- *Position: VSTO Developer**
- *Location: Gurugram, Haryana**
- *Work Mode: Work from Office (5 days a week)**
- *Years of Exp: 3\+ Years**
- *Type of Hiring: Contract**
We are looking for an experienced VSTO Add\-In Developer with strong expertise in Microsoft Office automation and COM\-based development. The ideal candidate should have hands\-on experience developing enterprise\-grade VSTO Add\-Ins for Microsoft Word, Excel, and PowerPoint, along with deployment and troubleshooting experience across multiple Office versions.
Key Responsibilities
- Design and develop VSTO Add\-Ins for Microsoft Word, Excel, and PowerPoint.
- Implement Word automation features including: Content Controls, Bookmarks, Styles, Track Changes, Custom XML Parts
- Implement Excel automation features including: Workbook/Worksheet events, Named Ranges, UDFs, PivotTables, Chart automation, Data Validation
- Implement PowerPoint automation features including: Slide and Shape manipulation, Masters \& Layouts, Template generation, Embedded media control
- Develop and maintain custom Ribbon XML and Task Panes across Office applications.
- Package and deploy Add\-Ins using NSIS installer scripts, including: Registry configuration, Trust settings, Versioning
- Ensure compatibility across Office 2016, 2019, 2021, and Microsoft 365 (32\-bit \& 64\-bit).
- Debug COM Interop, PIA binding, and Office runtime/process isolation issues.
- Write clean, scalable, and maintainable C\# code.
- Participate in code reviews and technical discussions.
Required Skills
- Strong hands\-on experience with VSTO Add\-In development.
- Expertise in C\#, .NET, COM Interop, Microsoft Office Automation.
- Strong experience with Word, Excel, and PowerPoint object models.
- Experience with Ribbon XML and Custom Task Panes.
- Knowledge of NSIS installer scripting and deployment processes.
- Good understanding of Office runtime compatibility and troubleshooting.
https://www.offrolls.com/candidate\-form?token\=4b73af33\-758b\-45fe\-ab49\-aa9196d53a57
Kindly fill above screening form if interested.
Immediate joining candidates preferred.
It is a CONTRACTUAL Role.
Pay: ₹40,000\.00 \- ₹65,000\.00 per month
Application Question(s)
- Do you have hands\-on experience developing VSTO Add\-Ins for Microsoft Word, Excel, and PowerPoint using C\# and .NET?
- Have you worked on Office automation features such as Ribbon XML, Custom Task Panes, COM Interop, and deployment using NSIS installer scripts?
- Do you have experience troubleshooting Office compatibility issues across Office 2016/2019/2021/Microsoft 365 in both 32\-bit and 64\-bit environments?
Work Location: In person