Flipkart | SDE1 Interview | 2021

Role: SDE1
Total exp : 1.7 years
Location: Bengaluru
Total Rounds: 3
Mode: virtual

Round1(1hr : 30mins):
Machine Coding round, had to make a facebook type feed platform, with posts, users, upvotes, downvotes, post ranking, etc, dont remember the whole question.

  • Code should be modular, well-structured.
  • Need to pass certain test cases/ demoable.
    Coded it as a console application using oops concepts, well structued code, passed all test cases, demoed successfully.
    Except exception handling (told left it due to time limit), i had covered all "Expectations" given in their problem doc.

Round2 (1hr):
PSDS(Problem solving and Data Structures round)
Q1: Source to Destn type problem, had to solve it in O(1) space, min time, code the solution.
Q2: Flipkart bidding system type problem, overall i got from problem is, we have a stream of integers coming, in every instant find the winner( having the highest non-repetitive bid/ or highest non-repetitive number) - I solved it with multiple approaches, but later with discussion with intevriewer, solved it using Hashmap amd max-heap.

Actually, I enjoyed this round more, and we were discussing different approaches.
After 2nd round, interviewer said he accepts my solution.

Round3 (1hr):
Hiring manager round.
He explained me about the team, etc, made me feel comfortable.
Discussion on projects, backgorund , etc.
Discussed Producer, Consumer problem in os/system, ways to handle it, code the solution,I discussed my approach, coded it then.
I got positive review of this round, he seemed convinced.

Got update from hr, that my HM round is also positive, and they will be having a de-brief, after that only they can make an offer-call.

Verdict: Rejected (I too could't beleive)
Didn't got any feedback, just rejection email from hiring team.
Atleast a feedback was expected, since I performed well in each rounds, solved problems, discussed thorugh the approach, but no hell of idea why I got rejected.

Although, the interview experience was smooth and fast.

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