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System Design Interview: Designing a Chat Application
System Design & Architecture

System Design Interview: Designing a Chat Application

Real-time messaging is one of the most demanding system design problems because it combines persistent connections, low-latency delivery, message ordering,...
March 31, 2026 16 min read
System Design Interview: Designing a URL Shortener
System Design & Architecture

System Design Interview: Designing a URL Shortener

The URL shortener is one of the most common system design interview questions, and for good reason. It sounds deceptively...
March 31, 2026 16 min read

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