ACI Worldwide Software Engineer interview experience

The first round was purely technical and covered core Java along with a discussion of the payment domain, and I had that conversation with two interviewers. The second round took a more managerial angle, focusing on the software development lifecycle and the processes I’d followed so far. The last round was HR and centered on a personal introduction.

What surprised me was how clearly each stage had a different purpose—debugging my ability to explain technical fundamentals, then shifting to how I’d operated in a team and how I handled process. There was also an element where the technical