Senior iOS Engineer, Design System

Expedia Group

Senior iOS Engineer designing, building, and maintaining native iOS applications at Expedia Group. Leading end-to-end feature delivery in a collaborative environment focused on performance and customer impact.

Posted 4/25/2026full-timeAustin • Illinois, Texas • 🇺🇸 United StatesSenior💰 $184,500 - $258,000 per yearWebsite

Tech Stack

Tools & technologies

iOSSwift

About the role

Key responsibilities & impact

Design, build, and maintain native iOS applications and SDKs with a focus on reliability, performance, and customer impact across multiple product areas or services.
Lead end ‑ to ‑ end feature delivery, including system design (low ‑ level design), API design, and data modeling for iOS components and backend integrations that support them.
Establish and champion engineering best practices for iOS development, including code quality, testing, observability, security, and performance tuning across teams.
Collaborate closely with product, design, and platform teams to define technical solutions, drive trade ‑ off decisions, and ensure consistent mobile architecture and patterns across domains.
Safely integrate and operate AI/ML ‑ enabled solutions that improve outcomes, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.
Mentor and guide other engineers through code reviews, technical design feedback, and knowledge sharing to increase overall team effectiveness and cross ‑ domain fungibility.

Requirements

What you’ll need

Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience.
8+ years of relevant professional experience.
Strong proficiency in Swift and the iOS ecosystem (frameworks, build systems, dependency management, and app store delivery), with solid understanding of networking, data modeling, and API integration patterns.
Demonstrated ability to design and implement maintainable, testable, and observable iOS architectures, including system design (LLD), API design, and collaboration with backend services.
Experience owning the full lifecycle of features or services (design, implementation, testing, release, and operational support) within a broader product or platform area.
Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products, with a focus on safely integrating these capabilities into mobile features.

Benefits

Comp & perks

medical/dental/vision
paid time off
Employee Assistance Program
wellness & travel reimbursement
travel discounts
International Airlines Travel Agent (IATAN) membership

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

SwiftiOS developmentAPI designdata modelingsystem designtestable architecturesobservabilityperformance tuningAI/ML conceptsfeature lifecycle management

Soft Skills

mentoringcollaborationleadershipcommunicationknowledge sharingtrade-off decision makingteam effectivenesscross-domain fungibility

Certifications

Bachelor’s degree in Computer ScienceEquivalent related professional experience