Hello guys, if you are preparing for a Software Engineer interview then you may know how difficult it is to prepare for System Design given its open-ended nature. In the Software Engineering world, if you are applying for a Senior Engineer / Lead / Architect / or a more senior role, System Design is the most sought-after skill, and hence one of the most important rounds in the whole process. If you mess this up, nothing else would matter. If you get it right though, you’re looking at a raise of at least tens of thousands of dollars annually. So how do you ace your system design round? While there are many great places to learn and prepare for System design interviews like ByteByteGo, Exponent, Bugfree.ai, DesignGurus.io, Exponent, and Educative.io which have very in-depth and comprehensive materials to prepare for System Design interviews, when it comes to affordable courses, there is no place better than Udemy. It has most affordable courses and I am going to share few of them along the way. I have also created this guide where I have shared all essential topics, concepts, and resources you can use to prepare for System Design interviews. But, Before we get into the details though, let’s find out what is a system design interview and What do the interviewers really expect from the candidates? What is Expected from a Candidate during System Design Interviews? The first step to preparing for a System design interview is to understand what is expected from you. Once you know that you can align your preparation strategy to meet those expectations. So here are the key expectations from you on a System design interview:
- You should be able to design a system that satisfies the requirements given to you and scales well, for example, design a vending machine or design a trade position aggregator.
- Your design should be pluggable and not restrict the addition of new features.
- You should be able to compare various alternatives and choose the most optimal one. Things...



