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Live Nodejs Interview.
what are the question asked in Nodejs Interview for senior developer/team leads?
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If anyone wants questions asked in the interview.
How node process model works and
is different compared to other technologies like .net or
python PHP java etc
1) what are basic things which is different in node that makes
node faster to other tech
2.runs on single thread
3.internally uses lib UV library
4.explains event loop
5.Company names which uses Node and why do they use it
6) since node is a sync how to execute code synchronously
7.callback
8.async await
9. promises
10. async await vs promises
11.module named a sync
12) what is a sync.series and a sync.parallel
13) difference between promise.all and promise.settled promise.any
14) what are global s provided by node
15.example: window, process, etc
16) how to check if all the N.P.m packages we are using are safe to use or not
17) how do you debug
18) express look back sequel
19) how routing mechanism works in express
20) Middle wares in express
21) can we use middle-ware in response? scenarios?
22) Event driven development for ex: event emitter etc
23) How do you deal with exceptions
not try catch but unhanded exceptions etc
we log those exception to log file ( this are catch-able exceptions)
24) API development using other method except get and post
25) difference between N.P.M vs yarn
26) what is package.JSON file and all the sections under it
27) How node process will detect whether this is DEV
environment or prod environment and it should use DEV dependency or not
28) while selecting node version there is L.T.S what does L.T.S stand for
( it is most stable version )
29) How you deal with localization in node ? localization with different language
30) Sub processes in node
eg: You need to run binary from the server get o/p of that binary and
31. use it in my node process
32) how do you authenticate and authorize the request
33 when it is made from front end to backed ?
34 (J.W.T token)
33) different token mechanisms
34) what type of info does J.W.T token contain
35. what encryption algorithm it is using to encrypt data
front end
36) what features did you find in angular/react that attracted you to the technology
37) difference between prod build and Dev build
38) if there is error in prod environment build ( front end ) where errors are displayed
39) Life cycles in angular / react
DB
39) Table storage engines in MySQL
40) Indexing
41) Stored procedures in MySQL
NO SQL
42) Join two tables in MongoDB
43) what is mongoose and benefits of mongoose
44) difference between mongoose and MongoDB
45) aggregate functions in MongoDB
46) 2D indexes and partial indexes in MongoDB
47) what is docker and Kubernetes
benefits / how it works etc.
48) what is SVN and git and in git why we use branches
49) undo code pushed in branch which is initiated from master branch
it should be initiated from development branch
50) what is cherry picking, re-base, stashing etc in git
51) what is Agile methodology
#nodejs
#experiencedeveloper
#Interview
#node
#node.js
#software
#engineer
#question
#git
#nodejs
#angularjs
#javascript
#TCS
#CTS
#IBM
#WIPRO
#INFOSYS
#GATEWAY GROUP
#MICROSOFT
#NAGARRO
#ORACLE
#DELL
#CISCO
#MPHASIS
#TREDENCE
#ZEBRA
#REDISYS
#DKATALIS
#HAUSEN
#angularjs
#angular

[@shivamsingh-uz7zp]

I watched your video when i was unemployed and watching now when i have 2.5 year of experience

[@TechFirdous]

thanks

[@subhasis_on_wheels]

Thank you for posting this video. This video shows us that even an experienced lead can get nervous and make some minor mistakes or forget some trivial stuff during an interview. So there is no reason to panic if something like that happens to us during an interview as its very human natural.

[@TechFirdous]

Correct bro

[@adewolekazeemadebayo5946]

well done Technophile, to be honest, this video will help a whole lot of developers out there, i had an interview on nodejs today, and i was asked almost this type of questions ranging from node, database architecture, microservices, data structures, devops especially docker, version control like git, it was a 50 minutes fully technical interview. i wish i had seen this video earlier enough, i could have performed better. thanks Technophile for making this interview public, you will surely be an hero to a lot of developers out there

[@TechFirdous]

Thanks for you complement 😀😀😉😉😉😉

[@tishbataj7098]

[@testdevops1459]

Very Informative Interview for nodejs

[@TechFirdous]

Thanks

[@rajatsharma6137]

You deserve a medal for this content! This is so useful I can't thank you enough...Please make more videos...django, microservices preferably..

