UX Overhaul for Flutter App

I'm seeking an experienced UX designer to rejuvenate my Flutter app. The goal is to enhance the overall user experience and integrate additional features.

Key Aspects to Improve:
- Navigation and ease of use: The app should be intuitive and user-friendly.
- Visual aesthetics and branding: The redesign should align with our brand's visual identity.
- Interactive elements and feedback: We want to make the app more engaging and responsive.

New Features to Integrate:
- User authentication: A secure and simple login process.
- Push notifications: To keep users updated and engaged.
- Tasks: A feature that allows users to manage their tasks within the app.

Design Guidelines:
- The redesign should adhere to our Custom Design Guideline.

Ideal Skills and Experience:
- Proven experience in UX design, particularly with Flutter apps.
- Strong understanding and ability to implement custom design guidelines.
- Excellent skills in improving navigation and interactive elements.
- Experience in integrating features like user authentication and push notifications into apps.