Key concepts to know

A concise overview of essential system design concepts required for mastery before the interview.

How to approach the question
Steps you need to follow to design the system considering the time constraint.

A sample system design question

We use 'Designing Instagram' as an example of a system design interview question.

Common mistakes
​​​​​​​We discuss common mistakes that candidates often make during interviews and how to avoid them.

How to prepare
We talk about how to prepare for a system design interview.