PTC·Software Engineer

PTC Software Engineer interview experience

Got offer

Hard

Positive

PunePosted Jun 2025 · Candidate report, summarized by Dataford

My interview involved two rounds that both leaned into deep Java/C++-adjacent object thinking and design concepts.

In the first round, I was asked to build my own string class and implement string functions like strlen, and then I had to discuss differences between a linked list and a vector in terms of insertion efficiency. After that, we talked about design patterns and I had to explain the singleton pattern. The round ended with questions around a copy constructor.

The difficulty felt difficult overall because it wasn’t just one coding task—it combined custom implementation expectations with conceptual understanding of class behavior and design patterns.

I didn’t get an offer afterward. What was most

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