Two Sigma Software Engineer interview experience

The first one was the easier LeetCode-style problem, and the second was a more involved pathfinding task. It took longer than I expected because the second question required careful graph-style thinking, even though nothing felt conceptually alien.

After that, I moved into three technical interviews. The first interview was another grid traversal challenge, then I got a graph reduction problem, and the third interview was yet another graph traversal. It was consistent in the sense that the themes kept circling back around traversals and graph transformations, but each round felt like it