Developer is a specialist in software development whose duty is to design, code and generate application and program of software. The functions of a developer include: writing, modifying, and running the source code of a software so as to make it work as expected.
More commonly known as computer programmers, developers are skilled in one or more computer languages including, but not limited to, JavaScript, Ruby, or Python. For the most part their specialization will include web application development, mobile application development, and software application development. Front-end and back-end development are also other areas that developers can also choose to specialize on depending on their choice and path they wish to follow.