[@TechFirdous]

Thanks, will do!

[@angelleal3005]

This was great ! I'm preparing for an interview and this will definitely help. Lots of topics that I wouldn't know how to explain even when I use them on a daily basis. Thanks a lot !

[@TechFirdous]

Thanks buddy
Do subscribe my channel if you like my videos

[@tishbataj7098]

Extremely helpful for Nodejs Interview

[@TechFirdous]

Thanks

[@RdozeTV]

I like the interviewee he's smart, he just nervous. I still preferred this type of personality being humble

[@TechFirdous]

Thank you everyone for watching this video
This video got more than 10000 views
My video got more than 1500 plus hours watching and more than 300s person subscribe my channel through this video and it increasing every hours
Thanks everyone
Thanks for your love and thanks to be my youtube family.
Please subscribe my channel

[@ankushpandit007]

Thanks for such videos bro,
Keep it up,
Coz of your interview session,
I got offer from many big companies,
Whatever questions you put in your description..it's like pet questions of every interviewer 😂
Thanks buddy

[@TechFirdous]

Thanks buddy
😀👍🙃😉

[@abhisarikasingh7003]

Very helpful video never seen such a content on other's channel it's really awesome.....

[@TechFirdous]

Thanks abhisarika
Please subscribe my channel if you like my video

[@mohd0606]

This is really a blasting video. Thank you @firdaus.
The interviewer is so calm and knowledgeable

[@TechFirdous]

Thanks Aliyan

[@farhakhan9285]

Best Video Ever for Node JS Interview Preparation

[@TechFirdous]

Thanks

[@amitanup1985]

God bless you sir! These type of videos are very helpful 🙏

[@TechFirdous]

Thanks amit

[@aaibaba994]

Nice sir keep it up

[@TechFirdous]

Thanks aai Baba
Please subscribe my channel if ut help you in anyway

[@dmkjava]

Really good and useful one

[@TechFirdous]

Thanks muruli
SUBSCRIBE MY CHANNEL IF YOU LIKE MY VIDEOS

[@kapilpandit3908]

Amazing Discussion...👌🏻

[@TechFirdous]

Thanks kapil if you like this discussion please subscribe my channel

[@vhemachandra]

Thaks for this video. Awesome

[@TechFirdous]

Thanks Hema
Please subscribe my channel if you like my video

[@vinaysharma9160]

Nice help, simple question but some time difficult to answers. Really appreciated it.

[@vinaysharma9160]

Please share company name if possible

[@TechFirdous]

Company name was gateways group

[@TechFirdous]

Please check video description for sample question.

[@testdevops1459]

Very nice and Informative Interview for nodejs

[@TechFirdous]

Thanks buddy

[@guptapandiri]

Great Job Firdous, this is a great interview and it's really helpful. Takes a lot of courage :)

[@TechFirdous]

Thanks buddy for your appreciation
Do subscribe subscribe my channel if you like my videos

[@mohd0606]

After 2 years this is a gem

[@TechFirdous]

Thanks

[@naziralam7789]

Very nice

[@TechFirdous]

Thanks

[@vaibhavshelar2217]

👌

[@TechFirdous]

Thanks
Do subscribe my channel if you like my videos

[@akashshrestha01]

great

[@TechFirdous]

Thanks Akash
Please subscribe my channel if you like this video

[@atulrathoreji]

Very good questions for lead position. But I didn't expect IBM guys not having much knowledge of those items. Good questions..!!

[@TechFirdous]

Correct
You may say
I would underprepare theoretically
Since designation was nodejs team leads
But they ask from every place of development
Due to this interview
It help me a lot to prepare for further interview
Do subscribe my channel if you like my videos

[@atulrathoreji]

Hi @@TechFirdous
I Understand.
Thanks for sharing this interview with us, really It also helps us to prepare a lot of the questions and areas for a Lead role position.
I hope you will share more interviews with us. :)
Whenever I get a chance then attempt interviews, but that all are video communication (Zoom, Meet, Teams, Skype), so could not get a chance to record them all.

