GPS-Based Location Tracking System Development

I'm seeking a developer to design and implement a reliable, portable, and user-friendly location tracking system. The system will enable a company-sized group to monitor, coordinate, and optimize the positions of all its members in real time.

Key Requirements:
- Use GPS data for tracking
- Support Android and web-based platforms
- Key features:
- Real-time alerts
- Geofencing capabilities
- Historical tracking data

Ideal Skills and Experience:
- Proficiency in Android app development
- Experience with web-based tracking systems
- Strong background in GPS data integration
- Knowledge of real-time data processing and alerts
- Familiarity with geofencing technology and historical data analytics

Please provide examples of similar projects you've completed.