Track 5 · Design Interview Problems
Design TinyURL / Bitly (URL Shortener) Scale a URL shortening service to 10 crore links per month and 25,000 peak redirects/sec. Range-based token generation, Base62 encoding, 301 vs 302 redirects, and fraud prevention.
Interview problem 20 min read
PRO PASS REQUIRED
System Design Notes & 75 Sandboxes
This deep-dive architectural analysis is part of the System Design & 75 Labs pass.
Production War Stories: Battle-tested failure modes and zero-fluff trade-offs.75 Docker Sandboxes: Hands-on reproduction of replication lag, Kafka rebalances, Tatkal locks, etc.Interactive Simulators: Stepper animations, real metrics, and architecture diagrams.Architect-Level Rigour: Sizing estimates, API contracts, and schema designs.
₹499
/ 30 days full access