Front End Developers work on new and existing micro-sites, landing pages, and templates and provide guidance and troubleshooting support to clients. Sample resumes in the field for this position show such skills as presenting completed HTML and CSS mobile and desktop mockups to clients, fixing front-end related bug issues on existing client website and HTML prototypes, and updating and creating print media and internal graphics for the marketing department. While no formal educational experience is required, employers look for expertise in several programming languages, such as HTML5, W3C, and CSS3 on applicants' resumes.