Staff Software Engineer Interview Questions

2,548 staff software engineer interview questions shared by candidates

Tell me about a project where there was ambiguity. Really probing for a project that was directly related to working on the product. I think to see whether or not I was capable of taking on a role of product manager as well as being an engineer.
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Staff Software Engineer

Interviewed at Ashby

4.6
Jun 6, 2025

Tell me about a project where there was ambiguity. Really probing for a project that was directly related to working on the product. I think to see whether or not I was capable of taking on a role of product manager as well as being an engineer.

1. Take home Codility assessment 2. Take home, front-end focused Codility assignment. It wasn't too hard at all. 3. Behavioral interview with another staff engineer. 4. Two part interview, one where they asked a LeetCode style algorithm question and another a frontend focused system design question.
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Staff Software Engineer

Interviewed at Facet

3.6
Aug 2, 2023

1. Take home Codility assessment 2. Take home, front-end focused Codility assignment. It wasn't too hard at all. 3. Behavioral interview with another staff engineer. 4. Two part interview, one where they asked a LeetCode style algorithm question and another a frontend focused system design question.

1) LRU cache 2) Design a system to collect event logs, requiring all logs from the same client should be persistent in the same cluster and no data skew issue at the same time 3) Two events will be sent out from client, one will have deviceId and location information, the other one will have fdqn, timeStamp, deviceId. Collect those two events and present to a FE dashboard. 4) two sum and 3 sum 5) check a valid number from leetcode
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Senior Staff Software Engineer

Interviewed at Infoblox

4.3
Dec 22, 2023

1) LRU cache 2) Design a system to collect event logs, requiring all logs from the same client should be persistent in the same cluster and no data skew issue at the same time 3) Two events will be sent out from client, one will have deviceId and location information, the other one will have fdqn, timeStamp, deviceId. Collect those two events and present to a FE dashboard. 4) two sum and 3 sum 5) check a valid number from leetcode

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