Скачать или смотреть Build Your Own Notification Engine | System Design

Welcome to Lecture 14 of the Ultimate Low-Level Design (LLD) Series by Coder Army!

Third week for #lowleveldesign #systemdesign #8weeksLLdchallenge.

We are doing 8 weeks challenge and going to complete the whole course within the duration with quality content on Youtube. Let’s learn LLD like never before and attain advance level mastery on this subject.

In this video, we will walk through building a complete Notification System from scratch using Low-Level Design (LLD) principles.

What you’ll learn:

End-to-end architecture of a scalable Notification Engine
Support for multiple notification types: Email, SMS, Push
How to log every notification in real-time
Full support for Decorators, Observers, and Strategy Patterns
UML Class Diagrams to visualize and structure the system
C++ code walkthrough + Java code in Repo for both clarity and practical understanding

Design Patterns Used:

Observer Pattern
Strategy Pattern
Decorator Pattern
Singleton Pattern

Perfect for:

Beginners in System Design
Students preparing for LLD interviews
Developers looking to solidify design pattern concepts in real-world use


Join Coder Army Whatsapp Group: https://whatsapp.com/channel/0029Va6H...
Code and Notes: Github : https://github.com/adityatandon15/LLD

Connect with Aditya Tandon
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LinkedIn :   / adityatandon2  
Twitter : https://x.com/adityatandon02


00:00 Introduction
01:07 Requirements Gathering
03:18 UML Design
24:53 Code for Notification System
37:25 Identifying Problems in Code
37:42 Correcting Tightly coupled Code

#SystemDesign #LowLevelDesign #LLD #NotificationSystem #DesignPatterns #Cplusplus #JavaDevelopers #UMLDiagrams #TechInterviews #SoftwareEngineering #ObserverPattern #StrategyPattern #DecoratorPattern #ObjectOrientedDesign #CodingWithExamples #CodeBetter #8WeeksLLDChallenge