What Defines a “Front-End Developer”?

What Defines a “Front-End Developer”? | six03: "What defines the role of a front-end developer? I have browsed through several job sites and looked at all the listings from companies when they post for the “front-end developer” position and have been absolutely amazed by the amount of qualifications one has to have and the expectations these companies have for someone applying for a “front-end developer” position."