Cross-Platform Delivery Tracking App

I'm seeking an experienced app developer to create a delivery tracking app for both iOS and Android platforms.

Key Features:
- Real-time tracking of deliveries
- Notifications for delivery status updates
- User reviews and ratings
- Driver promotion services integrated into tracking

Ideal Skills and Experience:
- Proficient in mobile app development for iOS and Android
- Strong experience with real-time tracking technologies
- Familiar with notification systems and user review integrations
- Background in developing promotional tools within apps

Please provide examples of similar work done. Looking forward to your bids!