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      Full Stack Developer Interview

      21 Dec 2023
      Anonymous interview candidate
      Hyderābād
      No offer
      Negative experience
      Difficult interview

      Application

      I applied through a recruiter. The process took 1 week. I interviewed at PalTech (Hyderābād) in Nov 2023

      Interview

      The entire process seemed skewed. I had told the HR about my existing offers (Mid 20sLPA with 4.5 YOE) and she might have propagated that information to Interviewing panels. They were hell-bent on making this interview process as hard as possible for me. Round 1, Virtual Interview. The interviewer came late, about 15 minutes, and the discussion continued for about 50 minutes after that. There was a general discussion on current project and projects I had worked on. Post that there was a discussion on .Net core, SQL and Angular. We moved on to general questions. 1. async await question, how much time it will take the code to execute. (Answered) 2. Question which can be solved with the last step of merge sort. (Answered) 3. Question where we have to return K largest terms in an array. Solved with selection sort method. 4. Flattening the JSON. (Answered) The call ended. I called HR a couple of hours later and she told me I had to come to the office for the next rounds of interviews but the first round wasn't over yet and the interviewer would like to ask a couple more questions. (50 minutes of the interview wasn't enough apparently) I went to the office the next week. 1. Round 1 Remastered: I meet the same guy again, and he asks me a bunch of questions related to .Net, browsers, Angular, etc. New questions again: 1. Change "Hello World" to "olleH dlroW" without for loop or anything, use javascript inbuilt functions, split(),map().reverse().join etc etc. 2. Merge the array inside the objects, Idk why I couldn't answer this, felt nervous, The funny thing is, he gave it a shot too, even he couldn't do it. 3. Asks me to fetch object data from an array in a MongoDB document using projection. I had done this before but I didn't remember the exact syntax. Somewhere in between I said .Net is single-threaded, The interviewer asks, are you sure? I said I'm, by default, it is single threaded but you can use multithreading using libraries, just like Nodejs's libuv library, He discards this statement by saying Nodejs multithreading is bad. Lol wut? This went on a for while, and the interview ended in an hour. So that's 2 hours of interview for 1st round. Round 2. Here comes the big bad. This guy was hell-bent on ripping me apart. It felt like my salary would be deducted from his salary. No answer was satisfactory to him, we discussed everything. Everything that is there in my resume, that is not there in my resume. 1. We talked about ORM in .NET Core, I told him I have used Dapper, asks me if we change things in dapper will it change in the Database? I said no, he asked how we could do that. Lol wut again? Why would you want to do that to begin with? What about transactions that we apply on stored procedures? 2. Asked about pipes in angular, I told him, asks me how to create custom pipes, I don't remember but this takes 2 minutes to google. 3. Asks me about functions and scalability, I said it's serverless and can be increased depending on the requirement, Nope, not good enough of an answer. 4. Asked me where my current project is deployed, answered, somehow started asking on Kubernetes, lol wut again? Not applying for a DevOps position sir. 5. Query Optimization, told him everything there is, indexes, joins, query plans, profiler, debugging etc. Nope not good enough. 6. Indexes: Told him clustered, unclustered, columnspace, multi-column, etc. He did some back questioning on this but I answered everything. 7. Asked me about domain and Ip mapping, Lol wut again? This guy wanted me to replace his entire IT team single-handedly, Maybe that's what they're paying their entire IT team combined. Then why waste my time, to begin with? 8. Asked about Pub/Sub implementation in my project, service implementation, why this? that? Nothing I could say satisfy this person. 9. Questions on Desgin Patterns, felt like he wanted me to name all the Creation, Structural and Behavioural design pattern and explain it. 10. Dependency injection, Singleton, Scope Transcient, etc. 11. Elastic search was mentioned in the project he asked about it. I told him we fetch and send data via rest in it. Nope not good enough for him. 12. Asked about Redis, I told him all the redis functions I used, get, set, hmget, hmset, range, sadd, etc etc. Told him about the implement for getFromSourceOrCache, asked me for formal name for this method, So the implementation explanation isnt good enough. The jargon term for it is equally important. I felt defeated towards the end of the interview. I refuse to believe every person employed there knows the answer to all the questions I faced. If you're here looking for interview questions, just run. Run.

      Interview questions [6]

      Question 1

      1. async await question, how much time it will take the code to execute.
      Answer question

      Question 2

      2. Question which can be solved with the last step of merge sort.
      Answer question

      Question 3

      3. Question where we have to return K largest terms in an array. Solved with selection sort method.
      Answer question

      Question 4

      4. Flattening the JSON. 4. {a:1, b:{c:2}} should give 'a:1' 'b.c:2'
      Answer question

      Question 5

      5.Change "Hello World" to "olleH dlroW" without for loop or anything, use javascript inbuilt functions
      Answer question

      Question 6

      6. Merge the array inside the objects,
      Answer question
      6