Companies at a scale like Spotify’s, with half a million lines of code and forty engineers, cannot afford to write spaghetti code that barely works. In this MBLTDev15 talk, Hector Zarate of Spotify goes in-depth about the internal changes that Spotify made to extract common layers of code from isolated chunks & create a visually consistent, light, and back-end-driven iOS app. Learn how these architectural changes enabled Spotify’s successful and impressive redesign, and will simplify innovation in the future.