Course Roadmap

Use the filters below to tailor your prep by difficulty and experience level.

19 sections113 chapters

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#	Section / Chapter	Priority	Difficulty
1	Welcome
	Course Roadmap
	Join the Community
2	Introduction
	What are System Design Interviews?Beginner	High	Beginner
	Types of System Design QuestionsBeginner	High	Beginner
	Expectations by Level/YoEBeginner	High	Beginner
3	Must-Know Topics
	ConceptsBeginner	High	Beginner
	TechnologiesBeginner	High	Beginner
	TradeoffsIntermediate	High	Intermediate
	Data StructuresIntermediate	Medium	Intermediate
4	Concept Deep Dives
	NetworkingBeginner	High	Beginner
	CachingIntermediate	High	Intermediate
	API DesignIntermediate	High	Intermediate
	Database DesignIntermediate	High	Intermediate
	Distributed SystemsAdvanced	High	Advanced
5	Technology Deep Dives
	PostgreSQLIntermediate	High	Intermediate
	MySQLIntermediate	Medium	Intermediate
	MongoDBIntermediate	Medium	Intermediate
	RedisIntermediate	High	Intermediate
	MemcachedIntermediate	Low	Intermediate
	DynamoDBIntermediate	High	Intermediate
	CassandraAdvanced	High	Advanced
	ElasticsearchIntermediate	High	Intermediate
	KafkaIntermediate	High	Intermediate
	RabbitMQIntermediate	Medium	Intermediate
	SQSIntermediate	Medium	Intermediate
	FlinkAdvanced	Low	Advanced
	SparkAdvanced	Low	Advanced
	S3Intermediate	High	Intermediate
	AWS LambdaIntermediate	Medium	Intermediate
	NginxIntermediate	Medium	Intermediate
	ZookeeperAdvanced	Medium	Advanced
	DockerIntermediate	Medium	Intermediate
	KubernetesAdvanced	Medium	Advanced
	PrometheusIntermediate	Low	Intermediate
6	Interview Patterns
	Realtime UpdatesIntermediate	High	Intermediate
	Fanout PatternIntermediate	High	Intermediate
	High Read TrafficIntermediate	High	Intermediate
	High Write TrafficIntermediate	High	Intermediate
	Handling Hot KeysIntermediate	Medium	Intermediate
	Handling Traffic SpikesIntermediate	Medium	Intermediate
	Handling Large FilesIntermediate	Medium	Intermediate
	Media StreamingAdvanced	High	Advanced
	Handling Location DataIntermediate	High	Intermediate
	Generating Unique IDsIntermediate	Medium	Intermediate
	Distributed CountingAdvanced	Medium	Advanced
	Leader ElectionAdvanced	Medium	Advanced
	Failure DetectionIntermediate	Medium	Intermediate
	Handling FailuresIntermediate	High	Intermediate
	RecommendationsAdvanced	Low	Advanced
	Multi-TenancyAdvanced	Low	Advanced
	Multi-Region ArchitectureAdvanced	Medium	Advanced
	Deduplicating DataIntermediate	Low	Intermediate
	Distributed TransactionsAdvanced	Medium	Advanced
	Removing Single Points of FailureIntermediate	High	Intermediate
7	Interview Tips
	Answering FrameworkBeginner	High	Beginner
	Estimation CheatsheetBeginner	High	Beginner
	Diagramming TipsBeginner	High	Beginner
	Choosing the Right DatabaseIntermediate	High	Intermediate
9	Basic Questions
	Design URL ShortenerBeginner	High	Beginner
	Design PastebinBeginner	Medium	Beginner
10	Real-Time Communication
	Design WhatsAppIntermediate	High	Intermediate
	Design SlackIntermediate	Medium	Intermediate
	Design Live CommentsIntermediate	Medium	Intermediate
	Design Google DocsAdvanced	High	Advanced
	Design ZoomAdvanced	Medium	Advanced
11	Social Media Systems
	Design InstagramIntermediate	High	Intermediate
	Design FB News FeedIntermediate	High	Intermediate
	Design TikTokIntermediate	Medium	Intermediate
	Design RedditIntermediate	Medium	Intermediate
	Design TinderIntermediate	Medium	Intermediate
12	Media Streaming & Delivery
	Design SpotifyIntermediate	Medium	Intermediate
	Design YouTubeIntermediate	High	Intermediate
	Design NetflixIntermediate	High	Intermediate
	Design Google DriveIntermediate	High	Intermediate
	Design GmailAdvanced	Low	Advanced
	Design TwitchAdvanced	Medium	Advanced
13	Location-Based Services
	Design AirbnbIntermediate	Medium	Intermediate
	Design Food Delivery ServiceIntermediate	Medium	Intermediate
	Design UberAdvanced	High	Advanced
	Design Google MapsAdvanced	Medium	Advanced
14	Search & Aggregation Systems
	Design Search Autocomplete SystemBeginner	High	Beginner
	Design News AggregatorIntermediate	Low	Intermediate
	Design Web CrawlerIntermediate	Medium	Intermediate
	Design Google SearchAdvanced	Medium	Advanced
	Design Ad Click AggregatorAdvanced	Medium	Advanced
15	E-commerce & Marketplace
	Design AmazonIntermediate	Medium	Intermediate
	Design ShopifyIntermediate	Low	Intermediate
	Design Flash SaleAdvanced	Medium	Advanced
	Design Online Auction SystemAdvanced	Low	Advanced
	Design Movie Booking SystemAdvanced	Medium	Advanced
16	Payment & Financial Systems
	Design Payment SystemIntermediate	Medium	Intermediate
	Design Digital WalletAdvanced	Medium	Advanced
	Design Stock ExchangeAdvanced	Low	Advanced
17	Distributed Infrastructure
	Design Load BalancerIntermediate	High	Intermediate
	Design API GatewayIntermediate	High	Intermediate
	Design Rate LimiterIntermediate	High	Intermediate
	Design Key-Value StoreAdvanced	Medium	Advanced
	Design Distributed CacheAdvanced	High	Advanced
	Design CDNAdvanced	Medium	Advanced
	Design Object Storage like S3Advanced	Medium	Advanced
	Design Messaging QueueAdvanced	Medium	Advanced
	Design Time Series DatabaseAdvanced	Low	Advanced
	Design Locking ServiceAdvanced	Low	Advanced
18	Counting & Ranking Systems
	Design Likes Counting SystemIntermediate	Medium	Intermediate
	Design Real Time LeaderboardIntermediate	Medium	Intermediate
	Design Top KAdvanced	Medium	Advanced
19	Asynchronous Systems
	Design Notification ServiceIntermediate	Medium	Intermediate
	Design Job SchedulerIntermediate	Medium	Intermediate
	Design CI/CD PipelineIntermediate	Low	Intermediate
	Design Monitoring and Alerting SystemIntermediate	Medium	Intermediate
20	Specialized Systems
	Design LeetCodeIntermediate	Medium	Intermediate
	Design Calendar SystemAdvanced	Low	Advanced
	Design Online ChessAdvanced	Low	Advanced

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