NNOEMAinnoema.hashnode.dev·Apr 18 · 3 min readUnderstanding System Design: Why Knowing Components Is Not EnoughMany developers feel confident about system design because they are familiar with concepts like load balancers, caching, and databases. I felt the same. But when it came to designing even a simple sys00
NNOEMAinnoema.hashnode.dev·Apr 13 · 2 min readMost People Learn System Design the Wrong WayI did too. I spent weeks reading theory, watching videos, and still couldn’t design even a basic system. Here’s what I was doing wrong and what actually works. 1. Starting with Theory First I began w00
NNOEMAinnoema.hashnode.dev·Apr 12 · 3 min readHow WhatsApp Handles 1:1 Messaging at Scale (System Design Explained)At first glance, sending a message on WhatsApp feels instant and simple. But behind that single action lies a highly optimized distributed system designed for low latency, high reliability, and massiv00