Android Social Networking App

I'm looking for an experienced mobile app developer to create a social networking app for Android.

Key Requirements:
- User registration and profile creation
- Friend/follow functionality
- News feed with posts, likes, and comments
- Private messaging system
- Search feature for users and content
- Push notifications for updates

Ideal Skills:
- Proficient in Android development (Java/Kotlin)
- Experience with social networking app features
- Strong UI/UX design skills
- Familiar with database management and API integration
- Knowledge of security protocols to protect user data

Please provide examples of similar work done and estimated timelines.