React MUI Code Cleanup

I'm looking for a skilled developer to complete and clean up code for a React MUI app with a Node.js GraphQL backend.

Key Requirements:
- Focus on the frontend (React MUI)
- Improve UI/UX design
- Enhance component functionality
- Specifically, attention needed on custom components, dashboard, and metrics

Ideal Skills and Experience:
- Strong expertise in React and Material-UI
- Experience with Node.js and GraphQL
- Strong UI/UX design skills
- Proven track record in improving component functionality
- Ability to work on complex dashboards and custom metrics

Looking for a freelancer who can deliver high-quality work and improve the overall performance and usability of the application.