System Design Fundamentals
The system design interview, demystified. Building blocks: scaling, load balancers, caching, SQL vs NoSQL. Data and communication: sharding, replication and consistency, message queues, API design (REST, gRPC, GraphQL), CDNs. Reliability and ops: rate limiting, microservices vs monolith, observability, security fundamentals. Six full interview walkthroughs (URL shortener, rate limiter, news feed, chat app, distributed cache, full Uber-style mock). The natural pair with DSA for mid-level SE interviews.
5 weeks
4 modules, 32 lessons
2
~11 hours
100% Free Structured Micro Course
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Course Curriculum
Foundations and Building BlocksFREE PREVIEW
Scaling (vertical vs horizontal); load balancers and their algorithms; caching (where, what, invalidation, eviction); SQL vs NoSQL and how to choose.
Data and CommunicationFREE PREVIEW
Database sharding and partitioning; replication and consistency (master-slave, multi-master, CAP); message queues for async communication; API design (REST, gRPC, GraphQL); CDNs and edge delivery.
Reliability and OperationsFREE PREVIEW
Rate limiting (token bucket, leaky bucket, sliding window); microservices vs monolith; monitoring and observability (metrics, logs, traces); security fundamentals (auth, secrets, HTTPS).
System Design Interview WalkthroughsFREE PREVIEW
Six end-to-end walkthroughs: URL shortener (TinyURL), rate limiter, news feed (Twitter/Instagram), chat app (WhatsApp), distributed cache (Redis-style), and a full Uber-style 45-min mock.
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All videos, lessons, and practice exercises are 100% free with zero gatekeeping. Start learning immediately, or enroll with the ₹99 Verified Certificate Pass.