Complete System Design Roadmap 2025 | HLD & LLD by Shradha Ma'am
Apna College
@apnacollegeofficialAbout
I'm Shradha, Ex-Microsoft Software Engineer, DRDO. My journey started from a small village of Haryana, in college I learned coding and got 2 internships at Microsoft, work for DRDO, invited for Google SPS and a Full Time Offer from Microsoft. I believe that skills are more important today and want to help students to learn & crack their dream companies ❤️ So, I left my Microsoft Job and started to teach students. I love my students and I love sharing my learnings. To Chalo Phodte hain! Feel free to contact Shradha Didi for Seminars, Hackathons & Collaborations at the given email id below.
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Share your progress on Twitter : https://x.com/ShradhaKhapra_ Want to study for Tech Placements/Internships from us : Our Latest Placement Batches : https://linktr.ee/apnacollege.in DSA Series full playlist : https://www.youtube.com/playlist?list=PLfqMhTWNBTe137I_EPQd34TsgV6IO55pt Shradha Khapra Ma'am community Instagram : https://www.instagram.com/shradhakhapra LinkedIn : https://www.linkedin.com/in/shradha-khapra/ 00:00 - Introduction 00:32 - What is System Design? 01:12 - High Level Design 01:36 - Low Level Design 02:35 - Detailed discussion on HLD 04:19 - Basic Fundamentals 05:56 - Databases 06:43 - Consistency & Availability 08:16 - Cache 09:30 - Networking 10:03 - Load Balancers 10:27 - Message Queues 11:08 - Monoliths vs. Microservices 11:55 - Monitoring and Logging 12:44 - Security 13:07 - System Design Tradeoffs 15:39 - Netflix (an example of HLD) 16:53 - Detailed discussion on LLD 16:58 - OOPS Concepts 17:16 - Design Patterns 17:34 - Concurrency and thread safety 17:56 - UML Diagrams 18:20 - APIs 18:46 - Common LLD Problems
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