Hi, We are Mt Pixels based in the USA. We have gone through your requirements and know you want a Shopify expert. We have Excellent experience working with SEO friendly, Mobile Responsive Websites and have worked on more than 100 websites so Far. We have 10+ years of experienced full-stack developers working with Joomla, Word press, Shopify, big commerce, Prestashop, Wix, and many other platforms and also have knowledge of HTML5, CSS3, jQuery, Angularjs2, PHP, etc. Kindly award us this job and come over chat for further discussion. Thanks!