Marketplace App and Site Development

I'm seeking an experienced developer to create a buy-and-sell marketplace site and app, similar to Facebook Marketplace, compatible with both iOS and Android.

Key Features:
- User profiles and ratings
- In-app messaging
- Payment integration

Ideal Skills and Experience:
- Experience in developing marketplace apps and websites
- Proficiency in mobile app development for iOS and Android
- Strong background in UI/UX design
- Knowledge of secure payment integration
- Excellent communication skills and a collaborative mindset

Please provide examples of similar projects you've completed.