I completed their HackerRank challenge and was invited onsite.

Before the onsite, I asked in an email about the interview process and was told the morning sessions would be technical. It turned out to be more than seven rounds of interviews throughout the day.

At some point, I asked my interviewer in the afternoon, "How many more rounds?" because, at some point, you are just very tired mentally. My interviewer seemed to have no idea and told me to wait in the room and see if anyone else would come in.

One would think that after seven rounds of interviews, if they weren't interested, they would either email or call. But none of that happened.

Last time I interviewed was 2014. Maybe 2017 was one of those years where companies like Blackrock didn't bother to talk to candidates they no longer wanted?

It's just very unfortunate. They give you an info session about the company and say that their CEO/leadership feels everyone should know a little about finance or the business. During my seven rounds of interviews, no interviewer spent even one minute talking about the business.

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