Mobile Engineer III - iOS

In This Role, You Will:

• Design, build, and maintain native iOS applications that are secure, performant, and resilient using modern iOS frameworks and best practices
• Translate product and experience requirements into clear technical designs (LLD, API design, data models)
• Collaborate cross‑functionally with backend, product, design, and quality teams to deliver end‑to‑end customer journeys
• Write clean, testable, and observable code; contribute to automated testing, monitoring, and code reviews
• Diagnose and resolve complex production issues, improving application reliability and performance
• Safely integrate and operate AI/ML‑enabled solutions while maintaining privacy and security standards

• Bachelor’s degree in Computer Science, Software Engineering, or 5 years of equivalent practical experience
• Professional experience shipping native iOS applications with ownership from design through production
• Strong iOS architecture, low‑level design, API integration, and data modeling experience
• Proficiency with iOS tools, frameworks, testing, observability, and operational best practices
• Experience collaborating in cross‑functional, multi‑domain teams

• Experience designing and scaling complex iOS architectures (modularization, performance, offline support)
• Proven delivery of high‑impact iOS features across multiple domains
• Strong focus on operational excellence (instrumentation, monitoring, alerting, incident resolution)
• Experience integrating AI/ML‑enabled capabilities into mobile apps securely and responsibly
• Familiarity with AI‑driven development tools and applying AI/ML concepts to improve product quality and developer efficiency

Salary and Location – The total cash range for this position in Seattle is $ to $. Employees in this role have the potential to increase their pay up to $ based on performance. Starting pay will vary based on factors including location, available budget, and individual skills and experience.

Benefits – Expedia Group offers a full benefits package including medical/dental/vision, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and an International Airlines Travel Agent (IATAN) membership. We provide additional travel perks, a flexible work model, and career development resources.

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 the Recruiting Accommodations Team through the Accommodation Request.

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, or veteran status. This employer participates in E‑Verify. The employer will provide the Social Security Administration and, if necessary, the Department of Homeland Security with information from each new employee’s I‑9 to confirm work authorization.