When I started practicing Low-Level Design, I realized that jumping directly into drawing UML diagrams often leads to messy, confusing designs.

So instead, I followed a step-by-step approach—breaking the system into components, understanding flow, and then translating that into a clean UML.

Here’s how I approached designing a simplified Uber/Ola system.

🎯 Problem Statement

Design a ride-booking system that can:

Create a trip (source → destination)

Match a driver

Calculate price

Support extensibility (new pricing logic, ride types, etc.)

Step 1: Identify Core Components & Actors

Start simple. Who are the main actors?

Rider → requests a trip

Driver → fulfills the trip

These are the foundation of the system.…