Hi there!
I just read your description and I am sure I am perfect for this job as I have worked alot with JSON APIs.
I am a professional freelance web designer and developer. I have built a variety of websites that are modern, eye-catching and fully responsive. These websites are so awesome that they help my clients represent their business well, attract more visitors, and most importantly convert them into customers. I am experts in HTML5, CSS3, Javascript, JQuery, Bootstrap as a front end and PHP, Laravel, Codeigniter, Cake PHP as a backend.I am specialized in providing perfection to your E-Commerce websites and management systems.
Following are my Expertise Area:
WordPress Themes / Plugins Development
Responsive Website Design / Bootstrap / HTML5 / CSS3
Woocommerce Customization
NopCommerce / BigCommerce
Magento / Joomla / Drupal/ Volusion
3D cart / Opencart / RedBubble
Shopify / cafepress / Etsy
Mobile Apps Development
Asp.Net web application