Senior iOS Engineer, Checkout Platform at Scale

11105 Expedia, Inc.; Washington; On-site; USD 146,000 - 234,000; Full time

Benefits offered by this job

Medical insurance

Dental and vision coverage

Paid time off

Employee Assistance Program

Wellness and travel reimbursement

Travel discounts

Job summary

Expedia Group in the United States is seeking a Mobile Engineer III (iOS) to design, build, and maintain secure, high‑performing native iOS applications for Expedia Checkout. You will translate product requirements into technical designs and collaborate with backend, design, and QA teams to deliver end‑to‑end customer journeys.

You will own the code from design through production, with emphasis on architecture, observability, testing, and incident resolution, while safely integrating AI/ML

Qualifications

• Bachelor’s degree or equivalent practical experience.
• Professional experience shipping native iOS apps from design to production.
• Strong iOS architecture, low‑level design, API integration, and data modeling.
• Proficiency with iOS tools, frameworks, testing, observability and ops practices.
• Experience collaborating in cross‑functional, multi‑domain teams.
• Preferred: designing and scaling complex iOS architectures (modularization, offline).
• Familiarity with AI/ML‑enabled capabilities in mobile apps.

Responsibilities

• Design, build, and maintain native iOS apps that are secure, performant, and resilient.
• Translate requirements into technical designs (LLD, API data models).
• Collaborate with backend, product, design, and QA to deliver end-to-end journeys.
• Write clean, testable code; contribute to automated testing and monitoring.
• Diagnose production issues to improve reliability and performance.
• Safely integrate AI/ML solutions while upholding privacy and security.

Skills

iOS development

Swift

Objective-C

API integration

Testing

Observability

Performance

Cross-functional collaboration

AI/ML familiarity

Education

Bachelor’s degree in Computer Science or Software Engineering (or 5+ years equivalent)

Tools

Xcode

Swift tooling

Job description

Expedia Group in the United States is seeking a Mobile Engineer III (iOS) to design, build, and maintain secure, high‑performing native iOS applications for Expedia Checkout. You will translate product requirements into technical designs and collaborate with backend, design, and QA teams to deliver end‑to‑end customer journeys.

You will own the code from design through production, with emphasis on architecture, observability, testing, and incident resolution, while safely integrating AI/ML