Mobile App UX Designer Needed

I need an experienced UX designer who specializes in creating intuitive mobile applications for both Android and iOS platforms.

Key Features:
- User Authentication and Profile Management
- Push Notifications
- In-App Messaging
- Order placing flow

Design Preferences:
I prefer a design with:
- Vibrant colors
- Material Design aesthetic

Target Audience:
This mobile application is mainly aimed at:
- Adults
- Teenagers

Your role will be crucial in ensuring the app is user-friendly and engaging for these target demographics. Please include examples of previous mobile applications you've designed and developed, and how your design choices align with the target audience.