Senior .NET Mobile Engineer

Versant • Orlando, FL

16h • Remote

About The Position

We’re looking for a Senior Mobile Software Engineer with deep expertise in .NET mobile development and a strong foundation in native iOS and Android development. This role focuses on delivering high-quality, performant mobile applications using .NET (C#) while leveraging platform capabilities to ensure the best possible user experience. You’ll work on apps used by millions, driving feature implementation, architecture, and platform-level decisions.

Requirements

• 5+ years of mobile development experience, including: Extensive experience with .NET mobile development using C#
• Strong native iOS development experience (Swift, UIKit, Xcode)
• Strong native Android development experience (Kotlin, Jetpack, Android Studio)
• Proven ability to integrate and maintain native SDKs and platform-specific functionality, including creating and maintaining bindings for iOS and Android libraries
• Experience building and maintaining production apps with large user bases
• Strong understanding of mobile app architecture, lifecycle management, and platform guidelines (App Store / Play Store)
• Solid testing practices including unit, integration, and UI automation
• Comfortable working in a collaborative, agile team environment
• Ability to think creatively, solve complex problems, and contribute innovative ideas that enhance product quality and user experience.

Nice To Haves

• Firebase
• In-app purchases
• Third-party login integrations (e.g., Google, Facebook)
• Cross-platform frameworks such as .NET MAUI, React Native, Flutter, or Kotlin Multiplatform

Responsibilities

• Design, build, and maintain mobile applications using .NET for iOS and Android
• Collaborate across disciplines (product, design, backend) to deliver high-impact mobile experiences
• Write high-quality C# code and contribute to native platform code in Swift (iOS) and Kotlin/Java (Android) as needed
• Lead integration efforts with native SDKs, custom UI components, and low-level platform features
• Guide architectural decisions balancing cross-platform efficiency with native performance and UX
• Own debugging, profiling, and optimization for responsiveness, startup time, and resource usage
• Create and maintain unit, integration, and automated UI tests
• Help evolve and maintain CI/CD pipelines for reliable mobile delivery
• Stay informed on the latest developments in .NET, iOS, and Android ecosystems and recommend adoption where beneficial

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed