Android Utility App Development

I'm looking for experienced Android app developers to create a utility app.

Essential Features:
- User Authentication
- Contacts API
- Events & Calender API
- E-Catelogue
- ALERTS Push Notifications

Platform: Support for the latest version only is required.

Ideal Skills & Experience:
- Expertise in Android development
- Strong knowledge of user authentication protocols
- Experience with implementing push notifications
- Familiarity with the latest Android version

Please share your portfolio with relevant projects.