Design a Notification System

Build a notification service: users who turn channels on or off, templates with placeholders, and notifications sent by priority through EMAIL, SMS or PUSH, rendered for the channel and delivered in order. Every rule must hold in any order of calls.

How the round runs

Hard · 5 stages · 5 questions · 60 min

~6 min

Requirements Gathering

lists

~3 min

Identifying Core Entities

cards

~14 min

Designing Classes & Relationships

diagram

~28 min

Code Implementation

code

~9 min

Deep Dives

code

Set up your round

Level

Interviewer

Duration

Junior · Standard · 60 min