E-commerce Website Development for Digital Products

I'm looking for a seasoned web developer to help me build a robust e-commerce website. The site will primarily sell digital products, so experience in setting up such a platform is crucial.

Key Requirements:
- Expertise in creating e-commerce websites.
- Experience with platforms for selling digital products.
- Ability to implement a secure and efficient system for downloadable products.

Please include relevant samples of your previous work.