Adyen Software Engineer interview experience

The test involved Hackerrank hardish questions, including an in-memory caching task where the question itself felt vague and the provided materials didn’t match what I’d expect in a real Java architecture conversation. I remember spending a lot of time just trying to fully interpret what was being asked.

After the assessment, I moved into an in-person interview loop where the interviewer(s) looked very nonchalant. The topics stayed practical and puzzle-like: I was asked about scenarios like unreachable warehouses and also worked through a LeetCode-style tree diameter problem. There was an