Skip to contentSkip to footer

Fullstack Developer Interview Questions

Salaries
Interviews

4,003 fullstack developer 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
avatar

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.
avatar

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.

Viewing 1671 - 1680 interview questions

Glassdoor has 4,003 interview questions and reports from Fullstack developer interviews. Prepare for your interview. Get hired. Love your job.