Admin Panel Development

I'm looking for an experienced developer to create an admin panel that integrates with my website.

Key Functionalities:
- User Management: Add, edit, remove users, and manage user roles.
- Content Management: Create, update, and delete content across the site.
- Analytics Dashboard: Visualize key metrics and analytics.

Requirements:
- Integration with existing website
- User authentication via username and password

Ideal Skills & Experience:
- Strong background in web development
- Experience with admin panel creation
- Familiarity with user authentication protocols
- Proficient in building analytics dashboards

Please provide examples of previous similar work.