As an open source developer, you work with open source code, tweaking, improving, and building upon it to create new software for an organization. Your duties vary depending on the position, but they can include using your knowledge of various open source coding systems and software to code new programs and applications, troubleshooting and debugging software, and tracking and reporting issues. Your responsibilities also include researching and learning about current and new standards for the coding languages with which you work. Most open source developers have skills and expertise in multiple programming languages, but many organizations are willing to train quick learners on each project.