Filipe Cabaco, an Elixir developer at Supabase, shares his insights on enhancing Supabase's real-time functionalities. He discusses the evolution of their Elixir-powered real-time engine, focusing on the challenges of implementing features like data synchronization and user presence in distributed systems. Filipe highlights the benefits of Elixir's concurrency model, its utility in managing state, and contrasts open-source solutions with Firebase's limitations. The conversation also covers effective strategies for scaling systems and navigating legacy code.