We have a direct client requirement as follows Duration - 6+months Location - Burlington, MA Here are the specifications of what we're looking for: Experience: Highly interactive UI development for web browsers Cloud-based (AWS) deployment Working on an Agile team Contributing to open source projects Core Languages, frameworks, technologies and packages: HTML5 CSS3 JavaScript D3.js Node JQuery Vows Coffeescript Ruby Rails 3.2 rspec capistrano cucumber Databases CouchDB MySQL Deployment Amazon Web Services Chef littlechef Fog Tools and methodology: Git/GitHub TDD or BDD Linux and Mac OSX CouchDB Maven/ant Subject matter expertise or experience: Background in physics / chemistry Data visualization Please mail your resume at the earliest if interested.