WhatsApp System Design Explained |Complete Architecture & Components |Backend Interview Preparation

In this video, we design WhatsApp from scratch and explain all important components used in a real-world messaging application. Full Video Series:    • 50 Backend Concepts | Challenge Series   Topics Covered ✅ Functional Requirements ✅ Non-Functional Requirements ✅ High-Level Design (HLD) ✅ User Authentication ✅ Message Flow ✅ One-to-One Chat Architecture ✅ Group Chat Design ✅ WebSocket Connections ✅ Message Queue (Kafka) ✅ Load Balancer ✅ API Gateway ✅ Database Design ✅ Caching with Redis ✅ Online Presence ✅ Read Receipts ✅ Media Storage ✅ Scalability ✅ Fault Tolerance ✅ Message Delivery ✅ Components Used in WhatsApp ✅ System Design Interview Preparation Spring AI Complete Series:    • Spring AI Tutorials   Source Code: https://github.com/LearnCodeWithDurge... Complete NextJs Series:    • NextJS Tutorial with Project  in Hindi   Premium Course Library: https://courses.learncodewithdurgesh.... React JS Course : https://courses.learncodewithdurgesh.... Master Spring Boot Course : https://courses.learncodewithdurgesh.... Telegram Link for Doubt: https://t.me/learncodewithdurgesh Important Videos: ➡️React JS with Project :    • 🔥 🔥 Complete React Js with Project tutoria...   ➡️Learn JDBC in one video:   • JDBC Crash Course in 1 hour | HINDI   ➡️Learn Python in One Video:    • Learn Python in One Video | HINDI |   ➡️Learn HTML in one video:   • Jquery in one video in hindi   ➡️Learn HTML form in one video:    • Jquery in one video in hindi   ➡️Learn JavaScript in one videos:    • Learn JavaScript  in One Video | Hindi   ➡️Learn Form Validation using javascript and jquery:   • Form Validation using JQuery | JavaScript ...   ➡️Learn CSS in one video:    • Jquery in one video in hindi   ➡️Jquery in one video:   • Jquery in one video in hindi   Kotlin is one video:   • Kotlin | Learn Kotlin in one video hindi   ➡️Complete Python Project - Youtube downloader in one video:    • Jquery in one video in hindi   Important Playlist: ➡️Spring Boot Tutorial with Project :    • Spring Boot Tutorial in Hindi   ➡️Spring MVC Tutorial:    • Spring MVC Tutorial Step by Step [Hindi]   ➡️Complete Spring Framework Tutorial:    • Spring Framework Tutorial in Hindi   ➡️Hibernate Tutorials:    • Hibernate Tutorial for beginners in hindi   ➡️E-Commerce Project using Java:    • E-Commerce Project using Java in HINDI   ➡️AWS Free Java Hosting Playlist:    • AWS Hosting Tutorial | Deploying Java Appl...   ➡️Hibernate Tutorial Playlist:    • Hibernate Tutorial for beginners in hindi   ➡️Learn Technology in One Vides:    • Learn in one video : Crash Courses   ➡️Programming Tips for Programmers:    • Coding Tips and Discussion   ➡️Complete Python for Beginners:    • Complete Python Tutorial for beginners : H...   ➡️Important Python Projects:    • Python Projects in Hindi   ➡️Complete Servlet & JSP :    • Servlet and Jsp (Server Side Programming i...   ➡️Complete JDBC ( Java Database Connectivity) :    • JDBC(Java Database Connectivity)   ➡️Complete Java Project : TechBlog:    • Full  Java Advance Project - Technical Blog   ➡️Java Swing Projects:    • Java Projects for beginners in hindi   ➡️Java Core Concepts:   • Java Core Tutorial   ➡️Kya aap Jante hai Series:    • kya app jante hai :  series   Important Links: 👉Official Website (Source Code): https://learncodewithdurgesh.com/ 👉Telegram Discussion Group: https://t.me/learncodewithdurgesh 👉Follow me on Instagram:   / durgesh_k_t   👉Follow on Facebook   / learncodewithdurgesh   Disclaimer: All videos are for educational purposes and use them wisely. Any video may have a slight mistake, please take decisions based on your research. This video is not forcing anything on you.