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Course Roadmap

Last Updated: January 14, 2026

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

19 sections113 chapters
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1
Welcome
Course Roadmap
Join the Community
2
Introduction
What are System Design Interviews?Beginner
Types of System Design QuestionsBeginner
Expectations by Level/YoEBeginner
3
Must-Know Topics
ConceptsBeginner
TechnologiesBeginner
TradeoffsIntermediate
Data StructuresIntermediate
4
Concept Deep Dives
NetworkingBeginner
CachingIntermediate
API DesignIntermediate
Database DesignIntermediate
Distributed SystemsAdvanced
5
Technology Deep Dives
PostgreSQLIntermediate
MySQLIntermediate
MongoDBIntermediate
RedisIntermediate
MemcachedIntermediate
DynamoDBIntermediate
CassandraAdvanced
ElasticsearchIntermediate
KafkaIntermediate
RabbitMQIntermediate
SQSIntermediate
FlinkAdvanced
SparkAdvanced
S3Intermediate
AWS LambdaIntermediate
NginxIntermediate
ZookeeperAdvanced
DockerIntermediate
KubernetesAdvanced
PrometheusIntermediate
6
Interview Patterns
Realtime UpdatesIntermediate
Fanout PatternIntermediate
High Read TrafficIntermediate
High Write TrafficIntermediate
Handling Hot KeysIntermediate
Handling Traffic SpikesIntermediate
Handling Large FilesIntermediate
Media StreamingAdvanced
Handling Location DataIntermediate
Generating Unique IDsIntermediate
Distributed CountingAdvanced
Leader ElectionAdvanced
Failure DetectionIntermediate
Handling FailuresIntermediate
RecommendationsAdvanced
Multi-TenancyAdvanced
Multi-Region ArchitectureAdvanced
Deduplicating DataIntermediate
Distributed TransactionsAdvanced
Removing Single Points of FailureIntermediate
7
Interview Tips
Answering FrameworkBeginner
Estimation CheatsheetBeginner
Diagramming TipsBeginner
Choosing the Right DatabaseIntermediate
9
Basic Questions
Design URL ShortenerBeginner
Design PastebinBeginner
10
Real-Time Communication
Design WhatsAppIntermediate
Design SlackIntermediate
Design Live CommentsIntermediate
Design Google DocsAdvanced
Design ZoomAdvanced
11
Social Media Systems
Design InstagramIntermediate
Design FB News FeedIntermediate
Design TikTokIntermediate
Design RedditIntermediate
Design TinderIntermediate
12
Media Streaming & Delivery
Design SpotifyIntermediate
Design YouTubeIntermediate
Design NetflixIntermediate
Design Google DriveIntermediate
Design GmailAdvanced
Design TwitchAdvanced
13
Location-Based Services
Design AirbnbIntermediate
Design Food Delivery ServiceIntermediate
Design UberAdvanced
Design Google MapsAdvanced
14
Search & Aggregation Systems
Design Search Autocomplete SystemBeginner
Design News AggregatorIntermediate
Design Web CrawlerIntermediate
Design Google SearchAdvanced
Design Ad Click AggregatorAdvanced
15
E-commerce & Marketplace
Design AmazonIntermediate
Design ShopifyIntermediate
Design Flash SaleAdvanced
Design Online Auction SystemAdvanced
Design Movie Booking SystemAdvanced
16
Payment & Financial Systems
Design Payment SystemIntermediate
Design Digital WalletAdvanced
Design Stock ExchangeAdvanced
17
Distributed Infrastructure
Design Load BalancerIntermediate
Design API GatewayIntermediate
Design Rate LimiterIntermediate
Design Key-Value StoreAdvanced
Design Distributed CacheAdvanced
Design CDNAdvanced
Design Object Storage like S3Advanced
Design Messaging QueueAdvanced
Design Time Series DatabaseAdvanced
Design Locking ServiceAdvanced
18
Counting & Ranking Systems
Design Likes Counting SystemIntermediate
Design Real Time LeaderboardIntermediate
Design Top KAdvanced
19
Asynchronous Systems
Design Notification ServiceIntermediate
Design Job SchedulerIntermediate
Design CI/CD PipelineIntermediate
Design Monitoring and Alerting SystemIntermediate
20
Specialized Systems
Design LeetCodeIntermediate
Design Calendar SystemAdvanced
Design Online ChessAdvanced