Palantir technologies Software Engineer interview experience

After that, I had a technical screen focused heavily on working with data: parsing inputs, storing things efficiently, and manipulating the structures to produce the right output.

The technical portion leaned into the mechanics of performance—hash maps and sorting came up in what I had to design and reason through, and I spent a lot of time thinking about how to structure the approach rather than just writing code. I also remember how much the interviewers cared about process: they wanted to see how I thought through tradeoffs and cleaned up the plan as the problem evolved.

I didn’t get an