I applied online. The process took 4 weeks. I interviewed at Deliveroo in Aug 2021
Interview
Applied online.
An HR person reaches out via mail, scheduling call for Round 0. You need to walk through your CV and some basic competency questions.
You then get passed onto Round 1, with a senior data scientist. The HR will prepare you for this.
If you pass this round, you 'll now have 4 more rounds, scheduled on one single day, lasting for ~5 hours. You 'll be asked to work on a case study.
To summarize, very methodical and transparent process. Their standards are too high, a small mistake in any of the 4 interviews can lead to no-offer.
Wish every company follows such process.
Appreciate you taking the time to share your experience, and I'm sorry that it didn't lead to an offer this time. Hopefully there will be another opportunity for us to cross paths in the future - Jamie
Other Data Scientist interview reviews for Deliveroo
HR call, then technical call with one data scientist about past projects and why Deliveroo, after that a take home test and 4 rounds of interviews: SQL, case study, cultural fit & take home test presentation
Interview questions [1]
Question 1
Why Deliveroo? and minimal unit of randomisation in A/B testing.
Straight forward process but very long and arduous with plenty of stages. I'd say it needs to be refined. Interviewers were very professional and rapport building was easy. I would suggest cutting down on the numerous steps in the interview
Very long process, 6 interviews and a take home task before being rejected. Brief of the task said don't overcomplicate it but the feedback I received was that I still didn't go into enough detail. So be prepared to spend a lot of time for the interviews. Generally friendly interviewers and easy interview questions, very straight forward standard a/b testing and causal inference questions. Despite this was rejected, would have brushed up on my domain knowledge in retrospect as I probably wasn't very clear answering causal inference questions to a product very different to my experience. The sql test was very easy and I completed all questions correctly, but got some negative feedback on this as I wasn't familiar with postgresql quirks around dates which they marked me down on.
Interview questions [1]
Question 1
standard a/b testing and causal inference questions
