Social Networking App Development Expert Needed

I'm looking for an experienced mobile and web developer to create a comprehensive social networking app that supports both Android and iOS platforms. The app should be engaging and user-friendly, incorporating essential features to enhance connectivity and user interaction.

Key Requirements:
- Develop a social networking app for both Android and iOS
- Implement a robust messaging system for seamless communication
- Create detailed user profiles for personalized experiences
- Integrate voice and video call functionalities
- Enable group messaging for community interaction
- Develop a secure authentication system (including OTP, Google, etc.)

Ideal Skills and Experience:
- Proven expertise in mobile app development for Android and iOS
- Strong understanding of social networking features and user engagement
- Experience with real-time communication tools (voice and video calls)
- Proficiency in implementing secure authentication systems
- Ability to design intuitive and responsive user interfaces

I'm eager to collaborate with a developer who can bring this vision to life and create a dynamic social networking platform.