Flutter Sadad Payment SDK

I'm seeking a skilled Flutter developer with expertise in creating a custom package that enables easy integration with the Sadad payment gateway. This package should be specifically designed for applications running on both iOS and Android platforms.

**Core Requirements:**
- Develop a Flutter package from scratch.
- Ensure full compatibility with both iOS and Android.
- Integrate Sadad as the payment gateway.
- Incorporate robust user authentication mechanisms.
- Implement push notifications for payment updates.
- Include database integration for transaction records.

**Ideal Skills and Experience:**
- Proficient in Dart and Flutter framework.
- Proven experience in developing Flutter packages for cross-platform applications.
- Extensive knowledge in payment gateway integration, specifically Sadad.
- Familiarity with implementing user authentication, push notifications, and database connectivity in Flutter.
- Ability to write clean, maintainable, and efficient code.
- Experience with Git for version control.

This project is vital for enhancing the payment functionalities of our mobile application, making it more user-friendly and secure. Your contribution will directly impact our application's success by providing our users with a seamless payment experience.