The ULTIMATE 2026 System Design Interview Study Guide (with an Ex-Meta Engineer)

Join Fahim on this practical walkthrough of System Design essentials, built around concepts and questions that show up frequently in interviews at top companies like Meta, Google, Amazon, and Microsoft.

This study guide video is the perfect complement to Educative’s Complete Guide to System Design (linked below). If you’re preparing for upcoming interviews and want to strengthen your System Design foundation, this video will give you the core frameworks, trade-offs, and real-world examples you need.

Fahim, an ex-Meta engineer turned CEO at Educative.io's, has guided countless engineers through interview prep and technical learning. He approaches System Design from the perspective of both a teacher and an interviewer who knows what companies are really looking for.

Additional Resources:

Full guide: https://www.educative.io/guide/comple...

More interview prep resources: https://www.educative.io/courses/grok...

System Design primer: https://www.educative.io/blog/system-...

Leave a question in the comments or connect with Fahim on LinkedIn:   / fahimulhaq  

Good luck with your prep!

Chapters:

0:00-0:50 Intro
0:51-1:37 Agenda Overview
1:38-2:39 Why learn System Design today?
2:40-7:15 Data Storage Strategies
7:16-14:02 Partitioning & Sharding
14:03-18:31 Redundancy & Replication
18:32-24:56 Load Balancing
24:57-29:43 Caching
29:44-35:32 Content Delivery Network
35:33-37:56 Rate Limiting & Throttle
37:57-41:38 Asynchronous Processing
41:39-48:29 CAP Theorem
48:30-52:45 PACELC Theorem
52:46-55:49 Essential Considerations
55:50-57:19 Functional vs. Non-Functional
57:20-1:00:19 Types of System Design
1:00:20-1:03:01 Interview Framework RESHADED
1:03:02-1:04:12 Next Steps