In this interview with Swapnil Kulkarni, a Solutions Architect at Opcito Technologies where he contributes to different OS initiatives, we’re going to look under the hood of the OpenStack project, where more than 95% of the entire codebase is in Python. Swapnil is a long-time core contributor to a few major subsystems and the core reviewer in the requirements team at OpenStack. We’re going to learn about the project, how they develop there, what their technology preferences are and some of the reasons they chose Python as the main language. Swapnil is also managing hundreds of PyCharm licenses