Jobs · Engineering · Wisconsin

Senior Mobile Software Engineer – iOS

Comply365 · Beloit, WI · 5 days ago
HybridEngineeringFull-time

About the role

We’re seeking a Senior Mobile Software Engineer (iOS) with strong Swift and Objective-C expertise to help drive the next generation of our best-in-class iOS app.

You’ll lead the development of new features, optimize performance, and champion engineering quality across the product. You’ll collaborate closely with product managers, designers, and QA engineers to deliver intuitive, high-performing features that our users rely on every day.

Essential Duties And Responsibilities

  • Design, develop, and maintain production iOS applications using Swift and Objective-C.
  • Ship and support high-quality releases to the Apple App Store.
  • Optimize for performance, reliability, and responsiveness across a wide range of devices.
  • Work closely with design, product, and QA to plan, implement, and validate new features.
  • Contribute to improving development practices, coding standards, and CI/CD pipelines.
  • Stay up to date on the latest iOS SDK changes, frameworks, and Apple developer tools.
  • Mentor peers and share expertise in Swift, UIKit, and app architecture.
  • Communicate progress, risks, and technical insights clearly within the team.

Essential Skills

  • 5+ years of professional mobile development experience.
  • 3+ years of hands-on iOS development using Swift and Objective-C.
  • Proven experience releasing and maintaining iOS apps in the App Store.
  • Strong understanding of UIKit, Foundation, Swift Concurrency, and app lifecycle.
  • Experience with REST APIs, JSON, and data persistence using SQLite.
  • Familiarity with modern CI/CD tools (Xcode Cloud, Azure DevOps, or GitHub Actions).
  • Solid grasp of QA methodologies, Agile development, and SDLC best practices.
  • Excellent communication and collaboration skills.
  • Self-driven, organized, and committed to building exceptional user experiences.

Essential Technical Skills

  • Swift and Objective-C (commercial experience).
  • UIKit, SwiftUI, and Auto Layout.
  • Xcode, Instruments, and Apple developer tools.
  • Git (GitHub, Azure Repos, or equivalent).
  • SQLite database management, schema design, and query optimization.
  • App Store Connect, TestFlight, and provisioning workflows.
  • CI/CD with Xcode Cloud, Azure DevOps, Jenkins, or GitHub Actions.
  • Profiling, debugging, and performance optimization using Instruments.

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