September 9, 2026The Vertical Codebase Group code vertically according to what the code does (Functionality) Like having billing, dashboard, and design system teams in a company Like making each vertical an independent package in a monorepo tkdodo.euThe Vertical CodebaseLet's take a look at why the common, horizontal code structure is not ideal, where it breaks down, and what we can do about it. (opens in a new window)