A Python web developer performs server-side development duties for websites. In this position, you focus on writing code using the Python programming language. Web developers use Python to write code for server-side application logic. Your responsibilities include testing and debugging your script during the development process. Some web developers use HTML and JavaScript to create the elements of websites that the user views. The Python code helps connect these elements with servers and databases and facilitates the collection of data. Python developers can work on open source projects with other developers, or you can use Python to customize open-source web applications.