Five9 Software Engineer interview experience

It started with HR and then I met the hiring manager, and from there the focus stayed on how I’d work with the team and how I understood what the role would actually involve. I remember getting the sense that the interviewers were trying to gauge fit and collaboration as much as raw technical depth.

After the manager conversation, I ran into technical rounds that were still approachable. One technical session was a whiteboard-style problem where we covered a bunch of JavaScript fundamentals—data types, Promises, the event loop, closures—and I also had to build something small in React and