I applied online. The process took 2 days. I interviewed at dunnhumby (New Delhi) in Jun 2021
Interview
Conducted over 2 rounds
First round: Presenting a case study given before to solve and answering questions related to the conclusions derived from it. Questions related to resume, internships and projects done
Basic questions on machine learning concepts related to my projects
(Went on for one hour)
Second round: Managerial round
Evaluated on Python, Sql ( basic select, group by, left join with duplicate entries in right table, flag in sql)
Discussed salary expectations
Challenging interview, conducted over back to back to rounds
Interview questions [3]
Question 1
Calculate the number of vehicles passing through a toll
It sounds like you had a thorough and focused interview process, with three rounds specifically testing your coding and data structures knowledge. This level of assessment is great for evaluating technical skills comprehensively. How did you find the experience overall?
3 rounds of interview and easy to medium level. First round is online test based on coding. Second is interview with senior data scientists and third round is interview with director of department. And then HR round.
I applied online. The process took 6 days. I interviewed at dunnhumby (Gurgaon, Haryana)
Interview
2 back to back interview on consecutive days were conducted.
In both interviews relevant questions were asked related to ML and a case study based on customer targeting was provided to get an idea of overall logical thinking
Interview questions [1]
Question 1
ROC/AUC curve, regression and decision tree questions
Applied Data Scientist applicants have rated the interview process at dunnhumby with 2.8 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 75% positive. To compare, the company-average is 56.8% positive. This is according to Glassdoor user ratings.
Candidates applying for Applied Data Scientist roles take an average of 18 days to get hired, when considering 4 user submitted interviews for this role. To compare, the hiring process at dunnhumby overall takes an average of 24 days.
Common stages of the interview process at dunnhumby as a Applied Data Scientist according to 4 Glassdoor interviews include:
Background check: 27%
Phone interview: 27%
Presentation: 18%
Personality test: 9%
Skills test: 9%
One on one interview: 9%
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