Cross-Platform E-commerce App for Contractors

I'm looking for a skilled app developer to create a cross-platform (iOS and Android) e-commerce application. This app is intended to connect technical contractors with potential customers.

Key features:
- User-friendly interface for both contractors and customers
- Robust search and filter options to find suitable contractors
- Secure and seamless payment gateway integration
- Rating and review system for contractors

Ideal candidate should be:
- Proficient in both iOS and Android app development
- Experienced in building e-commerce applications
- Able to create intuitive UI/UX designs
- Knowledgeable in implementing secure payment systems and user review features.

Please share relevant portfolio pieces with your application.