Multi-Platform App with Dashboard

I'm looking for a skilled developer to create a comprehensive web and mobile app for iOS and Android platforms. The app will cater to the general public and must include the following key features:

User Authentication: Secure login and user management.
Push Notifications: Timely updates and alerts.
Analytics Dashboard: Insights and analytics for user engagement.

The ideal candidate should have experience in:
Cross-platform app development
Implementing secure user authentication
Integrating push notification services
Designing and developing analytics dashboards

Please provide samples of similar work done.