Image Catalog Web App Development

I'm looking for an experienced web developer to build an Angular-based web application with primary functionalities including image upload and display in a catalog, payment processing via Stripe, and enabling users to download purchased images.

Core Features:
- Upload images and display in the catalog: The app should allow users to upload images and have them displayed in a neat, user-friendly catalog.
- Payment via Stripe: The app needs to integrate with Stripe for secure, seamless payment processing.
- Ability to download purchased images: After payment, users should be able to download the images they've purchased.

Technical Requirements:
- Primary Platform: The application is a web-based platform.
- Preferred Framework: The application should be built using Angular.

User Authentication:
- The platform should authenticate users via social media logins. Experience with implementing secure, reliable social media login systems is essential.

Ideal Skills and Experience:
- Extensive knowledge and experience in building web applications with Angular.
- Proven track record in integrating payment systems, particularly Stripe.
- Strong skills in implementing social media logins for user authentication.
- Experience in building user-friendly interfaces for catalog display.