Cross-Platform Social Networking App

I need a skilled developer to create a social networking application for both iOS and Android platforms.

The application should facilitate user interaction and content sharing.

Essential features include:
- User profiles
- Messaging system
- News feed
Payment getaway

Ideal skills and experience:
- Proven experience in developing social networking apps
- Expertise in cross-platform mobile app development
- Strong UI/UX design skills
- Familiarity with backend technologies to support real-time messaging and content updates

Please provide examples of similar projects you've completed.