Decoded Frontend - Angular Interview Hacking %21%21top%21%21 Here

Don't just say "NgRx is for state management."
Say: "We use NgRx when multiple components share data and actions need traceability. For smaller apps, a BehaviorSubject service is cleaner."

Interview Hack → Show you can pick the right tool, not just the popular one.

When they say, "Tell me about a time you fixed a performance bug." Decoded Frontend - Angular Interview Hacking %21%21TOP%21%21

Do not say: "I optimized an ngFor."

Say this (The Decoded Narrative):

"We had a table with 10,000 rows. The CD was running 40 times per second. I realized Zone.js was triggering on every mouseenter event due to a third-party library.
I migrated the table to OnPush and used trackBy with a custom signal store. Within one sprint, we went from 200ms frame drops to 16ms smooth scrolling. The key was isolating the reactive zone to only the visible viewport using @defer."

You don’t need 50 operators. Master:

They’ll ask: "Can you override a service for a specific component?"
Nail it with:
"Use providers: [CustomService] at component level or @Injectable( providedIn: 'root' ) with factory providers."

Pro Hack → Mention @Self(), @SkipSelf(), and multi-providers for advanced scenarios. Don't just say "NgRx is for state management