Delivery App Notification Enhancement

I'm looking for an Indian freelancer for long-term collaboration to enhance my delivery boy app in our e-commerce suite.

Requirements:
- Notifications for order actions (accept, reject) at the top of the screen.
- Popup buttons for accepting, rejecting, or viewing order details.
- If the app is open, display on the main screen with round animation.

Ideal skills:
- Mobile app development experience
- Familiarity with notification systems
- UI/UX design for smooth animations and interactions
- Experience in building long-term client relationships

Please share your portfolio and relevant experience.