“Front-end” is the client-facing portion of a web application. The responsibilities of front-end developers include website security, code quality testing, cross-browser and device compatibility, performance, scalability, and more. Globally, the annual salary of front-end developers stands at $51,000. Front-end end developers in the U.S. can make significantly more, with salaries ranging from $61,000 - $101,000. The hourly rate of freelance front-end developers usually ranges from $61-80, though these figures will vary depending on where the developer is based, and how much experience he/she has.