10 Software Architecture Patterns That Prevent Codebases From Falling Apart

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A technical guide published on DEV Community outlines 10 core software architecture patterns aimed at helping developers manage growing complexity in codebases. The article argues that structural decay — not poor syntax — is the root cause of systems that become slow, buggy, and difficult to maintain at scale. Patterns covered include Layered, Hexagonal, Onion, and Clean Architecture, each offering different approaches to enforcing boundaries between components. The piece emphasizes that when domain logic, UI, and database access are allowed to mix freely, any change to the system risks unpredictable side effects. According to the author, understanding these patterns is essential not just for senior engineers but for any developer working on software that must evolve with real-world demands.

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