This is my strategy to drive a System Design Interview which helped me crack a bunch of FAANGs. You could try the same! Drive the interview. FRs and NFRs. Clearly call out the Functional and Non-Functional requirements. Capacity Estimation. Plan. HLD. Must Haves. Walkthrough the design.

In the previous note: System Design Interview Tips, I mentioned how to do a conduct system design interview from an interview from the candidate’s perspective. In this note, we will use “Twitter” as an example to walk you through a complete system design interview.

Imagine — You’re in a system design interview and need to pick a database to store, let’s say, order-related data in an e-commerce system. Your data is structured and needs to be consistent, but your query pattern doesn’t match with a standard relational DB’s.

Intuitions about which Design pattern to use based on the input you have providing and the functionality you want. The other day, a friend asked me on how I go about choosing a design pattern in a given scenario, because it was not always very clear.

DB sharding is an important concept in the system design and a topic that is brought up often during interviews. No matter what you are specialized in, front-end, infra, or mobile. This is something worth having a decent understanding.

How tough is it to learn about design pattern, really?

Learn about basics of microservices architecture and considerations before opting for it.

The system design interview provides the key signals that differentiate a tech lead from programmers. Here’s some tips may help you ace it.  Image...

It’s simple, just be humble… well, this might sound like a very simple tip but it seems that not many junior designers know about it.

Template to answer any system design question — Links to all the resources attached.

In this blog, we focus on a step by step approach to solve a system design interview question.