Social Networking App Development

I need a comprehensive social networking application that includes:

Core Functionality:
- User Profiles and Posts: Users can create profiles and share content.
- Messaging System: Direct messaging between users.
- Friend/Follow System: Users can connect with others.

Authentication Features:
- Email and Password Login: Standard login method.
- Selfie Verification: Enhance security with facial recognition.

Content Type:
- Text Posts: Share thoughts and updates.
- Photos and Videos: Upload and share multimedia content.
- Links to External Websites: Share interesting articles and resources.

Ideal Skills and Experience:
- Proven experience in developing social networking applications.
- Strong background in implementing secure authentication mechanisms.
- Expertise in designing intuitive user interfaces for content sharing.
- Familiarity with multimedia uploading and processing.

Please provide samples of relevant work and a brief outline of your approach.