Subscribe
Sign in
Home
👉 Interview Walkthroughs 👈
Important Concepts
Best Free Resources
Books, Courses, and Platforms
All Posts
This Newsletter
Latest
Top
Discussions
Design Leetcode
Like you should in an interview. Explained as simply as possible… but not simpler.
11 hrs ago
Â
•
Â
Stephane Moreau
5
Get 10 free Notion Templates for Engineering Managers
Plus: weekly lessons to help you grow from engineer to a great leader.
Oct 12
Â
•
Â
Stephane Moreau
6
Design Instagram
Like you should in an interview. Explained as simply as possible… but not simpler.
Oct 6
Â
•
Â
Stephane Moreau
3
September 2025
Design FB Live Comments
Like you should in an interview. Explained as simply as possible… but not simpler.
Sep 29
Â
•
Â
Stephane Moreau
2
Design WhatsApp
Like you should in an interview. Explained as simply as possible… but not simpler.
Sep 22
Â
•
Â
Stephane Moreau
10
Design Uber
Like you should in an interview. Explained as simply as possible… but not simpler.
Sep 15
Â
•
Â
Stephane Moreau
7
Design Dropbox/Google Drive
Like you should in an interview. Explained as simply as possible… but not simpler.
Sep 8
Â
•
Â
Stephane Moreau
5
Design Facebook's News Feed
Like you should in an interview. Explained as simply as possible… but not simpler.
Sep 1
Â
•
Â
Stephane Moreau
4
August 2025
Design Twitter (X)
Like you should in an interview. Explained as simply as possible… but not simpler.
Aug 25
Â
•
Â
Stephane Moreau
12
Design a Ticket Booking Service Like Ticketmaster
Like you should in an interview. Explained as simply as possible… but not simpler.
Aug 18
Â
•
Â
Stephane Moreau
5
Design a URL shortener
Interview walkthrough explained as simply as possible… but not simpler.
Aug 11
Â
•
Â
Stephane Moreau
11
Gossip Protocol in 1 diagram and 179 words
Explained as simply as possible… but not simpler.
Aug 7
Â
•
Â
Stephane Moreau
9
This site requires JavaScript to run correctly. Please
turn on JavaScript
or unblock scripts
