System Design - Start-Level Prep
Interview-first system design prep focused on requirement gathering, trade-offs, and high-frequency case studies.
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Course content
5 lessons / 2 modulesNot completed
Design a Rate Limiter: Buckets, Counters, and Real Trade-Offs
7 min
Not completed
Design a Notification System: Fan-Out, Preferences, Retries, and Delivery Guarantees
6 min
Not completed
Design a URL Shortener: IDs, Redirects, Caching, and Expiry
7 min
Not completed
Design a News Feed: Fan-Out, Ranking, Caching, and Celebrity Users
7 min