OpenCart Design Adjustments

I need an experienced OpenCart developer to implement layout adjustments on my website.

Key areas for adjustment include:
- Homepage
- Product Pages
- Checkout Process

I require a creative professional who can suggest and execute an engaging and user-friendly design. Ideal candidates should have:
- Proven expertise in OpenCart
- Strong design skills
- Experience with ecommerce layout optimization
- Ability to work promptly and communicate effectively

Please provide a portfolio with relevant experience.