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Flutter Daemon @JustifiedTech_
Joined August 2015
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Building software taught me that scalability problems rarely come from traffic. They come from assumptions that eventually become wrong.
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Your Flutter widget should do one thing. Render. Not call APIs. Not parse data. Not manage shared state. Notifier โ†’ logic. Repository โ†’ data. Widget โ†’ renders. That's the whole discipline.
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I've seen Flutter apps collapse under their own weight at 15 screens. Not because Flutter can't scale. Because the architecture was wrong from day 1. Here are 7 mistakes killing your Flutter app's scalability ๐Ÿงต
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The architecture that scales 4 layers. Dependencies always flow downward. Presentation โ†’ Domain โ†’ Data โ†’ Core Feature-first folders. Repository pattern. Riverpod for DI. Sealed states. Widgets that only render. That's it. That's the whole system.
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Fix these 7 things and your Flutter app survives: โ†’ 10ร— the features โ†’ 10ร— the team size โ†’ 10ร— the users That's what building things the right way means. Follow @JustifiedTech_ for Flutter patterns every week.
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1/ Your fintech app is losing users at the document upload screen. Most teams never know because they don't instrument it. Here's why weak onboarding costs you more than drop-offs ๐Ÿงต
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6/ The CLEAR framework for onboarding that converts AND protects: C โ€” Contextual (ask only what the risk tier requires) L โ€” Layered (progressive access) E โ€” Explainable (clear rejection reasons) A โ€” Async (never block the user) R โ€” Retriable (resumable after failure)
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7/ Your onboarding flow is your first product impression. 5 metrics to track: โ†’ Funnel drop-off rate per step โ†’ Time-to-verified (p50, p90) โ†’ Auto-approval rate โ†’ False rejection rate โ†’ Fraud catch rate Build it like it matters. Because it does.
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