Drive C++ Engineer

This is a remote position.

Job Title: Drive C++ Engineer

About the Role

We are building a high-performance Windows desktop application that enables seamless synchronization of customer files between the cloud and Windows File Explorer.

This role involves developing a robust C++/CLI interop layer bridging native C++ and .NET 8.0, along with deep integration into the Windows ecosystem using the Cloud Filter API (cfapi.h).

The solution is designed for Windows 10+, built using Visual Studio 2022 and Windows SDK 10.0, with a strong focus on scalability, performance, and production-grade reliability.

Key Responsibilities

• Design and develop core components of a cloud file sync engine for Windows
  


• Build and maintain C++/CLI interop layers between native C++ and .NET applications
  


• Implement deep integration with Windows File Explorer using Cloud Filter API
  


• Develop and manage file system event callbacks and sync workflows
  


• Ensure high performance, stability, and maintainability of the application
  


• Work on multi-threaded and asynchronous architectures
  


• Debug and troubleshoot across managed and unmanaged code boundaries
  


• Collaborate with cross-functional teams to deliver production-ready solutions
  

Must-Have Qualifications

Cloud Sync Engine Development

• Hands-on experience with Windows Cloud Filter API (cfapi.h) or similar OS-level sync technologies
  


• Strong understanding of:
  




• Sync root registration
  


• Placeholder file states
  


• On-demand hydration patterns 
  




• Experience implementing native callback handlers for file system events
  

Modern C++ Expertise (C++20)

• 5+ years of professional experience in native C++ development on Windows
  


• Strong knowledge of modern C++ features:
  




• std::variant, std::optional, std::string_view
  


• Lambdas, std::function, and functional programming patterns
  


• Template metaprogramming and variadic templates
  




• Deep understanding of:
  




• Memory management
  


• Pointer safety
  


• RAII principles
  

C++/CLI Interop

• Experience building mixed-mode C++/CLI assemblies targeting .NET Core / .NET 8.0
  


• Expertise in designing ref class wrappers for native-to-managed interaction
  


• Understanding of managed/unmanaged boundaries within a single project
  


• Experience with string marshaling (std::wstring ↔ System::String^)
  

Windows Systems Programming

• Strong knowledge of:
  




• Win32 API
  


• Windows Shell APIs
  


• File System APIs
  




• Experience with multi-threading, including:
  




• Thread pools and task scheduling
  


• Synchronization primitives (std::mutex, std::shared_mutex, etc.)
  


• Async and callback-based architectures
  




• Familiarity with Windows SDK 10.0 and Windows 10+ development
  

COM Programming

• Experience implementing COM components:
  




• IUnknown, reference counting, class factories
  




• Knowledge of:
  




• DLL exports (DllGetClassObject, DllRegisterServer, etc.)
  


• Registry-based COM registration
  

Build Systems & Tooling

• Proficiency in Visual Studio 2022 for mixed C++/C# solutions
  


• Experience with MSBuild and .vcxproj configurations
  


• Ability to debug across managed and unmanaged environments
  

Nice-to-Have Qualifications

Windows Shell Extensions

• Experience with:
  




• Context menu handlers (IContextMenu, IShellExtInit)
  


• Icon overlays and property handlers
  




• Understanding of Windows Explorer integration patterns
  

.NET Desktop Development

• Experience with .NET 8.0 WPF applications
  


• Familiarity with MVVM architecture and data binding
  


• Ability to contribute to C# codebase
  

Database & Serialization

• Experience with SQLite (C API)
  


• Familiarity with nlohmann/json or similar libraries
  

Installer & Deployment 

• Experience with:
  




• NSIS installer scripting
  


• WiX Toolset v4 for MSI packaging
  




• Knowledge of enterprise deployment best practices
  

CI/CD & Testing

• Experience with GitHub Actions for Windows builds
  


• Familiarity with:
  




• Unit testing
  


• Integration testing
  


• End-to-End testing
  

Security & Authentication

• Experience with Windows Credential Manager
  


• Understanding of OAuth 2.0 flows in desktop applications
  


• Knowledge of Windows security and file system permissions
  

Logging & Observability

• Familiarity with structured logging (ECS/Elastic Common Schema)
  


• Experience with centralized logging tools (e.g., Elasticsearch)
  

Bonus Points

• Experience building cloud sync clients (e.g., OneDrive, Dropbox, Google Drive)
  


• Knowledge of chunked/resumable file upload & download mechanisms