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Staff Software Engineer Interview Questions

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2,609 staff software engineer interview questions shared by candidates

They asked two coding questions with small twists, but overall, they were fairly straightforward: 1. Find the shortest path from source to destination in a non-cyclic graph. 2. Find the number of anagrams in an array of strings.
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Staff Software Engineer

Interviewed at BitGo

4.4★
Jul 29, 2025

They asked two coding questions with small twists, but overall, they were fairly straightforward: 1. Find the shortest path from source to destination in a non-cyclic graph. 2. Find the number of anagrams in an array of strings.

=== TECHNICAL === • I was asked to implement JSON.Stringify. (ehem, ehem, creativity and novelty in the problem to ask!) • I finish that with unit tests in half an hour which later I found was working way better than all the version I could find online in random people's public github accounts. • The interviewer asked me to support recursive loops in Javascript. He didn't even have a working example and it was super-tricky to think about it -- an object having properties to point to the object itself to form a loop of "pointers" in Javascript! I modified my code to cover that too. I tested that and it worked perfect. • And guess what, the feedback (more than a week later) was that there are "some concerns about my Javascript" so they need to have a second phone interview. lol. I could only laugh! I just bailed out and canceled it. Enough is enough.
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Senior/Staff Software Engineer

Interviewed at Lyft

3.8★
Nov 29, 2017

=== TECHNICAL === • I was asked to implement JSON.Stringify. (ehem, ehem, creativity and novelty in the problem to ask!) • I finish that with unit tests in half an hour which later I found was working way better than all the version I could find online in random people's public github accounts. • The interviewer asked me to support recursive loops in Javascript. He didn't even have a working example and it was super-tricky to think about it -- an object having properties to point to the object itself to form a loop of "pointers" in Javascript! I modified my code to cover that too. I tested that and it worked perfect. • And guess what, the feedback (more than a week later) was that there are "some concerns about my Javascript" so they need to have a second phone interview. lol. I could only laugh! I just bailed out and canceled it. Enough is enough.

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