Support questions were taken from real cases they've handled. I've seen most of the issues before, and was able to answer them immediately, others I had to google but quickly understood how to reply.
Software Maintenance Engineer Interview Questions
20 software maintenance engineer interview questions shared by candidates
Write down on a piece of paper a class architecture and implementation of Matrix, ArrayMatrix when the point is that there may be several types of implementations of Matrix as a 2-dimensional array and you need to implement a method to sum 2 matrices of the same kind and same dimensions. Other implementations may be by using Sets, List, Arrays but you do not have to implement them just know that they may exist...
What was the best mistake you've ever made? What haven't we asked you in this interview that you wish we had?
How long have you been working as a web developer?
Can you debug QuickBASIC v3.5 code? (This was 1991. The application was 750,000+ lines of 64k modules of QB.)
What experience level do you have in Landscape Maintenance?
They have asked to perform live troubleshooting while on a remote session
Tell me about a time you went above and beyond for a client.
Implement JMS producer and consumer
Geo-wide monitoring.
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