Varroc Group Software Engineer interview experience

We went through small-signal modeling and basic digital control loop concepts, so it wasn’t just conceptual; it required me to think in terms of how control behaves.

The interviewer was friendly, and that helped, but the topic depth still made the difficulty feel difficult. What caught my attention was how much the conversation centered on an isolated DC-DC converter, as if they were tightening in on one representative problem rather than staying broad.

I didn’t get an offer. The part I’ll remember most is that even with a friendly interviewer, the subject matter moved fast from control