Pubmatic Software Engineer interview experience

I went through three rounds plus an in-person component, so it ended up being four total segments. The first one was pretty straightforward: an easy DSA question using a two-pointer style approach, plus discussion about my projects and experience.

The second round was the one that felt tense and technical at the same time. I worked on a RAG implementation and had to solve a DSA question that involved a sliding-window approach, including something like implementing a text splitter concept using a framework similar to LangChain. The interviewer struggled to keep the question clearly framed and