> Markdown version of [/jobs/ext/2643765-loopnet-senior-ios-engineer](https://www.wearedevelopers.com/jobs/ext/2643765-loopnet-senior-ios-engineer). 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).

---

# Loopnet - Senior iOS Engineer

- **Company:** CoStar Realty Information Inc.
- **Location:** Irvine, CA, United States
- **Experience:** Expert
- **Salary:** $130,000.0 - $204,000.0
- **Contract:** Permanent contract
- **Skills:** IOS Applications, Apple IOS, Apple Xcode, Dependency Injection, Software Design Patterns, Model View Controller (MVC), Model View ViewModel, Objective-C (Programming Language), Object-Oriented Software Development, Web Applications, Web Services, Swiftui, Backend
- **Published:** August 15, 2026
- **Apply:** https://www.juju.com/job/00000000gn71i3

## About the Role

+ Bachelor's Degree required from an accredited, not-for-profit, in-person college/university

 + A track record of commitment to prior employers

 + 5+ years' experience in developing iOS applications

 + You are an expert in everything iOS - Objective C, SwiftUI/Swift, Cocoa Framework, XCode IDE, Interface Builder and are always interested in learning more and sharing your skills

 + You know all the common Object Oriented Programming and design patterns, MVC, MVVM, Dependency Injection and more.

## Description

Our team is seeking an accomplished Senior iOS Engineer to join our team in supporting the supporting www.loopnet.com. You will have a direct impact on highly visible Loopnet web applications that touch millions of users. You continuously learn emerging technologies and architecture advancements and apply the learnings to improve Loopnets' software products.

This position is located in Irvine, CA and offers a schedule of 4 days onsite, 1 day remote.

Responsibilities

 + You will develop iOS applications that scale to reach millions of users

 + You will continually evaluate emerging technologies to identify opportunities, trends, and best practices that can be used to strengthen CoStar's technology platform and development practices

 + Work with the team to create user interface layouts for customers and interfaces to backend web services


## Related Videos

- [Xcode development redefAIned](https://www.wearedevelopers.com/videos/100195-xcode-development-redefained)
- [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)
- [Harnessing Apple Intelligence: Live Coding with Swift for iOS](https://www.wearedevelopers.com/videos/1515-harnessing-apple-intelligence-live-coding-with-swift-for-ios)
- [Unleash your web skills on native!](https://www.wearedevelopers.com/videos/122-unleash-your-web-skills-on-native)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [SwiftUI In Production](https://www.wearedevelopers.com/videos/134-swiftui-in-production)

## Related Articles

- [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter)
- [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)