E-commerce Site for Digital Products

I need a website that functions as a payment platform linked to my US bank account. I have examples of functioning websites to enter negotiations.

Ideal Skills and Experience:
- Expertise in E-commerce website development
- Experience with automated invoicing systems
- Familiarity with digital product e-commerce
- Proficiency in creating user-friendly interfaces
- Knowledge of secure payment integration
- Previous experience with creating downloadable content management systems

Specific Requirements:
- The site should cater to the sale of digital products
- It needs to have a reliable automated invoicing system

I am open to discussing the project with freelancers who have a strong portfolio in this area.