Hybrid Calendar App Development

I'm looking for an experienced developer to create a hybrid mobile app for iOS and Android platforms. The app will primarily focus on calendar functionalities.

Key Requirements:
- Calendar functionality to set up event reminders.
- User authentication via email/password.

Ideal Skills & Experience:
- Proficiency in developing hybrid apps.
- Experience with calendar integrations and event reminder functionalities.
- Strong knowledge of secure user authentication methods.

Please share your portfolio and any relevant experience. Looking forward to your bids!