Mobile Engineer III, 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.

Mobile Engineer III, iOS

As a Mobile Engineer III, iOS, you will play a pivotal role in shaping the traveler experience at one of the world's largest travel platforms. You will be part of the team responsible for Expedia’s mobile payment experience—an area of strategic importance and massive scale (millions of users).

You’ll work on exciting new features that make the payment experience seamless for users—adding new forms of payment, new capabilities, improving the current experience, monitoring and improving page performance, building alerting and monitoring for key metrics, and expanding the native payment experience to support multiple lines of business and points of sale. You will help lead technical initiatives, mentor junior engineers, and own the design and implementation of complex features. Beyond excellent engineering skills, you bring product thinking, a quality mindset, and a collaborative spirit.

In this role, you will:

• Lead Development Efforts: Design and build scalable, high-performance iOS components using Swift, Swift UI, and Combine, contributing to Expedia’s modular payment architecture.
• Mentor and Guide: Support and mentor junior developers through code reviews, design discussions, and technical coaching.
• Own Features End-to-End: Translate product requirements into robust technical solutions—from ideation and architecture to testing and deployment.
• Drive Technical Excellence: Champion coding standards, test automation, and architectural best practices. Improve app performance, reliability, and scalability.
• Collaborate Cross-Functionally: Partner closely with designers, product managers, backend engineers, and QA in an agile, globally distributed team.
• Foster Innovation: Evaluate new tools, libraries, and frameworks. Experiment and advocate for improvements in developer workflows and product capabilities.

Minimum Qualifications:

• 4+ years of professional iOS development experience in shipping high-quality, consumer-facing applications.
• Expert-level proficiency in Swift and Xcode tooling.
• Strong command of core iOS frameworks such as SwiftUI, Combine, and UIKit.
• Experience with mobile application integration with backend APIs.

Preferred Qualifications:

• Familiarity with modern app architecture patterns (e.g., MVVM, VIPER), dependency injection, and modularization.
• Proven experience building unit and integration tests, with a focus on performance optimization and debugging production issues.
• Experience with CI/CD pipelines, A/B testing frameworks, analytics, and mobile application monitoring systems.
• Strong communication and interpersonal skills, with experience contributing to team planning and knowledge sharing.
• A passion for keeping up with evolving mobile trends and finding elegant solutions to complex problems.

Why Expedia Group?

• Impact: Build for scale—power experiences for millions of travelers across the globe.
• Autonomy: Influence architecture and engineering practices with real ownership and accountability.
• Growth: Work with world-class talent in a learning-first environment. Access to mentorship, tech talks, and global mobility.
• Culture: Inclusive, mission-driven, and innovation-focused. We believe in empowering teams to make bold decisions.

Accommodation requests

If you need assistance with any part of the application or recruiting process due to a disability, or other physical or mental health conditions, please reach out to our Recruiting Accommodations Team through the Accommodation Request.

We are proud to be named as a Best Place to Work on Glassdoor in 2024 and be recognized for award-winning culture by organizations like Forbes, TIME, Disability:IN, and others.

Expedia Group's family of brands includes: Brand Expedia®, Hotels.com®, Expedia® Partner Solutions, Vrbo®, trivago®, Orbitz®, Travelocity®, Hotwire®, Wotif®, ebookers®, CheapTickets®, Expedia Group™ Media Solutions, Expedia Local Expert®, CarRentals.com™, and Expedia Cruises™. © 2024 Expedia, Inc. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50

Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never provide sensitive, personal information to someone unless you’re confident who the recipient is. Expedia Group does not extend job offers via email or any other messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com/jobs.