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4,347 principal engineer interview questions shared by candidates

The nature of the interviewing process is that of seeking out where the limits of a candidate are, so the most difficult question will vary. Answer confidently when you know, and be honest when you reach your limits. For example, it's been awhile for me since my interview here, but I think the tougher questions had to do with memory management - particularly as it came to lists and heaps and the implementation, sorting, and traversal of linked lists. As a non-developer this was pushing around the edges, especially when it came to actually sketching it out. I have the concept, but making working code on the fly is another story. But it only went that far I think because I'd answered the prior questions in this area.
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Principal Client Support Engineer

Interviewed at SparkPost

4★
Mar 14, 2013

The nature of the interviewing process is that of seeking out where the limits of a candidate are, so the most difficult question will vary. Answer confidently when you know, and be honest when you reach your limits. For example, it's been awhile for me since my interview here, but I think the tougher questions had to do with memory management - particularly as it came to lists and heaps and the implementation, sorting, and traversal of linked lists. As a non-developer this was pushing around the edges, especially when it came to actually sketching it out. I have the concept, but making working code on the fly is another story. But it only went that far I think because I'd answered the prior questions in this area.

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