Twitter System Design Mock Interview (with a Senior Software Engineer)

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Today's mock interview: /"Twitter Design or /"X/"/".

Our guest candidate is Eugene from Crushing Tech Education. It answers this extremely popular systems design interview question.

You can see more of Eugene's creations on his helpful channel: https://www.youtube.com/@crushingtecheducation

Chapters:
00:00 Introduction
01:17 Question: How would you design Twitter or X.com?
01:40 1. Clarification questions
05:46 2.1 High-level design (calculate metrics)
11:25 a.m. 2.2 High-level design (API)
14:33 2.3 High-level design (components)
15:52 2.4 High-level design (database)
7:09 p.m. 3.1 Exploration (workflow)
27:49 3.2 Exploration (timeline service)
29:18 3.3 Explore (user tracking)
30:59 3.4 Exploration (review workflow)
32:57 3.5 Exploration (user timeline)
39:08 3.6 Exploration (summary)
41:42 4.1 Refine the design (bottlenecks)
47:10 4.2 Refine the design (popular users)
48:55 4.3 Refine the design (tweet storage)
52:55 Final return and end of the interview

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