Object Oriented programming concepts in JS like inheritance in JS framework.
Currently Walmart is using REACT js frame work() they need to have indepth idea of this framework as they will be migrating from this plaform to Electrode Bolt (electrode-bolt). So the candidate should have good knowledge on these frameworks of REACT and ELECTRODE.
Template Engines : Handlebar, Moustache, Underscore (at least one)
HTML5, CSS3, JQuery
Other Requirements :
7+ years experience doing UI / Front-end development with a solid knowledge of JavaScript / AJAX / HTML / CSS.
5+ years experience in building web applications using the latest standards-based approaches (JavaScript. HTML5, CSS3).
Has worked on a minimum of 2 high traffic enterprise level production sites.
Demonstrable knowledge of Semantic HTML markup.
Experience with Continuous Integration and automated testing strategies.
Experience in incorporating and utilizing BDD / TDD / JavaScript unit testing frameworks (Jasmine, Mocha).
Knowledge of JavaScript design patterns and frameworks like Backbone, Ember.js, Handlebars, Underscore, and so on.
Experience with Ant or Maven build tools, SVN / GIT source control systems.
Mastery of cross-browser, cross-platform markup and layout (HTML, CSS).
Experience with server side technologies like JSP, Java, and Java Servlets (or similar server generation technologies).