Two sessions.
First, a team of around 15 people was formed to solve a puzzle. Each person had a couple of cards.
Two IBM representatives watched us as we tried to solve the puzzle.
Second session: logic/reasoning questions.
At the end, they selected only two people. It seems they selected the two most vocal individuals from the first session.
No questions, just the sessions.
The following metrics were computed from 15 interview experiences for the IBM Software Engineer role in London, United Kingdom.
IBM's interview process for their Software Engineer roles in London, the United Kingdom is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for IBM's Software Engineer interview process in London, United Kingdom.