JieLynn Diroy is a software engineer at Firebase who gives presentations (#JieTalks) about Firebase and app development. Firebase is a tool and infrastructure that makes app success simple by allowing developers to focus on building better apps and growing successful businesses. It provides features like real-time database, storage, notifications, app indexing and analytics to help developers grow their apps. Popular companies and apps like Uber, Airbnb and Tinder use Firebase's mix and match services to develop and earn from their cross-platform mobile and web apps.