System Design Simplified

An A-Z video course on system design patterns and best practices. This course ranges from basic concepts like routing, load balancing and caching to advanced concepts like concurrency, separation of concerns, and design.

instructor

Gaurav Sen

Ex Software Engineer @ Uber, Directi

4.61 (18752)
30278+ Students
Last updated on 10/2026

System Design Simplified

4.61 (18752)
30278+ Students
Last updated on 10/2026

What will you learn?

Learn system design fundamentals: eventual consistency, routing, caching, etc.

Design large-scale distributed systems with microservices.

Convert requirements into high-level system designs.

Identify and address design tradeoffs and single points of failure.

Learn the internals of large-scale distributed systems like Facebook Memcached and Google Zanzibar.

Learn how an app is scaled from 1 to 1M users, using system design concepts.

Course Content

1. Basics

2 Chapters
12 Videos
12 Free Previews

How do I use this course?

1 Video
1 Free Preview
What do we offer?
03:14 min

Building an Ecommerce App: 1 to 1M

11 Videos
11 Free Previews

2. Concepts

10 Chapters
64 Videos
12 Quiz
9 Resources
2 Design questions
42 Free Previews

1. Databases Deep Dive

5 Videos
5 Free Previews

2. Consistency in Distributed Systems

12 Videos
2 Quiz
8 Free Previews

3. Caches Deep Dive

5 Videos
2 Quiz
8 Free Previews

4. Networks Deep Dive

9 Videos
4 Quiz
15 Free Previews

5. Database Replication and Migration

6 Videos

6. Security in distributed systems

6 Videos
1 Quiz

7. Observability in Distributed Systems

6 Videos

8. Distributed Consensus with Paxos

5 Videos

9. Distributed Rate Limiting

2 Videos
2 Quiz

10. System Design Tradeoffs

8 Videos
1 Quiz
6 Free Previews

3. Interview Questions

8 Chapters
46 Videos
18 Quiz
31 Resources
8 Design questions

1. Design an Emailing service like Gmail

6 Videos
5 Quiz

4. Chess Design: Building a highly scalable turn-based gaming website

5 Videos
3 Quiz

5. Hotstar: Live Video Streaming Design

4 Videos
2 Quiz

6. Google Docs: Collaborative editor design

9 Videos
1 Quiz

7. Design a Cab Aggregator App like Uber

5 Videos
1 Quiz

8. Design a Location Based Service like Google Maps

7 Videos
1 Quiz

9. WhatsApp Calling App

5 Videos
2 Quiz

10. Recommendation Engine Design

5 Videos
3 Quiz

4. Case Studies

8 Chapters
29 Videos
5 Resources
2 Free Previews

1. Scaling Memcached at Facebook

4 Videos

2. Google's Authorization Service

4 Videos

3. Timeseries Databases: Gorilla and Monarch

13 Videos

4. TAO - An in-memory graph database by Meta

3 Videos
2 Free Previews

5. Google Dremel - Interactive Analytics

1 Video

6. Apache Kafka - Feb 2025

1 Video

7. Apache Spark

1 Video

8. Milvus DB

2 Videos

Meet Your Instructor

instructor-img

Gaurav Sen

Ex Software Engineer @ Uber, Directi

Gaurav Sen is the founder of InterviewReady. He has expertise in distributed systems from working at Uber and Directi. He has also spoken about distributed systems at the University of Houston-Texas, IIT Gandhinagar, and BITS Hyderabad. Gaurav's YouTube channel on system design has over 500k followers.

Used By Engineers Worldwide

Helped me improve my engineering skills and think of the bigger picture. Maybe keep the pdfs of all chapters at the beginning?

Bhavya Ratra
Bhavya RatraSoftware Engineer at Airboxr

I like to revise the InterviewReady course every week. I maybe addicted now!

Himanshu Sawarkar
Himanshu SawarkarTechnical Lead at Infinite Computer Solutions

Overall, an informative course with interesting topics and in-depth explanation in a short amount of time.

Shalin Shah
Shalin ShahSoftware Engineer at Grab, Singapore

There is a good list of content that is easy to understand and well-explained.

Raj Kumar Maurya
Raj Kumar MauryaFull Stack Developer

The videos were really helpful to understand not just the basics but the complicated system design architectures also.

Devashish Nyati
Devashish NyatiSoftware Engineer at Google

Doing this course helped me increase my knowledge related to how systems really work and make them more efficient. With this course I cracked ServiceNow!

Varun Manchandani
Varun ManchandaniSoftware Engineer at ServiceNow

Frequently Asked Questions

Everything you need to know about the product and billing.

Who is this course for?

What is covered in this course?

What is the duration of the course?

Why System design?

Do I need to know how to code?

Will I get a certificate after completing the course?

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