SMRTR ProgrammingApr 20, 2026Daily.dev

The Vertical Codebase

SMRTR summary

Traditional horizontal codebase structures that group files by type (components/hooks/utils) create maintainability nightmares as projects scale. Vertical organization groups code by domain or feature instead, improving cohesion and reducing cognitive load. This approach aligns with how product teams are structured and makes code easier to navigate and modify.

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