Shopify Website Mobile Optimization & Coding

I have a Shopify website that requires coding to ensure it meets a responsive design for mobile and tablet. I also have a specific design that needs to be implemented.

Ideal Skills:
- Shopify coding and development
- Responsive design implementation
- Theme customization

Experience Needed:
- Proven track record of Shopify projects
- Experience with implementing responsive designs
- Portfolio showcasing previous theme customizations