System Design Full Course - 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/0029Va6H0tbHVvTbcuT99Y1f Code and Notes: Github : https://github.com/adityatandon15/LLD Connect with Aditya Tandon Instagram : https://www.instagram.com/adityatandon2 LinkedIn : https://www.linkedin.com/in/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