Cross-Platform Social Networking App Development

I am looking for a seasoned mobile app developer to build a social networking application that operates seamlessly on both Android and iOS platforms.

Key features of the project:
- Development of a social networking application
- Compatibility with both Android and iOS

Ideal Skills:
- Proven experience in mobile app development
- Expertise in cross-platform functionality
- Strong knowledge of social networking applications
- Proficient in both Android and iOS development

Please ensure, before bidding, that you have a strong portfolio in similar projects and proficiency in both Android and iOS development. I'm looking forward to your proposals.