ReactJS & NodeJS Development Needed -- 2

I need two experienced ReactJS developers plus two experienced nodejs developers to create endpoints and integrate them into an existing application within 20 days.

Key Tasks:
- Bug fixing
- Creating NodeJS endpoints (handling primarily content management data)
- Integrating these endpoints into a web system built with ReactJS and NextJS
- Performance optimization
- Developing around 7 screens for the admin panel with features like Add/Edit/Delete content and User permissions

Ideal Skills and Experience:
- Proficiency in ReactJS
- Proficiency in NodeJS
- API integration experience
- AWS familiarity
- Stripe integration experience
- Strong software development background
- Deep understanding of SOLID principles

Please provide examples of similar work and your approach to handling these enhancements.