Groupon Software Engineer interview experience

I had to implement an algorithm-style problem on there, in a custom variation, and the process emphasized finishing the full implementation and then discussing how I’d optimize it. There was also a SQL/database angle toward the end—so it wasn’t purely “code only.”

Next came a long in-person block with multiple rounds that felt intentionally layered. There was a bar-raiser style conversation that centered on thinking and fit based on my background, with deep dives into what I’d worked on. Alongside that, I had a coding round with both CoderPad and whiteboard elements and even a lunch-included