Intern applicants have rated the interview process at IBM with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 71.4% positive. This is according to Glassdoor user ratings.
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I applied online. The process took 1 day. I interviewed at IBM (Winchester, Angleterre) in Jan 2010
Interview
You got taken around their winchester location and sat down first thing for a mathematical test to ensure you didn't cheat on the online test. After that, you have lunch and you have two interviews in the afternoon, one technical interview and one with HR. You also get thrown in a group and asked to solve an issue to see how you fare in group work.
Interview questions [1]
Question 1
When we were thrown in a group we needed to work out a problem. To do this we all sat around and looked at it individually opposed to properly working as a group.