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Expedia

Mobile Engineer III, iOS

Salary$146k – $234k
LocationWashington - Seattle Campus
Typefull-time
SenioritySenior
Experience5+ yrs
Company size10,000+ people
First seenOct 10, 2026 · 1d ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Must have5
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
Nice to have5
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
Skills
iOS
Swift
API
data modeling
Machine Learning
Artificial Intelligence
Benefits
Health insurance
Dental
Vision
Paid time off
Employee assistance program
Wellness reimbursement
Travel reimbursement
Travel discounts
About the company
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.
Intro to the 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.
As a Mobile Engineer III, iOS, working on Expedia’s critical production checkout applications, your mission will be to ensure Expedia Checkout is always fast, available, scalable, and engineered to withstand unparalleled demand. You will be in the thick of solving the [often unexpected] problems of systems at scale in a way most engineers never experience. You will have strong analytical and troubleshooting skills, proficiency in coding and systems design, solid interpersonal skills, and a desire to tackle the complex problems of scale. You are a collaborative and creative individual, and you thrive in a dynamic and agile environment. You adapt to new technologies and enjoy working on complex problems. Every day, we at Expedia get to innovate on web applications that millions of travelers use to plan, book, and experience trips they will remember forever.
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
Minimum Qualifications:
•
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
Preferred Qualifications:
•
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
The total cash range for this position in Seattle 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.
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. The official place to find and apply for roles is https://careers.expediagroup.com/jobs/.
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, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other characteristic protected by law. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee’s I-9 to confirm work authorization.
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