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System Design Interview
Fahim Avatar

Hi I’m Fahim

As a software engineer at Meta and Microsoft, I helped develop cloud-scale distributed systems, including Azure and Facebook storage.

In my 20+ years in tech, I have also personally led hundreds of System Design Interviews.

These are the resources I wish I could have given to candidates to guide them through the interview process.

The best part — it’s all 100% free.

I hope you find this handbook useful. Good luck with your interviews!

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The System Design Handbook

  • End-to-end System Design Interview mastery
  • FAANG-approved best practices
  • Real-world case studies & practice questions
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System Design Handbook

Why are System Design Interviews such a big deal?

This might be controversial, but here it goes: System Design Interviews aren’t just a hoop to jump through.

They actually really matter. Here’s why

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System Design Interviews test your real-world problem-solving skills.

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Ability to reason through trade-off
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Your ability to reason through trade-offs is a huge predictor of on-the-job success.

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There’s a reason why every top company today (especially FAANG) has a System Design loop of some kind. Trust me, it pays to be prepared.

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Because they are so open-ended, SDI loops can be tricky for even the best software engineers.

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There a way through
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But luckily there’s a way through.

Learn what interviewers are actually looking for

Get the offer

Demonstrate hireable skills and navigate your interview loops with confidence.

Avoid getting down-leveled

Maximize your comp package by getting hired at a higher starting level and salary.

Set yourself up for success

Learn System Design skills that will serve you for the rest of your career.

Hey.

Here’s a free System Design Handbook that you might find useful.

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System Design Building Blocks

More free System Design Interview guides

Pinterest System Design Interview: The Complete Guide

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LinkedIn System Design Interview: A Comprehensive Guide

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JP Morgan System Design Interview: A Comprehensive Guide

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Snowflake System Design interview: A Complete Guide

If you’re preparing for a Snowflake system design interview, you’re stepping into one of the most specialized and high-impact areas of modern system architecture: designing at the intersection of cloud...
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Airbnb System Design Interview: A Comprehensive Guide

The Airbnb system design interview is one of the most interesting and challenging rounds you’ll face as a software engineering candidate. Unlike a pure coding challenge that focuses on algorithms...
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PayPal System Design Interview: The Complete Guide 

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