.NET & React App Enhancement

I'm looking to modify both the backend and user interface of my .NET and React application. The primary focus will be on adding new functionality to the UI, specifically in creating custom dashboards.

Requirements:
- Expertise in .NET for backend modifications
- Proficient in React for user interface enhancements
- Experience in developing custom dashboards
- Knowledge in adding functionality to existing UI

Please provide examples of similar projects you've completed.