The interview process involved an hour-long technical interview, followed by a six-hour on-site interview. This included a session with a senior engineer, a two-hour programming exercise on a laptop, an hour for lunch, an hour with the hiring manager, and an hour with two junior developers. The questions primarily focused on data structures and algorithms, with some SQL components. The staff were courteous, although the questions felt somewhat artificial. For instance, a grid path question was posed incorrectly (which I later verified), and the junior developers struggled to articulate the exact problems they were asking for solutions to.

I did not receive an offer. The position was actually a step down for me, moving into development, so my on-the-spot whiteboard coding may not have met their expectations. It appears I'll need to take my years of experience designing enterprise-level software elsewhere. Additionally, I hadn't actively job searched in a long time, so my preparation was not complete.

The number of paths in an m x n grid to a given cell?

(After looking it up, I noticed the interviewer actually asked the question incorrectly).

So, always ask for more details if things are unclear.