Sr Staff Software Engineer Interview Questions

Senior Staff Software Engineer

Interviewed at Motorola Solutions

4.2★

Oct 7, 2015

WPF architecture question.

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Task 1: finish building out a CRUD+ type of service with some provided partial template files - using a very outdated framework version!!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...

Sr/Staff Infrastructure Software Engineer

Interviewed at BNSF Railway

2.9★

Nov 27, 2025

Create a key/value pair "database" (get/set/count) which also supports transactions (begin/commit/rollback).

Senior Staff Software Engineer/Software Architect

Interviewed at Edelman Financial Engines

3.3★

Jul 17, 2014

None - Most my interviewers were old enough to be in Computer Science History Museum. The most difficult question was "Build a linked list without using Java list"

Sr Staff Software Engineer

Interviewed at Doctolib

3.7★

Nov 27, 2023

How would you design a complex platform that can handle massive traffic?

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

Senior Staff Software Engineer

Interviewed at Visa Inc.

3.8★

Jun 6, 2015

singly linked list in C#, design patterns, SQL

Senior Staff Software Engineer

Interviewed at Visa Inc.

3.8★

Jan 22, 2016

Every person will ask you one question for sure - Why Visa?

Senior Software/Staff Engineer

Interviewed at ServiceNow

4.1★

Jun 20, 2018

Store and retrieve a top priority task one by one with O(1). Some detailed questioning around this. Implement LRU cache with O(1). Some design related questions.

Senior/Staff Software Engineer

Interviewed at OneSignal

4.1★

Jun 10, 2025

In memory DB, guess Pokemon React, Chat sever, system design, values/pm