GDG DevFests are large, community-run developer events happening around the globe focused on community building and learning about Google’s technologies.
More about GDG DevFests: https://developers.google.com/events/devfest
A wide range of topics will be discussed including Android, PWA, Polymer, AMP, Javascript, Node.js, Firebase, Python, Actions on Google, and Angular given by professional speakers and developers in their respective fields.