5 - 8 yrs of overall experince.
3+ year in developing web apps using spring/struts.
Should have 2+ years of hands on experience in delivering complex RWD mobile web applications using HTML5, CSS3 using frameworks like AngularJS or Backbone.JS, twitter bootstrap.
Should have knowledge about : Yeoman, Grunt, Jasmine or Qunit or Karma
Nice to have : SASS/LESS