All Services Programming & Development Custom theme / functionality development $40/hr · Starting at $300 PSD to Shopify theme Theme Customization Adding new functionality 3rd Party Checkout Page develoment and Payment gateway integration API Integration APP development Bug Fixing About $40/hr · Ongoing Download Resume PSD to Shopify theme Theme Customization Adding new functionality 3rd Party Checkout Page develoment and Payment gateway integration API Integration APP development Bug Fixing Skills & Expertise App DevelopmentCSS3HTML5JavaScriptjQueryJSONShopify DevelopmentTwitter Bootstrap 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Shopify DevelopersPayment Gateway Integration ServicesJSON DevelopersData Entry ExpertsWeb Application DevelopersMarketersHTML5 DevelopersjQuery DevelopersJavaScript Developers