I’m excited to launch my premium pattern-focused System Design interview resource .
This is the most comprehensive course I’ve built, covering 55 interview problems , 20 technology deep dives , and 20 reusable patterns that appear across multiple problems.
Many chapters are free to explore . To unlock full access, you need to become a paid subscriber to the newsletter.
What’s Inside?
55 interview problems categorized into buckets
Organized into 12 practical categories including:
- Real-Time Communication: WhatsApp, Slack, Zoom, Google Docs
- Social Media: Instagram, TikTok, Reddit, FB News Feed, Tinder
- Media Streaming: Spotify, YouTube, Netflix, Twitch, Google Drive
- Location-Based: Airbnb, Food Delivery, Uber, Google Maps
- Search & Aggregation: Autocomplete, Web Crawler, Google Search, Ad Click Aggregator
- E-commerce & Marketplace: Amazon, Shopify, Flash Sale, Movie Booking, Auction System
- Financial System: Payment Systems (Stripe), Digital Wallet, Stock Exchange
- Distributed Infrastructure: Key-Value Store, Distributed Cache, CDN, Rate Limiter, Message Queue
- Counting & Ranking: Likes Counter, Top K, Real-Time Leaderboard
- Asynchronous Systems: Notification Service, Job Scheduler, CI/CD Pipeline
20 Technical Deep Dives
Learn how popular technologies work under the hood and when to use them in interviews:
- Databases: PostgreSQL, MySQL, MongoDB, Cassandra, DynamoDB
- Caching: Redis, Memcached
- Search: Elasticsearch
- Messaging: Kafka, RabbitMQ, SQS
- Stream Processing: Flink, Spark
- Cloud & Infra: S3, Lambda, Nginx, Docker, Kubernetes
- Coordination: Zookeeper, Prometheus
20 High-Level Patterns
These patterns repeat across problems. Learn them once, apply them everywhere:
- Realtime Updates
- Fanout Pattern
- High Read/Write Traffic
- Hot Keys
- Traffic Spikes
- Handling Large Files
- Media Streaming
- Location Data
- Generating Unique IDs
- Distributed Counting
- Leader Election
- Failure Detection and Handling
- Recommendations
- Multi-Tenancy
- Multi-Region Architecture
- Deduplicating Data
- Distributed Transactions
- Removing Single Points of Failure
Interactive Simulations
There is interactive simulations for problems to help you better understand the system and functional requirements before diving into the solution.
Quizzes After Each Chapter
Every chapter ends with a quiz to test your understanding. These quizzes help reinforce the concepts and ensure you’re retaining what you learn before moving to the next topic.
Thank you so much for reading. If you found it valuable, consider subscribing for more such content every week. If you have any questions or suggestions, please email me your comments or feel free to improve it.
