Contractor VSTO

Fully Remote

Looking for a PowerPoint Add-In Developer to join its OWG Tech team and help build and maintain enterprise-grade tooling used globally by consultants.

This role focuses on developing C# VSTO add-ins for PowerPoint, alongside modern Office.js add-ins to support cross-platform (Windows & Mac) use. You'll work on sophisticated slide automation, governed formatting, and modular slide assembly, helping teams produce high-quality presentations faster and more consistently.

What you'll be doing

• Developing and maintaining C# VSTO PowerPoint add-ins
• Building modern PowerPoint add-ins using Office.js
• Automating slide creation, formatting, charts, and tables
• Integrating add-ins with Python-based automation services
• Ensuring high code quality, security, and reliability
• Collaborating closely with cross-functional teams to solve real productivity challenges

What we're looking for

• Strong experience with C# (.NET) and VSTO for PowerPoint
• Deep knowledge of the PowerPoint object model and COM interop
• Experience with Office.js for PowerPoint add-ins
• Practical Python experience (eg python-pptx)
• Comfortable working with Git/CI/CD
• Excellent English communication skills (essential)

This is a great opportunity to work on high-impact internal products at a top-tier global consultancy, combining classic desktop add-in engineering with modern, cross-platform Office development.