Senior Desktop Engineer

Sur Global

Portugal · Full-time · Mid-Senior

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.

Key Responsibilities:

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

Requirements

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

Benefits

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

Key Skills

Ranked by relevance

c swift ui embedded angular react

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