System Design Interview Problem: Design WhatsApp

Prepare for system design interviews with this guide to designing a WhatsApp-like messaging app.

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Sep 13, 2025

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Hello guys, if you are preparing for system design interview then solving popular System Design interview problems is a great way to start your preparation and revise key software architectu…

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A guest post by

Hayk

I help fullstack developers break out of the mid-tier trap and scale into multi six-figure remote careers.