Property Document Management Software

I need a web application to manage documents related to property purchases and sales. This tool is for internal employees only.

Key functionalities:
- Document storage and management
- Search and filter documents
- User access control

Ideal skills and experience:
- Web application development
- Experience with document management systems
- Strong knowledge in implementing user access controls and security measures

Looking for a developer who can create an intuitive, secure, and efficient platform. Please provide examples of similar projects.