High Level Design Practice
Difficulty Breakdown
Easy35%
Medium2953%
Hard2342%
55Total
Completion Status
Completed00%
Attempted00%
Remaining55100%
55Total
Problems Overview12 Sections
Free713%
Premium4887%
Total55100%
55Total
Access:Difficulty:
#Section / ProblemDifficultyImportanceLearnSimulationAction
#Section / ProblemDifficulty
Design Pastebin
Easy
Design PastebinEasy
Design URL Shortener
Easy
Design URL ShortenerEasy
Design a Rate Limiter
Medium
Design a Rate LimiterMedium
Design Search Autocomplete
Easy
Design Search AutocompleteEasy
Design a Web Crawler
Medium
Design a Web CrawlerMedium
Design News Aggregator
Medium
Design News AggregatorMedium
Design Ad Click Aggregator
Hard
Design Ad Click AggregatorHard
Design Google Search
Hard
Design Google SearchHard
Design a Notification System
Medium
Design a Notification SystemMedium
Design CI/CD Pipeline
Medium
Design CI/CD PipelineMedium
Design Job Scheduler
Medium
Design Job SchedulerMedium
Design Monitoring & Alerting System
Medium
Design Monitoring & Alerting SystemMedium
Design Airbnb
Medium
Design AirbnbMedium
Design DoorDash/Swiggy
Medium
Design DoorDash/SwiggyMedium
Design Tinder
Medium
Design TinderMedium
Design Google Maps
Hard
Design Google MapsHard
Design Uber
Hard
Design UberHard
Design Amazon E-commerce
Medium
Design Amazon E-commerceMedium
Design Shopify
Medium
Design ShopifyMedium
Design Flash Sale System
Hard
Design Flash Sale SystemHard
Design Movie Booking System
Hard
Design Movie Booking SystemHard
Design Online Auction System
Hard
Design Online Auction SystemHard
Design API Gateway
Medium
Design API GatewayMedium
Design Load Balancer
Medium
Design Load BalancerMedium
Design a CDN
Hard
Design a CDNHard
Design Distributed Cache
Hard
Design Distributed CacheHard
Design Distributed Locking Service
Hard
Design Distributed Locking ServiceHard
Design Key-Value Store
Hard
Design Key-Value StoreHard
Design Message Queue
Hard
Design Message QueueHard
Design Object Storage (S3)
Hard
Design Object Storage (S3)Hard
Design Time Series Database
Hard
Design Time Series DatabaseHard
Design Facebook News Feed
Medium
Design Facebook News FeedMedium
Design Instagram
Medium
Design InstagramMedium
Design Reddit
Medium
Design RedditMedium
Design TikTok
Medium
Design TikTokMedium
Design Google Drive
Medium
Design Google DriveMedium
Design Netflix
Medium
Design NetflixMedium
Design Spotify
Medium
Design SpotifyMedium
Design YouTube
Medium
Design YouTubeMedium
Design Gmail
Hard
Design GmailHard
Design Twitch
Hard
Design TwitchHard
Design LeetCode
Medium
Design LeetCodeMedium
Design Calendar System
Hard
Design Calendar SystemHard
Design Online Chess
Hard
Design Online ChessHard
Design Likes Counting System
Medium
Design Likes Counting SystemMedium
Design Real-time Leaderboard
Medium
Design Real-time LeaderboardMedium
Design Top K System
Hard
Design Top K SystemHard
Design Live Comments
Medium
Design Live CommentsMedium
Design Slack
Medium
Design SlackMedium
Design WhatsApp
Medium
Design WhatsAppMedium
Design Google Docs
Hard
Design Google DocsHard
Design Zoom
Hard
Design ZoomHard
Design Payment System
Medium
Design Payment SystemMedium
Design Digital Wallet
Hard
Design Digital WalletHard
Design Stock Exchange
Hard
Design Stock ExchangeHard