Internal Website Development

I need a skilled developer to create an internal website using HTML, CSS, JavaScript, and PHP. The site will be hosted on a Linux server with Apache and MySQL.

Key Requirements:
- Role-based access control
- Task management functionalities
- Internal messaging system

Ideal Skills and Experience:
- Proficiency in front-end and back-end web development
- Experience with role-based access control
- Knowledge in task management and messaging system integration
- Strong understanding of Linux server management and MySQL databases

Please provide examples of similar work done.