Senior Staff Engineer Interview Questions

698 senior staff engineer interview questions shared by candidates

Task 1: finish building out a CRUD+ type of service with some provided partial template files - using a very outdated framework version!! plus some (common) libraries not even mentioned in the original job description...
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Senior Staff Software Engineer

Interviewed at BNSF Railway

2.9
May 29, 2025

Task 1: finish building out a CRUD+ type of service with some provided partial template files - using a very outdated framework version!! plus some (common) libraries not even mentioned in the original job description...

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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