Mobile Engineer III - iOS

Expedia, Inc.; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Expedia Group is seeking an experienced iOS engineer to design and deliver high-quality mobile experiences across Expedia, Hotels.com and Vrbo. You will develop complex iOS apps in Swift, evaluate architecture choices, and collaborate with product managers, backend teams, brand teams, and other platform groups to ship reliable features.

You will contribute to initiatives like server-driven UI, AI-assisted development tooling, and large-scale migrations while ensuring performance, accessibility,

Qualifications

• Approximately 5–7 years of professional software development experience with substantial iOS work.
• Advanced experience developing complex iOS apps using Swift.
• Strong understanding of iOS architecture and trade-offs.
• Experience delivering software from concept through production with a quality focus.
• Proficient communication and the ability to explain technical decisions clearly.
• Experience using AI-assisted development tools as part of modern workflows.

Responsibilities

• Develop high-quality iOS interfaces for complex applications using Swift.
• Design and evolve iOS solutions, evaluating architectural trade-offs.
• Deliver consumer-facing experiences across Expedia brands (Expedia, Hotels.com, Vrbo).
• Build configurable platform capabilities to support multiple brands and products.

Skills

Swift iOS development

iOS architecture

Cross-functional collaboration

Communication

AI-assisted development tools

Job description

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 the Team

Expedia Technology teams partner with our Product teams 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 Search Results and Recommendations experience team owns how search-result data is presented across Expedia Group’s consumer brands and B2B experiences. As a platform team, we build configurable and reusable UI capabilities across web, iOS, and Android, enabling brands to improve their experiences using no-code or low-code tools for every adjustment.

Key Responsibilities

• Develop high-quality user interfaces for complex iOS applications using Swift.
• Design, implement, and evolve iOS solutions while evaluating architectural trade-offs.
• Deliver consumer-facing experiences for applications such as Expedia, Hotels.com and Vrbo.
• Build configurable, reusable platform capabilities that support multiple brands and products.
• Consider device capabilities and design considerations across iPhone and iPad.
• Collaborate with product managers, backend teams, domain service teams, brand teams, and other platform groups.
• Explain technical challenges, decisions, and solutions clearly to technical and non-technical stakeholders.
• Contribute to initiatives including server-driven UI, clickstream improvements, product-card redesigns, platform migration, BEX redesign, and banner content management.

Experience and Qualifications

Required

• Approximately 5–7 years of professional software development experience, including substantial iOS development.
• Advanced experience developing complex iOS applications using Swift.
• Proven understanding of iOS application architecture and the trade-offs between architectural approaches.
• Experience delivering software from concept through production, with a consistent focus on quality.
• Proficient communication skills and the ability to explain technical challenges and delivery decisions clearly.
• Experience using AI-assisted software development tools as part of modern engineering workflows.

Preferred

• Experience developing consumer-facing mobile applications.
• Experience with reusable platforms, configurable UI, server-driven UI, or large-scale application migrations.
• Experience collaborating across web, iOS, Android, B2B, product, and domain-service teams.

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.

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, religion, gender, sexual orientation, national origin, disability or age.