Dear Client, I can help you in this task but we need to discuss that before we proceed further. I have strong experience of more than 3 years working on complex web application. I have expertise in Ruby on Rails, JavaScript 1.3 (Backbone.js, Angular.js, Ember.js) , HTML5, HAML, Ajax, CSS3, jQuery, MySQL ( MySQL 5.1, PostgreSQL 9.0) and Mongo DB. Please send me your skype id or contact no. so that we can discuss and start working on your project. I have already worked on Music, Ecommerce platforms, marketplaces, couriers and more domains. Please let me know your suitable time so that we can discuss and then we can immediately start work on your requirements. I am looking forward to have long term business relationship with you and I hope to hear some affirmative from you. Thanks Kavita