Round: 1
In the first round, Online MCQs were based on Core CS Subjects like Computer Networking, DBMS, C Programming, OS, etc, then there was English, Logical Reasoning, Puzzles, and Numerical Aptitude MCQs. The Aptitude questions were basic-medium level, one can easily solve them if they practice the basic questions of each Numerical Aptitude category like Time Series, GCD and LCM, Profit, and Loss, Percentage, etc. There were also 2 basic-medium-level coding questions.
The coding questions carried the maximum weightage, as those who didn’t do well on the MCQ section were also allowed in the next round because they successfully completed both codes and got a 100% score.
Round: 2
The second round was a Technical interview. Those who were qualified from the last round received an email consisting of the joining link for the Virtual Technical Interview. The interview lasted for at least 45 minutes for me. The questions that were asked are given below:
- Introduce yourself.
- Then he asked me to show him my resume. I opened it on my device and shared the screen. He went through that.
- Then he asked me about my projects and told me to explain them, like what my approach was, which Technologies I have used, how that project would be useful if implemented heavily, etc.
- I also had four research papers published in IEEE, he looked interested in those two and said that out of all the candidates he has interviewed today, none of them had anything like that. So he also asked me about the topics of those research works and how they were unique.
- Then he asked me about my preferred language. I said Python.
- He then asked me what the difference was between a Set and a List.
- Then he asked me some OOP-related questions, like what is the difference between Encapsulation and abstraction?
- Then he asked me what is the similarities and differences between Python’s Dictionary and Java’s HashMap.
- Then he asked me
- Then he asked me what is the difference between NoSQL and SQL Databases.
- Then he asked me what I know about Cloud Computing.
- What is Virtualization?
- What are Horizontal Scaling and Vertical Scaling?
- What is the role of a Hypervisor in Cloud Computing?
- Name some renowned cloud service providers.
- Can you explain in brief about IaaS, SaaS, and PaaS?
After the questions and my answers, he looked satisfied and asked me if I have any questions for him. I said no and he said okay you may leave.
Round : 3
After the Technical Interview round, the HR interview was conducted, it was also an online virtual interview. The interview span was hardly 15 minutes, The HR asked me the following questions –
- Introduce yourself
- Where do you see yourself in 10 years?
- Why Persistent?
- What do you know about our company?
- If you have multiple offers which is more attractive than Persistent, would you accept Persistent?
- What are your hobbies?
After that, she asked me if I have any questions for her, I asked how was my interview, in which parts I could improve myself, etc. Then she told me that I can leave.