Intercontinental Exchange interview questions

Nice and better way of management to deal three rounds interview which tells how difficult to get it and very delighted to crack it good to be part of such interviews.

Applied by the consulting firm. Interview scheduled in next week . 1 hr interview with Director mix of java & Data Structure & algo. Not sure but something was missing in interview. I am not able to impress him. Reason was not the technical expertise. not sure what was the expectation