Backend Dev for Admin Dashboard

I'm looking for an experienced backend developer to create an admin and dashboard panel by April 30th. We already Have both the designs and Other things. Just Integration we want.

Requirements:
- User management
- Analytics dashboard with data visualizations: bar charts, pie charts, line graphs
- Content management (optional)
- Simple API
- Login/Signup integration with Google, Facebook, GitHub

Ideal Skills:
- Proficiency in backend technologies (Node.js, Python, etc.)
- Experience with data visualization libraries
- Strong knowledge of third-party authentication
- Database management skills
- Previous work on similar projects

Please provide a portfolio and relevant experience. Looking forward to your bids!