SkilDock
Live DemoIntermediate2 hours

Design a URL Shortener System

Walk through the full system design process for a URL shortener: requirements, API, database, scaling, and trade-offs.

Part of System Design (Week 3)

What You'll Build

A complete system design document for a URL shortener covering functional/non-functional requirements, API contracts, database schema, caching with Redis, and horizontal scaling strategy.

Tools Used

WhiteboardRedisPostgreSQLLoad Balancer

Skills Practiced

System design methodologyDatabase designCaching strategyScaling patterns

Prerequisites

  • Basic web architecture knowledge

Why This Matters in Real Jobs

URL shortener is the classic introductory system design question. Mastering this builds the muscle memory for tackling more complex designs in interviews at top tech companies.

Access This Lab

This lab is part of the System Design course. Enrol to get access to all labs, projects, and career support.