REST API Sales Dashboard Development

I need an online dashboard to visualize sales data from multiple stores via REST API.

Requirements:
- Data Sources: Sales data from several stores
- Visualizations: Charts, graphs, tables, maps
- User Roles:
- Admin: View all stores
- Manager: View only their store
- Staff: View certain sections of their store

Ideal Skills:
- Experience with REST APIs
- Dashboard development expertise
- Strong data visualization skills
- User authentication and authorization experience

Looking for a developer who can create a secure, intuitive, and informative dashboard.