Experience: 7 – 8 Years

Location - Gurugram

Work Mode - WFO

Indian Shift Timing - 8:30 AM to 5:30 PM

Preferred Experience Level - 7 to 8+ Years

Summary: We need a CFAPI specialist, not a general Windows or C# developer.

Responsibilities
Design and develop CFAPI-based sync clients in C# and Windows APIs
Implement Sync Root registration, placeholders, hydration/dehydration, pin/unpin, sync states, and fetch-data/fetch-placeholders callbacks
Integrate with cloud storage and backend services
Handle async operations, concurrency, cancellation and error handling
Troubleshoot sync failures, file locks, hydration and connectivity issues
Optimize performance and reliability, and take part in design, code reviews, testing and production support

Must-Have Skills
7 - 8+ years in software development
Hands-on CFAPI expertise (CfRegisterSyncRoot, CfConnectSyncRoot,



CfCreatePlaceholders, CfExecute, CfHydratePlaceholder, CfDehydratePlaceholder, CfSetPinState, CfSetInSyncState)
Proven experience building cloud drive or file sync solutions
Robust C#, P/Invoke and interop
Solid understanding of Windows and NTFS file-system concepts
Solid async programming, multithreading and debugging skills

Valuable to Have Skills
OneDrive-like app experience
Windows Shell integration
Reparse points, file handles and locking
Windows Services, REST APIs and cloud storage platforms
C++/Win32, WinDbg and Visual Studio debugging
Large-scale Windows client applications

Pay: ₹1,900,000.00 - ₹2,000,000.00 per year

Work Location: In person

📌 Senior Developer Cfapi Cloud Files Api Gurugram (India)
🏢 Classic Solutions
📍 India