[@RaviKumar-11]

Thank you for sharing

[@TechFirdous]

You are welcome ravi kumar
Please subscribe my channel if you like my video

[@siddheshsawant1826]

Thank you sir, need more such interview related content 😃

[@TechFirdous]

You are welcome siddhesh
Please subscribe my channel if you like my videos

[@hakimbencella4242]

Thanks for sharing 🙏🙏

[@TechFirdous]

welcome bro

[@RajSekharK]

Thanks for sharing this interview. It really helped me a lot.

[@TechFirdous]

Glad it was helpful!

[@vrj93]

Very helpful, thanks...

[@TechFirdous]

You're welcome!

[@skillbridgeIndia]

Nice Reply Brother.. Congrats

[@TechFirdous]

Thank you soo much

[@skillbridgeIndia]

@@TechFirdous Welcome. Please upload also coding classes upon Node js in youtube. It will be very helpful for us.

[@TechFirdous]

Yes ravi by watching response i got
Lots of people are subscribing my channel.
I will definitely add tutorial videos
Of technology which i know in future
Like
Spring boot
Nodejs
Angular
Etc

[@93dssagar]

Can't thank enough. 👍🔥

[@TechFirdous]

Thanks sagar

[@aabbaayy]

💎❤‍🔥

[@priyankarpaul1311]

Very helpful 👍🏼

[@TechFirdous]

Thanks priyank

[@gourabbanerjee7498]

If we are not accessing response from middleware express tell me how you are setting the status code as 200. We all are using req and res both also next

[@TechFirdous]

correct

[@AshutoshKumar-kt1dd]

Thank you so much, this will really be helpful in interview preparation.

[@TechFirdous]

Thanks Ashutosh
Do subscribe my channel if you like my videos

[@AshutoshKumar-kt1dd]

@@TechFirdous Done bro

[@mdtajuddin8696]

It will help Us for Our Interview

[@TechFirdous]

Thanks a lot

[@gouravsaini306]

very helpful. Please make some more videos

[@TechFirdous]

Thanks gourav
Do subscribe my channel if you like my videos

[@bibhasash7371]

Thanks for the videl

[@TechFirdous]

Welcome buddy

[@hareef.eee7783]

What about other topics interviewer only asking node js question tell me

[@Aditya-uk1bv]

Such a nice interviewer.

[@TechFirdous]

Thanks @aditya

[@AnshulJain-sj1lu]

Hello Brother, liked your video
just a suggestion please organize your playlists, your interview playlist contains unnecessary videos which do not belong there like tcs first day, and others keep that playlist only for interviews and organize other playlists also.

[@TechFirdous]

Great suggestions @Anshul
I am not a professional in this case
But learning from people like you.
Thanks for posting this
And thanks for watching my videos
And absorbing this think soo deeply.
Due to people's like you my subscriber count almost touch 500 within 35 days and got more than 1600 hrs watch time.
Mean due to this responsibility increase unto me to provide best of my knowledge to you all.
Thanks for the suggestions
Will definitely apply your suggestions.

[@AnshulJain-sj1lu]

@@TechFirdous bhai divide you videos in different categories like interview (in this actual interviews), interview experience (where you share your experience and thought), also be straight forward with your video titles
Also is description share if you cleared that interview or not and any other details

[@TechFirdous]

Ok bhai

[@TechFirdous]

Please share my video and subscribe my channel if you can

[@princebhatia09]

Thank you sir

[@TechFirdous]

Welcome bhatia
Please subscribe my channel if you like my video

[@gouravsaini306]

Thanks bro

[@TechFirdous]

Welcome BRO

[@Beny123]

This is a very detailed interview . Is this a common thing where you are from ?

