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Control, clarity, and clean code — why Flutter feels better with Vertical Slice.

Implementing Vertical Slice Architecture in Flutter

Mufraggi Hugo

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5 min read

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Jun 8, 2025

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In this article, we will see how to implement a vertical slice architecture with Flutter.

✅ TL;DR

• Vertical Slice Architecture is inspired by Clean Architecture, aiming to isolate each feature into its module — from domain to UI.
• It improves readability, testability, and maintainability while reducing cognitive load.
• In Flutter, it works well with tools like BLoC for state management and GetIt for dependency injection.
• Each feature resides in its folder, which includes subfolders such as application, data, domain, and presentation.

Who am I?

A few words about me: I’m a software engineer, mainly focused on software architecture, especially on the backend and data side. One of my key motivations is to continuously discover ways to enhance the reliability and speed of delivery.

I’m not a mobile developer, but I recently developed a small app for my Brazilian Jiu-Jitsu gym. So take a step back, grab what makes sense to you, and try it out. What I’m going to share is theoretical, and theory alone is useless without…