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Backend Engineer Interview Crash Course
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Module 9
Applying System Design: Notification Service
API & Data Modeling for Multi-Channel Notifications
Design the API contract and data model for a multi-channel notification system (Push, Email, SMS) that supports user preferences.
2
Designing an Asynchronous Notification System with Message Queues
Architect the asynchronous workflow for the notification system using a message queue to handle fan-out, retries, and ensure reliable delivery.
3
High-Level Architecture: Bottlenecks & Scaling
Sketch the complete high-level architecture, integrating all components, and discuss potential bottlenecks and scaling strategies.
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System Design: The Interview Framework
Next module
Practical Backend Coding Challenges