Modify shopify website

I am looking for a Shopify developer who can make functionality changes to my website by adding new features. The new feature I want is a membership subscription service that allow users to buy products in bulk at a cheaper price.

Requirements:
- Strong experience with Shopify development
- Knowledge of liquid programming language
- Familiarity with Shopify themes and plugins
- Ability to understand and implement new features based on client requirements
- Attention to detail and ability to troubleshoot and fix bugs

Ideal Skills and Experience:
- Proficiency in HTML, CSS, and JavaScript
- Experience with Shopify app development
- Familiarity with UX/UI design principles
- Strong communication skills to understand client needs and provide regular updates
- Ability to work independently and meet project deadlines

If you have the expertise and skills required, please provide examples of previous Shopify projects you have worked on.