A Toolkit for Tackling the URL Shortening (TinyURL) System Design Interview

Опубликовано: 13 Февраль 2026
на канале: Coderbyte
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This week we’re kicking off our series on system designs interview questions. Liz breaks down tips for approaching these questions not only in an interview but also in the actual daily work of an engineer. She walks through the quintessential TinyURL question in this video.


The Problem
Design a URL shortening service such as TinyURL or Bitly.


Additional Resources:
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Need more practice? Check out our channel for more videos on preparing for a coding interview    / coderbytedevelopers  


Video Overview:
0:53 General Tips for Approaching System Design Questions
10:33 The Problem
12:26 Scoping the Problem
18:14 Capacity Estimation
24:30 Database Design
28:35 System APIs
30:24 Core Algorithm
35:55 Coding a Solution
46:20 Load Balancing & Caching
48:35 Putting it All Together
51:19 Recap