Inter 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 4 weeks. I interviewed at IBM (Research Triangle Park, NC) in Nov 2012
Interview
It was a direct on-site interview without any initial phone contact. They send me two exercises in which I can choose to solve and present on site two weeks later. The on site interview lasted for a day because they mixed us with full time job seekers
Interview questions [1]
Question 1
The interview question was predefined (problem-solving exercises) so that there was no surprise at the interview.