KAYAK Frontend Engineer interview experience

I was asked to go deep on topics like singletons, dependency injection, and Big O—object-oriented design pattern territory that didn’t align with my background.

I tried to explain that my career had been mostly functional programming with React, and I hadn’t worked in the OOP patterns they were probing. The reaction was noticeably skeptical, like I’d said something completely off the mark for the role. By the middle of the discussion, I found myself wondering whether I had misunderstood what position I was interviewing for or whether the interviewer had leaned too hard on a generic interview