Employee Info Update Website

I need a secure website where employees can log in to update specific work-related details. The information they need to update includes:

- Mode of collection
- Collection amount

Requirements:
- User authentication for secure login
- Form fields for updating mode of collection and collection amount
- Data should be directly saved in the system upon submission

Ideal Skills and Experience:
- Web development (frontend and backend)
- Experience with secure user authentication
- Database management
- Familiarity with creating user-friendly forms

Please provide examples of similar work done.