Android Social Networking App Development

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

Essential Requirements:
- User authentication (signup, login, profile management)
- News feed to display posts from users
- Ability to like, comment, and share posts
- Direct messaging between users
- Search functionality to find friends and content
- Notification system for updates and interactions

Ideal Skills and Experience:
- Proficiency in Android development (Java/Kotlin)
- Experience with Firebase or similar backend services
- Strong understanding of UI/UX principles
- Prior experience in developing social networking apps
- Knowledge of integrating APIs and third-party libraries

Please include examples of previous work and a rough timeline for completion.