Infosys DSE Interview Experience 2021
I got a PPI interview opportunity for the role of Digital Specialist Engineer after clearing the first round of HackWithInfy 2021. The first round was held on 7th May, 2021 and consisted of 3 questions- 1 Easy, 1 Medium and 1 Hard. I was able to solve one question completely and passed 14% testcases of another question in this round. My interview was scheduled for 30th June, 2021. I was informed 4 days before, about the 40-minute interview.
Interviewer: Introduce Yourself.
Interviewer: He asked me about ReactJS since I had it in my resume.
Me: I told him what all I have done till now in ReactJS.
Interviewer: Then he asked me a puzzle which was to find the next number in this series: 80 10 70 15 60. He gave me 2 minutes for it.
Me: I wasn’t able to solve it. Though, the answer for the readers: 20
Interviewer: He asked me about a project from my Resume.
Interviewer: Suppose you have to create an E-Commerce website, what all authorization techniques and validation methods will you use for the Login System? How will you design it? I was given 3-4 minutes for it.
Me: I told him about the Google OAuth authorization and some validations for the password security.
Interviewer: Tell me your favourite subjects from 1st Semester till now which you have studied.
Me: DSA, DBMS, OS.
Interviewer: Where do you see yourself in 5 years?
Interviewer: What all sorting techniques do you know? Write the code for your favourite sorting technique. ( I had to open the IDE on my laptop for it).
Me: Bubble sort, Selection Sort, Insertion Sort, Heap Sort, Quick Sort, Merge Sort, Radix Sort, Bucket Sort.
Interviewer: Write down the Fibonacci Series.
Interviewer: If you have to choose between doing a job at Infosys or going for Higher Studies, what will you choose?
Me: Job at Infosys.
Interviewer: Any questions for me?
Me: I asked him about his experience at Infosys which he went on to answer for almost 5 minutes.