[@TechFirdous]

Yes
This interview was very detailed one.
Actually in some mid level company or product base company they take interview like this so that they will get a developer who can do all development phase work

[@kkunal45]

Node js is synchronous to make it asynchronous callback and promise is used

[@TechFirdous]

Correct buddy

[@talharahman3066]

thank you

[@TechFirdous]

Welcome buddy

[@TheDextar]

Loved the interviewer

[@TechFirdous]

Do subscribe my channel if you like my videos

[@AnkushKumar-hh2po]

very good interview i learned some of node js things

[@TechFirdous]

Thanks bro
Please subscribe my channel if you like my video

[@vijayanand.m2974]

Really appreciate it man. Very useful video 🖤. Did you find out what is the default expiration date of a jwt token?

[@TechFirdous]

Yes buddy

[@TechFirdous]

Please subscribe my channel if you like my videos

[@vijayanand.m2974]

@@TechFirdous sure already subscribed ❤️. Then What is default expiration date of jwt token? Can you pls share that

[@TechFirdous]

As per i know
There are no specific default value provided in any jwt npm module
So if we don't provide any expireIn
Then that token will be valid to some finite time
That time differ with different server/os etc

[@pandaabinash99]

24 hours is the default

[@jahiddev]

Overall good interview but I think These are the very basic question for a senior engineer. For example, When the interviewer asked you about middleware they were expecting a more mature answer. Like how it works behind the sense, how it is implemented etc. You gave a junior dev level answer that too incomplete. Another thing I noticed when they asked you about which algorithm used in JWT or how JWT encrypts you totally diverted the question to very basic think like "you can set time" it's not expected from a senior tech lead. You should brush up more on the architectural side. Congratulation if you got the job if not then better luck for next time.

[@TechFirdous]

THANKS FOR YOUR OPINION

[@letsgodevs]

@@TechFirdous Did you pass the interview ?

[@TechFirdous]

Please comment how it the interview for first 25 minutes of this interview.

[@funtoon4138]

Please work more on your basic... because for many basic questions you we're not able to answer

[@TechFirdous]

Thank for suggestions

[@KrishnaDasPC]

@29:30 moongose is schema for mongodb like constraints we use in SQL

[@TechFirdous]

Thanks

[@FrankYupanquiAllcca]

Git rebase, it was took in my interview.

[@brunouemura2792]

Very helpful sir! Was this interview for a Senior level?

[@TechFirdous]

Thanks bruno
Yes indeed it was for technical lead position.

[@TechFirdous]

Please subscribe my channel if you like my video

[@brunouemura2792]

Absolutely!! Thanks for answering and keep up the good work!

[@TechFirdous]

Thanks

[@mehulchattopadhyay6557]

what role was this for? these questions seem more geared towards a junior role and not a lead role, the interviewer asked very basic questions apart from the containerisation part.
No clustering, no caching, no O-Auth.

[@TechFirdous]

This was for nodejs team leads

[@udemycourses4829]

@ Hello Firdous
Can there be a question like what are 2 types of Api's in NodeJS.
Is it a valid question? I believe the question sounds confusing.

[@TechFirdous]

Well you may say yes
They are few case where you need asynchronous execution since you need process to execute in some order
Where in other case execution of processes dont require to run in any order and this way are very fast that earlier
Hence you should know to write both way in nodejs
Most basic issue which any java developer who learn node is
They think code will execute line by line and if there is any db or external api or file read write happen then feel once this process get complete then it will got to next line or process
But as you know this is not the correct think
Hence
Before writing nodejs api you should know this 2 way
Do subscribe my channel if you like my videos

[@udemycourses4829]

@@TechFirdous i do clearly understand the sync and non sync(async) natures which we can accomodate in api' s butif somebody directly states pls explain 2 types of node api's. It can be restful and soapful as well. So they shud ask on what basis u want the categories of node apis . Then only the question becomes clear . Isnt it?

[@MrKittu171]

Questions were great but the answers could have been better. Try getting people from product based companies with more exposure to development tasks to answer your questions.

