As a Certified Magento and Shopify developer with over 10 years of experience, I have high level knowledge with building website from scratch, creating modules and templates, extension install/customizing, troubleshooting magento stores, version upgrade, improving performance etc. And I have also good knowledge about Shopify Themes, Apps, Settings, layouts and Templates. Especially, I am so familiar with PHP, HTML5, CSS3, Javascript and frameworks such as Angular js, jQuery , Bootstrap, CSS preprocessors (Less, Sass, Stylus), XML, Ajax, Parallex, MySQL, Git, ssh, etc. I guarantee high quality work, quick answers on you messages and responsibility.