Social Networking Platform Development

I'm looking for an experienced website and app developer to create a social networking platform. The app needs to be available on both iOS and Android.

Key Requirements:
- E-commerce functionality
- Portfolio showcasing
- Social networking features

Ideal Skills and Experience:
- Proficiency in both web and mobile app development
- Experience with social networking features
- Familiarity with e-commerce integration
- Strong UI/UX design skills

Please provide a portfolio with relevant projects.