I applied online. The process took 4 weeks. I interviewed at Ocado Group (Hatfield, East of England, England) in Oct 2015
Interview
Step 1: online test. 3 codility questions, very basic. You should meet the required time and space complexity.
Step 2: paper test. There are 2 tests, one is assembly test and the other is about linked list. No hard but you should finish them very quickly.
Step 3: pair programming interview. It takes 2 to 3 hours and the questions are based on what you did. Then, a team leader will ask you some technical questions.
I applied online. The process took 5 days. I interviewed at Ocado Group (London, England) in Nov 2015
Interview
Get Online test link very fast, just 1 day after submission CV. Easy coding tasks in limited time and test case will test lots of corner cases. 3 questions in total and the questions are quite long. Can use most programming languages. Do not get any reviews from that company after online test.
I applied online. I interviewed at Ocado Group (Hatfield, East of England, England)
Interview
step1: codility test with 3 questions in 90 mins
step2: assessment day, 2 paper based test and an informal presentation by one of the heads while the papers are marked. Successful candidates are shown the CFC by a tour. A short interview in the afternoon by an HR or engineer.
step3: technical interview and general interview by one of the heads.