Social media application similar to Instagram, in features but different concept -- 2

I am looking for a skilled developer to create a social media application similar to Instagram, but with a different concept. The ideal candidate should have experience in developing mobile applications for both iOS and Android platforms.

Specific Features:
- The application should have photo sharing capabilities, allowing users to upload and share their photos with their followers.
- Messaging functionality should be included, allowing users to send and receive messages within the application.
- Video sharing capabilities should also be included, allowing users to upload and share videos with their followers.

Platform:
- The application should be developed for both iOS and Android platforms, ensuring compatibility for a wide range of users.

Timeline:
- The project should be completed within a timeframe of 4-6 months, allowing for thorough development and testing of the application.