Senior iOS Engineer III: End-to-End Features & AI

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 in Seattle is seeking an iOS Engineer III to lead development of Brand Expedia experiences, delivering end-to-end mobile features for travelers and partners. You will translate requirements into scalable mobile solutions, design APIs, and collaborate across teams to improve quality and performance.

The role emphasizes ownership of major features, strong Swift/iOS expertise, and the application of AI/ML concepts to real-world products at scale.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
• Professional experience developing and delivering production iOS applications using Swift.
• Experience owning substantial features or services within a mobile product, including design, implementation, testing, deployment, and ongoing operation.
• Proficiency with software design, low-level design, API integration, data modeling, debugging, testing, version control, and continuous delivery practices.
• Ability to collaborate across technical domains and apply engineering judgment to deliver reliable, maintainable, and scalable solutions.

Responsibilities

• Design, develop, test, and maintain iOS applications that deliver reliable, high-quality experiences for travelers and partners.
• Translate product requirements into scalable mobile solutions while applying strong software engineering fundamentals and sound technical judgment.
• Create clear low-level designs, APIs, and data models that support maintainable, performant, and secure application development.
• Collaborate across engineering, product, design, and other technical domains to deliver end-to-end capabilities and solve complex customer and business problems.
• Improve application quality through automated testing, observability, performance optimization, code reviews, and effective incident resolution.
• Safely integrate and operate AI/ML-enabled solutions that improve outcomes, while building familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real-world products.

Skills

Swift

iOS development

APIs

GraphQL

AI/ML concepts

Collaboration

Education

Bachelor's degree or equivalent

Tools

Xcode

Git

CI/CD

Job description

Expedia Group in Seattle is seeking an iOS Engineer III to lead development of Brand Expedia experiences, delivering end-to-end mobile features for travelers and partners. You will translate requirements into scalable mobile solutions, design APIs, and collaborate across teams to improve quality and performance.

The role emphasizes ownership of major features, strong Swift/iOS expertise, and the application of AI/ML concepts to real-world products at scale.