iOS Engineer III — Build High-Scale Checkout

11105 Expedia, Inc.; Seattle (WA); On-site; USD 146,000 - 205,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

Paid time off

Employee Assistance Program

Wellness and travel reimbursement

Travel discounts

IATAN membership

Job summary

Expedia Group is seeking a Mobile Engineer III, iOS, to own and enhance critical production checkout applications. You will ensure the Expedia Checkout is fast, available, and scalable, tackling scale challenges with strong architectural and coding skills.

Join a collaborative, agile team using modern iOS frameworks, contributing to end-to-end journeys and secure AI/ML‑enabled features while maintaining privacy and security standards.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or 5 years of equivalent practical experience.
• Experience shipping native iOS applications 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.

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

iOS architecture

API integration

Data modeling

Observability

Cross-functional collaboration

Education

Bachelor's degree or 5 years experience

Tools

iOS tooling

Testing frameworks

Observability tools

Job description

Expedia Group is seeking a Mobile Engineer III, iOS, to own and enhance critical production checkout applications. You will ensure the Expedia Checkout is fast, available, and scalable, tackling scale challenges with strong architectural and coding skills.

Join a collaborative, agile team using modern iOS frameworks, contributing to end-to-end journeys and secure AI/ML‑enabled features while maintaining privacy and security standards.