[@TechFirdous]

Correct brother 🤔🤔🤔🤔🤔

[@suryarajendran4524]

Thank you 😊❤️ sir

[@TechFirdous]

You are welcome Surya

[@suryarajendran4524]

@@TechFirdous today i attended nodejs experience (2) interview ..helped lot...lovu u sir💓💞

[@TechFirdous]

Do subscribe my channel if you like my videos

[@vishalsutar9799]

09:02 interviewer asked global module like console.log we don’t need to import this from anywhere it’s global module

[@TechFirdous]

great and thanks for listening

[@edgyie]

I enjoyed the video,very informative for a lot of people. However I found it very basic really. From a 8 year experienced the expectation was more. The answers were mostly basic and had no depth. :) but loved it.

[@TechFirdous]

Thanks buddy

[@Swastikbackbencher]

I am a DevOps Engineer now, want to switch to API development kind of work.... Please suggest how I can..

[@TechFirdous]

Learning

[@artecinearte]

could you please activate auto generate subtitles ? thank you very much

[@TechFirdous]

Thanks for the suggestions

[@artecinearte]

@@TechFirdous thanks you for this valuable content

[@dhirajnivalkar]

Please add more nodejs interviews

[@TechFirdous]

There are few more
Please check my interview playlists
And please subscribe my channel for more videos

[@TechFirdous]

ruclips.net/video/27GBj7inTP4/видео.html

[@shaikzubair4827]

Pls tell me the.how much year of experience in nodejs technology..

[@TechFirdous]

4 years

[@TechFirdous]

Please subscribe my channel if you like my video

[@motivationsucess2597]

Tomorrow is my node js interview at fragma

[@TechFirdous]

Best of luck. Buddy

[@krishnakumar6667]

Just curious have you cleared this round?

[@TechFirdous]

Yes krishna
But during salary negotiable it didn't work

[@krishnakumar6667]

@@TechFirdous I am having an interview now 😅 🤞🏻

[@TechFirdous]

Best of luck

[@himanshubendale7320]

4:37 asyn and sync

[@TechFirdous]

Right

[@hardikpatel2578]

How many years of experience you have ?

[@TechFirdous]

8 years

[@fazlulmohideen8783]

Good interview, but the interviewer should've replied to the answers that Firdous was unable to answer.

[@TechFirdous]

Thanks fazlul

[@mohd0606]

Please ask your queries. I can help you with that.

[@hareef.eee7783]

I'm preparing for node js interviews what about other topics.. Not asking aa...

[@TechFirdous]

My role was nodejs leads
Thats why they asked questions mainly from nodejs
But if you check the whole interview your will find the interviewer asked around 60 questions.
From different technologies

[@TechFirdous]

Please subscribe my channel if you like my videos

[@hareef.eee7783]

I have 2.4 year's of experience in node js... Interviewer only asking related my experience questions..r Interviewer asking react nd angular... Topics

[@TechFirdous]

Yes
Based on the job profile and requirements
They will asked questions from react or angular.
But if you give interview for backend developer they will only asked questions from node.

[@ArjunSingh-oo1mh]

Please take my interview, I can give answer of all these questions with a good examples.

[@TechFirdous]

Okh bro
When i will start the live session will contact you
Share your email id

[@VishalPatel-fy8ch]

As SSE in node I know all this answer.

[@TechFirdous]

thanks

[@TechFirdous]

Please comment regarding this interview whether it helps you or not for your interview preparation.

[@raja4148]

This will help a lot, keep posting like this

[@TechFirdous]

Thanks ET World Due to people like you support i am uploading my journey experience of my interview of atleast 10 MNC's whose interview i had given.
i would request you to please subscribe my Channel and watch my other videos.

[@suryarajendran4524]

It gives clarification and confidence

[@jaibhatt1569]

JWT don't get invalidated if the server crashes.

[@TechFirdous]

Thanks jai for your answer

[@jaibhatt1569]

@@TechFirdous Thanks to you as well. I saw your video a couple days back and two questions from your interview were asked in mine as well. Thanks to you I was able to crack that one. Great job !

