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Building the Roavelo mobile app, I ended up using TanStack Query and Zustand together for state management. This post covers why I picked that combo, what worked, what didn’t, and some real patterns like Optimistic Updates and payment data validation...

Despite its name and reputation as a "data-fetching library," React Query doesn't actually fetch anything. It's a common misconception that needs clearing up. What React Query Really Is React Query is data-fetching agnostic. It's purely a caching and...

Modern productivity apps live and die by real-time accuracy. Whether it’s calendars, clocks, dashboards, or analytics, users expect data to stay fresh without sacrificing performance. While building Clock OS v3.0, a system-level time interface built ...

Apps these days are inaccessible without an internet connection.As we all know, in an online-first architecture, an application fundamentally relies on a constant and stable internet connection to function. Data is primarily managed, stored, and sync...

Have you ever tapped a button in an app and 💨 nothing happened? No loading indicator, no error message, no hint that your action was even received. Just you… staring at the button you tapped. What do you do now? Tap again? Wait? Or — God forbid — ju...
