Buy to infinite

I'm looking for a seasoned developer to create a dynamic website and app aimed at facilitating the buying and selling of various products and services. This platform will cater to both physical goods and digital products.

Key Features:
- User-friendly interface for easy navigation
- Secure payment gateway
- Robust search and filter options
- Option for purchasing services
- Responsive design for seamless experience across devices

Ideal Skills:
- Proficiency in both front-end and back-end development
- Experience in e-commerce and marketplace app/website development
- Knowledge of secure payment integration
- Ability to create a responsive and intuitive interface

I am keen on working with a freelancer who has a proven track record in similar projects. Please share your portfolio showcasing relevant past work.