Architecture

Top 32 System Design Questions

A curated list of High-Level (HLD) and Low-Level (LLD) system design interview questions asked at FAANG.

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Design a Rate Limiter

StripeUberAmazon

HLD

Design URL Shortener (TinyURL)

AmazonGoogleFacebook

HLD

Design a Web Crawler

GoogleAmazon

HLD

Design Twitter (X)

TwitterFacebook

HLD

Design WhatsApp (Chat System)

MetaAmazon

HLD

Design Instagram

InstagramFacebook

HLD

Design Uber

UberLyft

HLD

Design Netflix (Video Streaming)

NetflixAmazon

HLD

Design a Notification System

AppleNetflixGoogle

HLD

10.

Design Amazon (E-commerce)

AmazonFlipkart

HLD

11.

Design Google Docs (Collaborative Editor)

GoogleMicrosoft

HLD

12.

Design Google Drive

GoogleDropbox

HLD

13.

Design Ticketmaster

TicketmasterBookMyShow

HLD

14.

Design Yelp (Proximity Server)

YelpGoogle

HLD

15.

Design a Recommendation System

NetflixYouTube

HLD

16.

Design Zoom (Video Conferencing)

ZoomMicrosoft

HLD

17.

Design Airbnb

Airbnb

HLD

18.

Design a Key-Value Store

AmazonGoogle

HLD

19.

Design Twitter Search

TwitterGoogle

HLD

20.

Design Tinder

TinderBumble

HLD

21.

Design a Distributed Message Queue

ConfluentAmazon

HLD

22.

Design an Autocomplete System

GoogleAmazon

HLD

23.

Design a Parking Lot

AmazonMicrosoft

LLD

24.

Design an Elevator System

AmazonGoogle

LLD

25.

Design Tic-Tac-Toe

AmazonMeta

LLD

26.

Design a Vending Machine

Google

LLD

27.

Design an ATM

Microsoft

LLD

28.

Design Library Management System

Amazon

LLD

29.

Design Chess Game

MicrosoftGoogle

LLD

30.

Design a Movie Ticket Booking System

AmazonBookMyShow

LLD

31.

Design a Logger (Log Library)

AtlassianUber

LLD

32.

Design Snake Game

AmazonMicrosoft

LLD

Arena

Arena

Top 32 System Design Questions

Top 32 System Design Questions