Duolingo Software Engineer interview experience

I started with an online CodeSignal assessment and then moved into a short behavioral screen that mostly focused on how I worked and handled team situations. On a separate run through the process, I again saw that the coding assessment could be relatively manageable—focused on a subset of questions, with themes like basic graph traversals and string/array manipulation rather than anything wildly complex—and the behavioral part was brief.

Then I hit a tougher interview round that felt less about problem difficulty and more about how nerves can derail execution. There was an HR-style chat and