Senior Full Stack Developer Interview Questions

1,152 senior full stack developer interview questions shared by candidates

You are given a 2D grid of size m x n representing a map where '0' represents land (an island) and '1' represents water. An island is a group of connected '0's horizontally or vertically. You need to write a function that counts the total number of distinct islands in the grid
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Senior Full Stack Developer

Interviewed at Wix

4.1
Jan 22, 2025

You are given a 2D grid of size m x n representing a map where '0' represents land (an island) and '1' represents water. An island is a group of connected '0's horizontally or vertically. You need to write a function that counts the total number of distinct islands in the grid

Modify their template application (they send you a link to the repo) to include an api controller to handle requests where you receive 2 inputs to an api call. An integer that represents a position in a sequence and a string that represents an expected answer. If the position input is divisible by 3 ( )then the expected answer is "foo" If the position input is divisible by 5 (5, 10...) then the expected answer is "bar" If the position input is divisible by both 3 and 5 (i.e. 15, 30 ...)then the expected answer is "foobar" If the expected answer matches the supplied answer then return 200 OK otherwise return 400 badRequest The test must be conducted while they are shoulder surfing and you must do it despite being questioned and corrected the entire way through if they observe that you're not doing it the way they want it written. You are not given any coding style guide. You must guess the correct one. You have 20 minutes to do it.
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Senior Full Stack Developer

Interviewed at PropertyMe

3.8
Oct 28, 2021

Modify their template application (they send you a link to the repo) to include an api controller to handle requests where you receive 2 inputs to an api call. An integer that represents a position in a sequence and a string that represents an expected answer. If the position input is divisible by 3 ( )then the expected answer is "foo" If the position input is divisible by 5 (5, 10...) then the expected answer is "bar" If the position input is divisible by both 3 and 5 (i.e. 15, 30 ...)then the expected answer is "foobar" If the expected answer matches the supplied answer then return 200 OK otherwise return 400 badRequest The test must be conducted while they are shoulder surfing and you must do it despite being questioned and corrected the entire way through if they observe that you're not doing it the way they want it written. You are not given any coding style guide. You must guess the correct one. You have 20 minutes to do it.

During the Zoom interview, they didn't ask a lot of questions. The interviewers were very time-minding and they gave a 2 minutes intro about the company and I gave 3 minutes talk about my technology background. After the live coding session, they asked me how I would have dealt it if I had another chance
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Senior Full Stack Developer

Interviewed at Prospa

4.1
Apr 12, 2021

During the Zoom interview, they didn't ask a lot of questions. The interviewers were very time-minding and they gave a 2 minutes intro about the company and I gave 3 minutes talk about my technology background. After the live coding session, they asked me how I would have dealt it if I had another chance

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