ReactJS DeveloperLocation: Boston, MAPosition Type: ContractRate: DOE W2, 1099 and C2CInterview Mode: Face to FaceUS Citizen, Green Card, GC EAD and H1BJob Description:Master level expertise in core UI JavaScript, HTML 5 concepts including modular and OO designStrong expertise in React JSStrong expertise in JavaScript asynchronous programming, closures, callbacks, prototypesStrong expertise in JavaScript MVC/MVP/DOM frameworks such as ReactJS, AngularJS, Backbone.js, Ember.js, Knockout.js, Node.js, as jQueryStrong expertise with Web and RESTful servicesExperience working in fast paced, agile teams