Frontend Developer. (HTML/CSS/JavaScript) + Frameworks

A programmer engaged in the development of a user interface, that is, the external public part of the site in a browser. The main task of the front-end developer is to make user interaction with a website or web application as convenient as possible. JavaScript is the main front-end language of the web developer, in which he implements user interface programming. The main task of the front-end is site layout: writing HTML-code and CSS-styles for presenting information in a way that is understandable to all browsers and the external correspondence of the site to the designer's layout. It often happens that layouts do not reflect all the details of a general idea. In this case, the front-end developer includes his design abilities to take into account all the technical details and nuances. There are many additional tools that automate the routine part of the work: Sass / SCSS, jQuery, LESS, AngularJS, Bootstrap, Prototype, Ember.js, Backbone, React.js, Grunt Gulp. And the advent of Chrome Dev Tools and Firebug has improved productivity.