QCon London 2026: Rewriting All of Spotify's Code Base, All the Time

At QCon London 2026, Spotify engineers presented Honk, an AI-powered coding agent that continuously rewrites their codebase. The system accelerates code migrations and drastically reduces timelines by handling complexities that traditional scripts cannot. Key challenges included managing edge cases and standardizing the codebase to streamline review processes, demonstrating AI's transformative potential in large-scale infrastructure modernization.