I applied through an employee referral. I interviewed at Phenom (Hyderābād)
Interview
There was three round. First and second round was related to DSA, ML and resume.
In DSA the asked problem related to strings.
In ML they checked breath knowledge of ML along with statistics.
They do ask some puzzle problem as well.
Third round was related to behavioural round.
Interview questions [1]
Question 1
From resume they asked one end to the end ML problem which you have worked in detail.
There were 3 rounds :
Round 1 :
DSA round, I was asked 2 questions. One was an array question based on sliding window, maybe the maximum sum. Finished both the questions in 30mins, got a positive review from the interviewer.
Round 2 :
DSA + Tech round, was asked the spiral matrix traversal question. Finished in 15-20mins. Afterwards was asked a designing question on how I would design an online game with mongo and scale it up to 1 lakh users. I remember necessity of a read only copy, not much post that.
Round 3 :
Director round. Had a HR sorta interaction, asked to implement a complete OS in any language of my choice and handle all the locks and races and other conditions.
Interview questions [1]
Question 1
Asked to design an online game platform backend, that would be scalable upto 1lakh concurrent users.
