Tag: case-study

All the articles with the tag "case-study".

• System Design: Notification System

  Published:May 6, 2026 |  at 11:00 AM

  (9 min read)

  Designing a notification system end-to-end — fan-out, channel routing, idempotency, DND, real-time counters, and the right level of complexity for each feature.

• System Design: URL Shortener

  Published:May 6, 2026 |  at 10:45 AM

  (8 min read)

  Designing a URL shortener end-to-end — scale estimation, slug generation, caching, database choices, and failure handling. First complete system design.