Swift at scale: building the TelemetryDeck analytics service

TelemetryDeck is an app analytics service specifically for developers, designed to manage usage analytics that are anonymized, privacy-focused, and really easy to use. TelemetryDeck is managing the data of over 16 million people every month, helping thousands of app publishers improve their products, and we’re doing it all with a Swift-based infrastructure. The decision to go with Swift brought a lot of unexpected advantages for us. We come from a world of iOS in the frontend, Python, Node, or Ruby in the b