Drive C++ Engineer

• 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

• 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

• 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

• 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^)

• 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

• Experience implementing COM components:

• IUnknown, reference counting, class factories

• Knowledge of:

• DLL exports (DllGetClassObject, DllRegisterServer, etc.)

• Registry-based COM registration

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

• Experience with MSBuild and .vcxproj configurations

• Ability to debug across managed and unmanaged environments

• Experience with:

• Context menu handlers (IContextMenu, IShellExtInit)

• Icon overlays and property handlers

• Understanding of Windows Explorer integration patterns

• Experience with .NET 8.0 WPF applications

• Familiarity with MVVM architecture and data binding

• Ability to contribute to C# codebase

• Experience with SQLite (C API)

• Familiarity with nlohmann/json or similar libraries

• Experience with:

• NSIS installer scripting

• WiX Toolset v4 for MSI packaging

• Knowledge of enterprise deployment best practices

• Experience with GitHub Actions for Windows builds

• Familiarity with:

• Unit testing

• Integration testing

• End-to-End testing

• Experience with Windows Credential Manager

• Understanding of OAuth 2.0 flows in desktop applications

• Knowledge of Windows security and file system permissions

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

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

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

• Knowledge of chunked/resumable file upload & download mechanisms

Evnek Technologies