This is Senior Ruby on Rails Developer with 10+ years experiences in web development especially 5+ years in Ruby on Rails. Since 2015 I have developed a lot of senior level applications using primarily Ruby on Rails including e-commerce sites, inventory management systems, scheduling systems, forum applications, other fulfillment systems and Bitcoin Exchange Site. I have deep knowledge background in HTML5, CSS(twitter bootstrap 2.x, 3.0, zurb foundation), Javascript(jQuery, backbone.js, knockout.js, d3.js) and I have enough experience of working in leading and managing the web applications. Also have strong experience with Ruby on Rails, Redis, Postgresql, AWS and Firebase.