Senior iOS Engineer – Checkout Platform

Expedia Group; Seattle (WA); On-site; USD 146,000 - 205,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Paid time off

Employee Assistance Program

Wellness program

Travel discounts

IATAN membership

Job summary

Expedia Group is seeking an experienced Mobile Engineer III, iOS, to own and expand our high‑volume checkout applications. You will design, build, and deploy secure, scalable iOS experiences that power millions of traveler journeys.

You will collaborate with backend, product, and design teams to translate requirements into robust architectures, while ensuring performance, observability, and reliability across platforms. AI/ML capabilities will be integrated with privacy and security in mind.

Qualifications

• Bachelor's degree in CS/SE or 5 years equivalent practical experience.
• Shipping native iOS apps 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.

Responsibilities

• 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.

Skills

iOS development

Swift/Obj-C

API design

Cross-functional collaboration

Performance optimization

Education

Bachelor's degree or equivalent

Tools

Xcode

iOS SDKs

CI/CD

Job description

Expedia Group is seeking an experienced Mobile Engineer III, iOS, to own and expand our high‑volume checkout applications. You will design, build, and deploy secure, scalable iOS experiences that power millions of traveler journeys.

You will collaborate with backend, product, and design teams to translate requirements into robust architectures, while ensuring performance, observability, and reliability across platforms. AI/ML capabilities will be integrated with privacy and security in mind.