Social Media App Development on iOS

I need an experienced mobile app developer to create a social media app for iOS.

Key Requirements:
- User-friendly interface
- Secure login/authentication
- Profile creation and management
- Newsfeed with posts, likes, comments
- Direct messaging feature
- Photo/video sharing capabilities
- Push notifications

Ideal Skills and Experience:
- Proven track record in iOS app development
- Strong understanding of social media functionalities
- Expertise in UI/UX design
- Knowledge of backend development (servers, databases)
- Familiarity with security protocols

Please provide your portfolio and relevant experience.