software architecture and modern UI frameworks expertise.
  • 3+ years working with mobile architectures like MVVM or VIPER covering key practices.
  • Proven ownership of iOS application features, including API integration and system design responsibilities.
  • Demonstrated proficiency in core iOS concepts such as UIKit/SwiftUI and automated testing.
  • Familiarity with AI-enabled solutions for mobile applications.

Responsibilities

  • Design, build, and deliver high-quality iOS features using Swift and modern frameworks.
  • Translate requirements into technical designs, covering system architecture and data modeling.
  • Implement robust, testable Swift code and maintain engineering standards through code reviews.
  • Collaborate across teams to ensure features effectively integrate with backend services.
  • Mentor junior engineers through code reviews and pairing sessions, fostering skill growth.
  • Safely integrate AI/ML solutions to enhance product outcomes.
  • Contribute to mobile best practices for reusable solutions across iOS applications.

Benefits

  • Medical, dental, and vision coverage.
  • Paid time off and an Employee Assistance Program.
  • Wellness and travel reimbursement.
  • Travel discounts for employees and families.
  • International Airlines Travel Agent Network (IATAN) membership.
Full Job Description
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.

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