Modifying my react and firebase files

I am looking for someone to help me modify my React and Firebase files. I need to add new features to my project. I already have the required versions of React and Firebase for the project. While I don't have any specific tutorials or step-by-step instructions, I am familiar with the process and can provide guidance if needed.

Ideal Skills and Experience:
- Proficiency in React and Firebase
- Experience with adding new features to existing projects
- Ability to troubleshoot and debug any issues that may arise
- Strong understanding of performance optimization techniques in React and Firebase