System design interviews form an integral part of the interview process for senior positions at reputed FAANG companies. As these tech giants are focused on designing applications for their wide consumer base, they are particularly demanding while selecting their software engineers, software developers, and coding engineers. If you wish to be a part of the Big Five, we are here to help you get started.
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System design interviews have a lot of weightage in the entire interview process, so it is important to prepare for them before appearing for any FAANG company interviews. System design interview preparation can be divided into the following key points:
1. System Design Interview Preparation Books
Books are an ocean of resources. These books provide dense knowledge and are generally less preferred. However, if you find reading and highlighting important points more effective than watching course videos, then here are some books that might come in handy while preparing for system design interviews:
2. Refer to System Design Articles and Videos
There are plenty of interview articles and videos on the internet for aspiring software engineers, coding engineers, and tech leads to refer to while preparing for the technical interview. Articles and videos provide concise information unlike the books and hence is sometimes more preferred.
3. Interview Prep Courses
Acing FAANG interviews is difficult, and the process becomes unbearable if one enters the interview arena with no prior knowledge about the process. There are plenty of interview prep courses available to choose from. Interview Kickstart has courses specifically targeting job profiles at FAANG companies. To know more, Sign up for our FREE Webinar.
4. Mock Interviews
Mock interviews are proven to be one of the most successful strategies to crack any interview. Mock interviews conducted by hiring managers of the concerned company can give the applicant a brief insight into the process, types of questions asked, and more.
For software engineers, software developers, and tech geniuses who are confused about how to prepare for a system design interview, here is one of the many suggestions any expert in the field would give: to practice sample questions. Here are a set of few sample system design interview questions and their sample answers:
1. What metrics should be used for monitoring a system’s performance?
Sample Answer: The three commonly used metrics to assess a system’s performance are Latency, Availability, and Throughput. An important feature of these metrics is that they allow the system designer to understand the user’s experience while using a particular system. Each of the metrics focuses on individual properties like latency is related to the speed at which a particular message is delivered, availability is referred to how often a system responds to the user’s input, and lastly, throughput helps in understanding the amount of data traveled to the user.
2. How would you add micro-services to an already existing E-commerce platform?
Sample Answer: Micro-services can be added by interconnecting platform APIs throughout a distributed system.
3. What is load balancing, and state its importance in system design?
Sample Answer: Load balancing helps improve the quality of a system design and hence is an essential process. The purpose is to allocate tasks across computing nodes to ensure the system’s proper functionality. The two important load balancers are L4 and L7.
While practicing, it is important to follow a framework or a pattern of solving. This will help you solve even unseen questions at the time of the interview. You can use the following approach:
System Design interview questions are broad, open-ended, and have multiple correct answers. Some examples of questions asked during the system design Interview are:
How to prepare for a system design interview? How to clear coding interviews? What is the interview prep guide for system design? How to ace the coding interview system design? These are some questions that cloud an individual’s judgment while appearing for the position of software developer, software engineer, coding engineer, or tech lead. We at Interview Kickstart are here to help you prepare for your next technical interview.
To get placed as a system engineer at one of the reputed FAANG companies, one needs a reliable guide and a well-planned schedule. Interview Kickstart is here to smoothen this tough path of achieving your dream job. We have wide knowledge and understanding of the nitty-gritty of finding a job.
Since its inception in 2014, Interview Kickstart has helped thousands of engineers achieve their dreams. With our exclusive courses, we empower engineers to get better acquainted with the intricacies of their chosen field and provide them with the right guidance to clear tech interviews at reputed companies. At Interview Kickstart, we have courses that holistically prepare you for an interview.
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1. System design interviews are a part of which company’s interview process?
System design interview is a crucial round for all senior-level positions. Here are some of the companies and the roles for which system design interview is a must:
2. What is the average salary earned by a software engineer in the United States?
$101,575 is an average software engineer’s salary. This amount is not just restricted to reputed tech giants but all tech companies in the US. Read Google Software Engineer Salary and Facebook Software Engineer Salary to learn more about software engineer salaries at FAANG.
3. What are the fundamental system design concepts that one should not miss?
Before the interview, brush up on fundamental concepts like databases, load balancing, latency, throughput, availability, sharding, and caching. For a comprehensive list of topics, check out the Technical Interview Checklist.