Car Services App Development

I need a mobile app developed for car wash and detailing services, with interfaces for both customers and service providers.

Key requirements:
- Customer App Features:
- Service booking
- Payment processing with integrated payment gateway
- Service history
- Push notifications
- Bilingual support: Arabic and English

- Service Provider App Features:
- Manage bookings
- Services offered
- In-app chat with customers

- Cross-platform support for both iOS and Android
- Implement a robust push notifications system

Ideal skills and experience:
- Expertise in Flutter and Dart
- Proven experience in mobile app development for both iOS and Android
- Strong UI/UX design skills to create a user-friendly interface
- Experience with payment gateway integration
- Familiarity with implementing in-app chat features

Looking for immediate delivery. Please provide examples of previous similar work.