Shopify Site for Software Sales

I'm looking for an expert in Shopify development to create a website for selling my software products.

Key features of the site will include:
- A robust system to handle subscription model sales.
- Ensuring the site is capable of scaling with increasing number of subscribers.

Ideal freelancer for this project should have:
- Proven experience in Shopify site development and e-commerce.
- Expertise in building sites for software sales specifically.
- Ability to create a secure and user-friendly site.

Please provide examples of similar projects you've completed.