Learn about System Design with interactive visualizations and depth.
Course Modules
Intro & Mindset
Start your journey from Code Monkey to Software Architect. Learn the core principles of System Design, Scalability, and the PEDALS interview framework.
Networking
Master System Design Network Fundamentals. Explore the OSI Model, TCP vs UDP, HTTP/3, WebSockets, and gRPC for creating Scalable Distributed Systems today.
API and Communication
Master the art of System Communication: REST vs GraphQL, WebSockets, gRPC, and the API Gateway Pattern. Interactive system design demos and proofs included.
Database Basics
Master the fundamentals of distributed databases: SQL vs NoSQL, ACID vs BASE, Isolation Levels, and Recovery (WAL). Learn why and when to use each model.
Load Balancing
Master the art of traffic distribution. Learn about L4 vs L7 load balancing, algorithms like Round Robin and Least Connections, and Reverse Proxies basics.
Caching
Master Caching: The art of making slow things fast. Covers Redis, Memcached, CDNs, Eviction Policies, and Consistency Patterns. Essential for system design.
Data Scaling
Master data scaling techniques, including horizontal sharding, consistent hashing, database replication, and CAP/PACELC theorems for distributed system design.
Messaging
Master Asynchronous Messaging in System Design. Learn RabbitMQ vs Kafka, Pub-Sub, Idempotency, and Event-Driven Architecture for robust systems today.
Coordination
Master the art of Distributed Coordination. Learn how systems agree on truth using Leader Election, Distributed Locking, Consensus, Raft, Paxos, and ZK.
Simple Services
Learn about Simple Services with interactive visualizations and depth. Explore URL Shorteners, Pastebin, API Rate Limiters, Unique IDs, and Click Aggregation.
Social Media
Learn about Social Media with interactive visualizations and depth.
Content Systems
Master the design of massive content systems: Dropbox (File Storage), YouTube (Streaming), Google Crawler (Indexing), and Typeahead Search (Suggestions).
Real-Time Systems
Master Real-Time System Design: Learn to build Flash Sale engines, Live Notification systems, Gaming Leaderboards, and Distributed Counters at global scale.
Specialized Systems
Learn about Specialized Systems with interactive visualizations. Master architectures for Uber, LeetCode, Google Calendar, and Payments in this module.
Data Deep Dive
Learn about Data Deep Dive with interactive visualizations and depth. Learn the core concepts and real-world applications in this detailed guide. Learn the...
Infra Deep Dive
Explore the Big Four infrastructure systems—GFS, HDFS, Kafka, and Chubby—with interactive visualizations to master the foundations of modern cloud design.
Ops Excellence
Master the art of running production systems. Learn Observability, Reliability Patterns, Security, and Zero-Downtime Deployment strategies to excel as an SRE.
Final Assessment
The Final Assessment for System Design. Test your skills with mock interview checklists, random practice scenarios, and a comprehensive review course.
Wise Interview Playbook
Master System Design for Wise (TransferWise). Deep dives into real-time aggregations, FX services, international payments, and concurrency control.