CFAPI Specialist

Preferred Industries **IT**

Employment Type **Full Time**

Work Type **Work from Office**

Annual Budget **₹ 16 \- 20 LPA**

Gender **Any**

Qualification : **B.Tech, B.Sc**

Locations **Gurugram, Haryana**

Notice Period **15 \- 30 days**

Relevant Experience **7 years \- 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

• *Requirements**

• 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
• Strong C\#, P/Invoke and interop
• Solid understanding of Windows and NTFS file\-system concepts
• Strong async programming, multithreading and debugging skills

• *Good 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: ₹1,600,000\.00 \- ₹2,000,000\.00 per year

Work Location: In person