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4,008 desenvolvedor fullstack interview questions shared by candidates

1) asked me the promise -> said wrong 2) asked me about event loop -> said correctly 3) micro-task queue vs callback queue -> said correctly 4) asked me to do the easy coding I did the 2 loops instead of one loop (did intentionally to do naive, better and optimised) interviewer didn't liked it 5) asked about react life cycles -> said correctly 6) asked custom hooks -> didn't said 7) asked web pack -> didn't said 8) asked performance optimisations with hooks(said correctly) -> said 9) asked about useCallback hook -> said
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Fullstack Developer

Interviewed at Grid Dynamics

3.7★
Mar 18, 2025

1) asked me the promise -> said wrong 2) asked me about event loop -> said correctly 3) micro-task queue vs callback queue -> said correctly 4) asked me to do the easy coding I did the 2 loops instead of one loop (did intentionally to do naive, better and optimised) interviewer didn't liked it 5) asked about react life cycles -> said correctly 6) asked custom hooks -> didn't said 7) asked web pack -> didn't said 8) asked performance optimisations with hooks(said correctly) -> said 9) asked about useCallback hook -> said

Read in a CSV file. Return some aggregated totals based on that sheet. Frontend: some lame unique question on a very specific scenario that they obvious have come across and if you don't answer that to the T...you're out even after all the setup, all the stuff you did during the interview, doesn't matter if at the end you can't answer the very specific use case.
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Senior FullStack Engineer

Interviewed at dv01

4.7★
Jan 11, 2021

Read in a CSV file. Return some aggregated totals based on that sheet. Frontend: some lame unique question on a very specific scenario that they obvious have come across and if you don't answer that to the T...you're out even after all the setup, all the stuff you did during the interview, doesn't matter if at the end you can't answer the very specific use case.

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