Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery · Experience building user interfaces for websites and/or web applications · Experience designing and developing responsive design websites · Comfortable working with debugging tools like Firebug, Chrome inspector, etc. · Ability to understand CSS changes and their ramifications to ensure consistent style across platforms and browsers · Ability to convert comprehensive layout and wireframes into working HTML pages · Knowledge of how to interact with RESTful APIs and formats (JSON, XML) · Proficient understanding of code versioning tools {{such as Git, SVN, and Mercurial}} · Strong understanding of PHP backend development