Duolingo Software Engineer interview experience

After I applied online, a recruiter reached out with a coding challenge within about two weeks. The HackerRank-style assessment had two questions and plenty of time to work through them.

The questions weren’t especially challenging; they were designed more to test fundamentals like basic data structures than to trick me with hard algorithms. I remember spending time checking my reasoning and still having slack to refine what I’d written.

I didn’t end up getting an offer, but the experience itself felt smooth and easy to navigate, largely because the recruiter communication was timely and