After a short phone screen, I had four hours of interviewing. The interviewers wanted to see if we could work well together. Other companies wanted me to prove that I was good enough to work there.

The difference: Guidewire respects its candidates. Interviews focused on writing clean, maintainable code, communication, and problem decomposition.

Other companies tested me on trivia or implementing algorithms that I doubt someone in the position in question would need to implement. In addition to being smart, Guidewire wants to know the quality of the code you produce and what it would be like to work with you to solve problems.

This told me that I'd like working with others at Guidewire, and I was right.

Detecting if periods of time intersect.

Iterator or iterators.