Groupon Frontend Engineer interview experience

I had three rounds scheduled back-to-back: first a technical discussion, then a behavioral round with multiple interviewers, and then another behavioral-plus-technical conversation with my future manager.

Across the technical parts, the focus leaned heavily on core engineering skills like data structures and algorithms, with additional general technical questions mixed in. One of the conversations also included a DSA problem. On the more difficult end, there were signals that they were probing beyond surface-level coding—things like low-level and high-level design thinking, database design