Customized Kleinanzeigen-like Marketplace App

Hello,

I am looking for a developer or development team to build a marketplace application similar to Kleinanzeigen, but targeted for the Arab market.

Important: I require two fully native versions:
- Android Native (Kotlin or Java)
- iOS Native (Swift)

Cross-platform frameworks such as Flutter or React Native are not required.

App Features:
1. User registration (Email or Phone number)
2. Login / Logout
3. Post ads (Images, Description, Price, Category, Location)
4. Edit and delete ads
5. Advanced search functionality
6. Filtering by price and location
7. In-app chat between buyer and seller
8. Push notifications
9. User rating system
10. Featured / Promoted ads option
11. Admin panel to manage users and listings

Technical Requirements:
1. Professional backend (Firebase or developer’s recommendation)
2. Strong database structure
3. Secure image upload system
4. High security standards
5. Clean and scalable code
6. Full source code delivery upon completion

Proposal Requirements:
1. Separate pricing for Android and iOS
2. Estimated development timeline