Python-Based iOS E-commerce App

I'm looking for an experienced iOS developer who can use Python to create an e-commerce platform. The app needs to have a product catalog and payment gateway integration.

Key requirements:
- Implement a comprehensive product catalog.
- Integrate a secure and reliable payment gateway.
- Utilize the design I have prepared

Ideal skills include:
- Proficiency in Python and iOS development
- Experience with e-commerce app features
- Strong design implementation skills

Please share your relevant experience and approach.