Web-Based Employee Management System

I need a skilled developer to create a web-based Employee Management System using the MERN stack.

Core functionalities should include:
- Employee onboarding and offboarding
- Attendance tracking
- Performance reviews

Ideal Skills and Experience:
- Expertise in MERN stack
- Experience in developing web-based applications
- Knowledge in implementing user-friendly interfaces and secure databases
- Prior experience with employee management systems is a plus

Please provide relevant work samples and a detailed proposal.