Mobile Engineer III - iOS
Expedia Group
- Location
- UK - London
- Work model
- On-Site
- Level
- Senior
- Posted
- Sep 18, 2026
Skills
About this role
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 without requiring code changes for every adjustment.
Key Responsibilities
In this role, you will: 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 and Hotels.com. 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. Experience developing and shipping iOS applications, with concrete examples you can discuss, including publicly available applications where applicable. 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.