Adyen Software Engineer interview experience

After an initial HR screen, I was given a HackerRank-style assessment: coding problems with a tight timebox and a couple of algorithmic challenges. For me, one problem leaned into graph logic, and I had to work through the thought process to explain it clearly.

Once I passed enough to progress, the technical interview phase focused on reviewing my HackerRank solution. I had to talk through my approach and how I would optimize or clean up the code, and it felt like the interviewers wanted evidence that I truly understood why the solution worked—not just that it ran. That was followed by