Position: VSTO Developer
Location: Gurugram, Haryana
Work Mode: Work from Office (5 days a week)
Years of Exp: 3+ Years
Type of Hiring: Contract
Duration: 6 Months
Job Summary
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
