> Markdown version of [/jobs/ext/247262-mobile-engineer-iii-ios](https://www.wearedevelopers.com/jobs/ext/247262-mobile-engineer-iii-ios). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Mobile Engineer III - iOS

- **Company:** Expedia Inc.
- **Location:** Seattle, WA, United States
- **Experience:** Expert
- **Salary:** $146,000.0 - $204,500.0
- **Contract:** Permanent contract
- **Skills:** Web Accessibility, Application Programming Interfaces (APIs), Artificial Intelligence, IOS Applications, Code Generation, Software Quality, Code Review, Data Structures, Software Debugging, Programming Tools, Memory Management, Model View ViewModel, Performance Tuning, Software Engineering, Systems Integration, Uikit, Swiftui, Concurrency, Ios Frameworks, Backend, Usage Tracking, Solid Principles, Information Technology, Data Analytics, Graphql, Code Restructuring
- **Published:** May 19, 2026
- **Apply:** https://www.dice.com/job-detail/9945b228-873e-410f-b90c-04cd618e37fb

## About the Role

* Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent professional experience
 * 5+ years of professional iOS software development experience with a Bachelor's degree, or 3+ years with a Master's degree
 * Strong proficiency in Swift and modern iOS frameworks such as SwiftUI (UIKit experience is a plus)
 * Experience architecting scalable, modular, and maintainable iOS applications, using common patterns such as MVVM
 * Strong understanding of performance optimization, memory management, and concurrency on iOS
 * Experience integrating iOS applications with backend services and APIs
 * Experience supporting production applications, including debugging, monitoring, and incident response
 * Solid understanding of software design principles, algorithms, and data structures

Preferred Qualifications:

 * Experience integrating iOS applications with GraphQL APIs, including optimizing data usage and network performance
 * Experience collaborating closely with backend teams and contributing to end-to-end mobile features
 * Experience integrating third-party SDKs and APIs in production iOS applications
 * Experience applying AI tools for tasks such as code generation, refactoring, testing, debugging, or documentation
 * Exposure to experimentation frameworks, feature flags, or data-driven product development
 * Familiarity with accessibility best practices and building inclusive mobile experiences

## Description

As a Mobile Engineer III - iOS, you will build and own customer-facing iOS features that sit directly on the critical path of discovery, experimentation, and conversion. You'll work closely with Android, web, backend, product, and design partners to deliver high-quality mobile experiences at scale., * Build and evolve SwiftUI-based experiences, ensuring performance, reliability, accessibility, and maintainability

 * Collaborate cross-functionally with product managers, designers, backend engineers, and mobile peers to deliver end-to-end mobile features
 * Integrate iOS applications with backend services and GraphQL APIs, handling networking, state, and data efficiently
 * Apply strong software design principles, algorithms, and data structures to solve complex product and technical problems
 * Lead and participate in code reviews, helping guide code quality and architectural consistency across the iOS codebase
 * Debug and resolve complex issues related to performance, memory usage, concurrency, and networking
 * Contribute to production reliability through on-call rotations, incident response, and root-cause analysis
 * Leverage AI-powered development tools to improve productivity, code quality, debugging, and learning
 * Explore and apply emerging technologies when they provide clear product or developer-experience value
 * Mentor junior engineers through pairing, reviews, and technical guidance


## Related Videos

- [SwiftUI In Production](https://www.wearedevelopers.com/videos/134-swiftui-in-production)
- [Unsolved mysteries between Usability and Accessibility in iOS](https://www.wearedevelopers.com/videos/737-unsolved-mysteries-between-usability-and-accessibility-in-ios)
- [From Zero to Mobile Developer in 45 Minutes With SwiftUI](https://www.wearedevelopers.com/videos/183-from-zero-to-mobile-developer-in-45-minutes-with-swiftui)
- [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library)
- [Xcode development redefAIned](https://www.wearedevelopers.com/videos/100195-xcode-development-redefained)
- [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio)

## Related Articles

- [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers)
- [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)
- [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)