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Backend Software Engineer Interview Questions

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15,524 backend software engineer interview questions shared by candidates

R1 Project discussion, tech stack used. 1. Given a link list L0,L1,L2,...Ln, rearrange in the fashion : L0,Ln,L1,Ln-1,... 2. Implement a function which will generate unique random integers, there will be 1000 call/sec to that function R2 LLD of a rate limiter, first approach was discussed, pros and cons. Then I wrote classes for token bucket approach. R3 This was with a senior director who had 12+yoe working in start ups, he started asking me questions whether I wanted to work in start up or not, If I am serious about the role. After some nonsense discussion about start up cultures, he asked me to draw system design of my last project in last org to which also he was not satisfied much. Typical director round grinding.
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SDE-2 Backend

Interviewed at Mobikwik

3.1★
Feb 10, 2024

R1 Project discussion, tech stack used. 1. Given a link list L0,L1,L2,...Ln, rearrange in the fashion : L0,Ln,L1,Ln-1,... 2. Implement a function which will generate unique random integers, there will be 1000 call/sec to that function R2 LLD of a rate limiter, first approach was discussed, pros and cons. Then I wrote classes for token bucket approach. R3 This was with a senior director who had 12+yoe working in start ups, he started asking me questions whether I wanted to work in start up or not, If I am serious about the role. After some nonsense discussion about start up cultures, he asked me to draw system design of my last project in last org to which also he was not satisfied much. Typical director round grinding.

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