I applied through a recruiter. The process took 2 days. I interviewed at Oliver Wyman (London, England) in Jan 2019
Interview
Online algorithms coding question - relatively simple, questions on complexity. Slightly messy attitude in that they used an ad-hoc code sharing platform requiring some user set up and got configuration. No video.
On-site coding interview. (Interacting with online API. Unsupervised. ) This was OK, these interviewers had better people skills too!
Technical interview. Very much a compsci knowledge test - so much so that I’d almost say don’t bother without a computer science degree. Three interviewers. Fairly disorganised as members weren’t sure whether they had similar question sheets, who was going to ask what next.
Final interview with management. This one was actively hostile. Bizarrely focussed on the problems of a previous company on my CV rather than the positive changes I’d applied to a poor situation. Did not leave a good impression of the company.
No feedback afterwards. General impression was a fairly arrogant company, although mixed members.
I applied through an employee referral. I interviewed at Oliver Wyman in Mar 2022
Interview
The interview process starts with an HR screening via phone call. Was asked why I was seeking other opportunities and why Oliver Wyman. This phone screening was followed by a 1-hr case + fit interview. I was informed that a successful interview would be followed by another 2-3 rounds of interviews, which sadly didn't materialize in my case.
During the HR screening, I asked about the type of engagements OW has in the engineering front and was surprised (and found it odd esp for a consulting firm of OW's caliber ) to hear that the person at the other end didn't have much clue about it and was asked to ask the question during the technical interview.
I applied online. The process took 1 day. I interviewed at Oliver Wyman (London, England) in Apr 2018
Interview
Face to face for an hour, technical questions around java and payment systems, business knowledge around money transfer
describe pros and cons of a built in data structure like ArrayList
drawing architecture of a payment system etc
felt over-qualified