Ecolab Software Engineer interview experience

I was told the process could involve four rounds using a specific tool, starting with screening and knowledge checks, then moving into an architecture-style technical round. After that came a managerial round and then a final HR round.

Even with all those stages, the pace was surprisingly manageable. I got through it in roughly a week or two, and the interviews themselves felt informal enough that I didn’t feel like I was being cornered. Across rounds, they asked straightforward questions and weren’t trying to “trap” me; instead, they seemed more interested in my personality and how I think