Slack Data Engineer interview questions

It was in SF, a day long. Could have done it better. Answered all the questions but I did not get the offer due to negative feedback in couple of rounds.

Interview involved a take home exercise. The exercise was interesting and allows the candidate the showcase skills relevant to the interview. I was invited on-site after this step. The on-site interview is in line with what they describe on the website. In my opinion, the interview went quite well. One of the interviewers was trying to guide me towards a specific response, though their expectations were unclear. Overall, the interview went quite well, however, I was notified that there wouldn't be an offer.