The job duties of a freelance python programmer involve coding software and applications and working to develop web applications using the Python programming language. As a freelancer, you work for clients on a contract basis, and you may handle more than one project at a time. Your responsibilities can vary from client to client, but you always use Python to create, test, or improve applications or software. In addition to coding, you may perform an analysis of a server or database to determine the effectiveness of an application.