May 8, 2022 6:00 PM PDT


This document summarizes a mock system design interview focused on a notification system. The interview assessed the candidate's ability to design a scalable and reliable notification service capable of handling a high volume of notifications across various devices.

Interview Details
Requirements
Functional Requirements
Non-Functional Requirements
System Design Discussion
External APIs
Optimization for 10M Users
Data Loss Prevention
Handling Large Scale Data
Notification Volume Calculation
User Preferences and Acknowledgments
Tracking Illegal Emails
Third-Party Authorization
Further Improvements
Feedback
Interviewer Feedback
Interviewee Feedback
Technical Insights

This summary encapsulates the key points discussed during the interview, focusing on the technical aspects of designing a robust notification system.