IBM Software Engineer interview questions

I applied for an entry-level position through a referral. I was a new grad at the time. Had a phone call with the hiring manager and then a second, more technical call with him and two leads. This was back before virtual interviews became the norm. No on-site.

The first step was a technical interview that used an online coding platform. There were three questions, each more challenging and complex than the one before it. You had to get the solution correct and get it within a certain execution time.