Full Stack Mobile App Development

I need a developer to transform our web-based app into fully functional mobile applications for both iOS and Android platforms. The mobile apps should incorporate the following features:

- User Authentication
- Push Notifications
- Database Integration
- Integration via BLE Tracking or GPS Tracking

The design should leverage our existing web design.

Ideal Skills and Experience:
- Proficiency in mobile app development for both iOS and Android
- Experience with user authentication and push notifications
- Strong background in database integration
- Familiarity with BLE and GPS tracking technologies
- Ability to adapt and implement existing web designs into mobile formats

I look forward to your bids!