VSTO Developer

GirnarSoft · posted 4 months ago

Gurugramrecruitment + vendor

About the role

Location: Gurgaon
Mode of Operation: Work from Office (5 days a week)

Role: VSTO Developer

Key Responsibilities

Design and develop VSTO Add‑Ins for Microsoft Word, Excel, and PowerPoint (all three applications in active scope).
Implement Word automation , including Content Controls, Bookmarks, Styles, Track Changes, and Custom XML Parts.
Implement Excel automation , including Workbook/Worksheet events, Named Ranges, UDFs, PivotTables, Chart automation, and Data Validation.
Implement PowerPoint automation , including Slide and Shape manipulation, Masters & Layouts, Template generation, and embedded media control.
Build and maintain custom Ribbon XML and Task Panes across Word, Excel, and PowerPoint.
Package and deploy Add‑Ins end‑to‑end using NSIS installer scripts , including registry configuration, trust settings, and versioning.
Ensure compatibility across Office 2016, 2019, 2021, and Microsoft 365 (32‑bit and 64‑bit).
Debug COM Interop , PIA binding, and Office runtime/process isolation issues.

Write clean, maintainable C# code and participate in code reviews and team best‑practice discussions