Senior Desktop Engineer

As a Senior Desktop Engineer you will design, build, and maintain desktop applications for macOS and Windows environments. This role involves working across both system and application layers to deliver secure, high-performance experiences. You'll collaborate closely with product, QA, and support teams to ensure that all applications are stable, efficient, and well-documented., * Develop and maintain desktop applications for macOS and Windows, including integrations and embedded web components.

• Implement, debug, and optimize system-level code and UI features using Swift, Objective-C, and C# (with occasional C++).
• Build and maintain macOS components including system extensions, XPC, Endpoint Security, and Network Extensions.
• Develop Windows functionality using Win32 APIs, WPF, and modern .NET frameworks.
• Collaborate with cross-functional teams to deliver secure, testable, and production-ready features.
• Write and maintain clear technical documentation and architectural designs.
• Stay current with updates in macOS, Windows, and related ecosystems, especially in areas related to security and performance.

• Fluent English is required.
• 4+ years of macOS development experience using Swift, Objective-C, Xamarin.Mac, or MAUI.
• Proven experience delivering complex macOS features to production.
• 3+ years of Windows application development using .NET, .NET Framework, WPF, or WinForms.
• Strong knowledge of UI frameworks such as React or Angular for hybrid desktop applications.
• Experience debugging complex macOS architectures (system extensions, launch services, IPC).
• Familiarity with systems programming concepts, multithreading, and Win32 APIs (C++ experience is a plus).
• Understanding of secure coding principles and best practices for maintainable, testable code.

• Salary Range: $6000-$7500 USD /month
• Paid Time Off: Unlimited
• Schedule: Flexible, 100% Remote