Big Commerce stores design

I need someone that can help me design 4 online stores.I am using BigCommerce [login to view URL] of them will have same design(same base),but different logo,background,colors etc. So basically you need to redesign one bigcommerce template and then for other websites just make few changes to make them relevant to the theme. Please reply ONLY if you have experience using bigcommerce shopping cart software. I am looking to build a modern clean looking ecommerce site that is well designed. The site must look very professional. I will need a logo design and a front page banner for my website. Larger projects will be available in the future for qualified person. Please send me your previous design works along with your bid.