[@hrishikeshethape3960]

first thing first is he passed the interview.

[@TechFirdous]

Yup

[@yupsoo]

Assuming you are Most senior developer in IBM
IBM is screwed

[@TechFirdous]

🤔🤔🤔😀😀😀

[@deepaktv8280]

Which place?

[@TechFirdous]

Smart group
Please subscribe my channel if you like my videos

[@mohammedsaif5971]

Is it Lowe's

[@TechFirdous]

What can't get you

[@TechFirdous]

It was for gateways group

[@vishwanathnijampurkar9862]

did you select ?

[@TechFirdous]

I would say no
my notice period and salary expectation was high for them
please subscribe my channel if you like this video's

[@HelpMeDIY]

I assume you did not get that job after those answers?

[@TechFirdous]

Correct bro
😀😀😀😀

[@TechFirdous]

Hi @wang do you know how much to charge for integration video sponsorship
As i see you got quite good numbers of subscriber
Can you tell a number which i should ask per video

[@TechFirdous]

Hi do you know how much to charge for integration video sponsorship
As i see you got quite good numbers of subscriber
Can you tell a number which i should ask per video

[@mayanks633]

Bhai,
If you want i can several tips with you. I think there is alot of chance of your improvement both technically and behaviorally.

[@TechFirdous]

Please do it
I always look for improvement

[@iamsahilsuman6872]

after how many rounds did he not pass the interview

[@TechFirdous]

😋😋😋😄😄

[@funkizer]

Lololz

[@TechFirdous]

what need to improve can you please explain.
it would be helpful for me in future

[@imsiddhants_official]

Rejected by me.

[@TechFirdous]

correct bro

[@JaisAbhay]

Very basic and common questions but not nicely answered or explained.. And I'm shocked it was for a lead position

[@TechFirdous]

yup
everybody need improvement
and this kind of interview are eye opener
please record your interview too if you can you may also get similar result in first time

[@mehulchattopadhyay6557]

Exactly Abhay, i thought this was for a junior role.

[@xtree2817]

You have so much experience. Why are you so nervous?

[@TechFirdous]

It was my first interview after many years buddy

[@xtree2817]

@@TechFirdous did you get selected?

[@TechFirdous]

They didn't able to fullfill my salary expectations so i said no to them

[@subrahmanyashetty3294]

Very nice. Did you get selected?

[@TechFirdous]

What do you feel after whatching the interview

[@subrahmanyashetty3294]

@@TechFirdous I think yes

[@TechFirdous]

Actually it salary did not meet my expectations.
So i didn't accept salary from hr.
Actually i was expecting higher salary which they couldn't effort

[@TechFirdous]

Hence did not got selected
If you like this video please subscribe my channel

[@shaikzubair4827]

As a 3 years experience..how much I expect

[@jasper5016]

1st answer was pretty bad. I have not heard after that. Hard to believe that this guy is a Tech Lead in IBM.

[@TechFirdous]

Correct bro

[@sanashaikh3238]

Debugging 11:20

[@TechFirdous]

thanks

[@aymaanvlogs2973]

bhai aapki linkedin peofile

[@TechFirdous]

Firdous.alam2058

[@awwwkshay]

Which company ?

[@TechFirdous]

Forgot company name
I think interviewer mentioned his company name
Do subscribe my channel if you like my videos

[@madbeats5711]

Did he got selected?

[@TechFirdous]

no

[@trucheitor]

I had a hard time to understand the interviewer.

[@TechFirdous]

😀😀🤔🤔🤔😀🤔

[@bashiryousufy1]

Did he get hired?

[@TechFirdous]

no

[@bashiryousufy1]

Ok thanks

[@dhavald4359]

It is boring.

[@TechFirdous]

But its the original interview
And most of the time interview are not funny 😂😂😂😂

[@surajsingh3434]

Maja nhi aaya

[@TechFirdous]

Mujhe bhi 😀😀😀😀