Live DemoAdvanced3 hours
Design a Notification System
Design a multi-channel notification system handling email, SMS, push, and in-app notifications with delivery guarantees.
Part of System Design (Week 7)
What You'll Build
A system design for a notification platform with priority queues, template management, delivery tracking, retry logic, rate limiting, and user preference management.
Tools Used
Message QueueRedisPostgreSQLWorker Pools
Skills Practiced
Event-driven architectureMessage queuesDelivery guaranteesRate limiting
Prerequisites
- URL shortener design lab
- Message queue concepts
Why This Matters in Real Jobs
Notification systems are asked in senior engineer interviews because they test event-driven thinking, queue management, and handling failures at scale.
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This lab is part of the System Design course. Enrol to get access to all labs, projects, and career support.