Node.JS Mock Interview | Interview Questions for Senior Node.JS Developers

The fourth chapter of the Turing Mock Interview series takes a look at what a technical interview on Node.JS looks like. Watch the video to learn more about the important questions that get asked in a Node.JS interview, brush up the core concepts before the D-Day and prepare well for your next Node.JS interview.

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[zakk]

Inteviewer: Jose Introducction 0:14
Interviewed: Victor Salute 0:46

Initial Experience question 0:54
"could you please introduce yourself and tell me a little bit about your experience, your past project and what kind of language/framework have you been working with and then I can take from there"

Initial Experience and Introduction (Victor) answer 1:06 - 2:05

2:22 - "which tech (backend, frontend, python, reactjs, nodejs) do you prefer?"
3:25 - "describe the best project(s) you have been working on"

Node JS Questions 5:08

5:24 - "node.js is single thread or multi thread application ?" (topics: EventLoop)
6:13 - "how can we make node.js simulate muti-threading?"
7:00 - "have you ever heard about V8 Engine?"
7:12 - "why nodeJS use V8?"
8:22 - "what is the event loop?"
9:45 - "what do you understand about callbacks?"
10:20 - "have you ever heard about callback hell?"
11:13 - "what kind of framework have been using with nodejs"
11:40 - "what's the difference between Express.Js and NestJS"
12:50 - "what is dependency injection"
13:53 - "what do you understand about Streaming"
14:50 - "what do you understand about EventEmitter"
15:50 - "what is the difference between Event Emitters and publisher and subscriber design pattern "
17:14 - "what databases are you familiar with"
18:00 - "in your understanding, what's the difference between mongodb and postgres"

16:15 - "questions related to sql and no-sql databases will be asked at the end"
19:24 - "do you have any experience with WebSockets"
19:42 - "what's the difference bettween one that use WebSockets to communicate with the backend, and one application that use RESTful API to do the same?
20:44 "do you have experience with graphQL? and What is it?"

Touring Message to Developers: 22:27

23:33 - "How do you keep yourself up to date with nodejs? (skills improvement)"

🙃 and at the end there was no questions about sql/non-sql

[rasfuranku]

If you are studying for interviews, a good exercise is to try to answer the questions first, then check the whole video and take notes, whereas you might need to make some improvements.

[tkchannel]

Very nice, seeing an interview like this helps with nervousness before having a real one

[onepetercollins]

Thanks for this highly informative mock interview, I'm a front end developer and I work with React, Vue, Nextjs and Nuxtjs primarily. I would like to see a mock interview for front end developers soon.

[aolowude]

This was a great interview and lovely answers Victor. Thanks for sharing!

[sadafkhan]

Victor and Jose did a great job . Highly informative I enjoyed it and I am taking notes from your mock interview. Thanks

[ahmedmansour]

Great one I'm preparing currently for an interview and these topics helping me alot, thanks

[txlbnrf]

This is quiet informative and gives a great heads up before any Node Interview thanks for the interview guys...

[johnpaullagda]

hope i have the same confidence as victor, woooo kudos to you victor,

[jeandedieuamani]

I really enjoyed watching these serires, there are very informative.

[BhagyashriTamrakar]

Interviewer: Jose
Interviewee: Victor Salute

This was the best interview and provided me with valuable knowledge. The interviewer displayed amazing patience, showing deep knowledge akin to an ocean. The interviewee's way of answering was absolutely remarkable.

Thank you very much!

[asnandoful]

Good interview, this will help me prepare for my interview. I am waiting for my job discussion call after passing all turing test and live coding challenge.

[ojiamboivangsp]

Kudos to Victor 🎉, He was quite knowledgeable with the domain

[tonienguix]

thanks for the mock interview, very enlightening and useful for preparing future real interviews

[akinpeluabiodun]

This help alot... Please, can Victor list the medium channels or others to get daily update on Nodejs as a stack. Thank you @Turing

[asiulokanancy]

Hello Turing, I am Nancy from Nigeria. I have experience in JavaScript (NodeJs) developer.

[dragonborn]

Wow, did Victor prepare for these questions beforehand? He is able to answer each one smoothly and hardly pauses to think for any question before answering. If this is truly not scripted, then I have to say - Victor did a incredible job

[pranaytejachethireddy]

Thanks for the valuable information . 🙏

[edgarmlowe]

I real enjoyed this mock interview and I have learned alot! I would like to suggest Laravel mock interview!

[erez]

Jose looks like a young Tommy Lee Jones. Professional Interview, and professional candidate.