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Daily challenge2026-10-22

Design an Event-Driven Notification Hub

Day 326 of 5000

Challenge details

Real-Time Comm

Users sign up for various event topics; when events occur, the system routes them to web push, mobile push, or in-app notifications.

Hard45 minQuestion #126
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Daily Challenge 326 - Design an Event-Driven Notification Hub | WinJob | WinJob