Web App to iOS Migration

I need to move and upgrade a web-based application to an iOS platform. The current system has user interaction and interface functionalities that need to be retained or enhanced.

Key requirements:
- User authentication and profiles
- Notifications and alerts

Ideal skills and experience:
- Experience with mobile app development, especially on iOS
- Familiarity with migrating web applications to mobile platforms
- Strong understanding of user authentication protocols
- Ability to implement and manage notifications and alerts systems

Looking for a developer who can ensure a seamless transition while enhancing the user experience.