I applied online. I interviewed at dunnhumby (Gurgaon, Haryana) in Sept 2021
Interview
2 rounds : Rounds were Combined technical + managerial interviews . Main focus of interview is checking your business analysis skills along with obvious technical skills. Programming languages on check : Python , PySpark , SQL
Explain Machine Learning algorithms
like Kmeans clustering , Linear regression and algos specific to predictive modelling . How to choose no of clusters in K means
Case studies
1. You client is retailer store owner like DMart (offline online store) , the store's sales for softdrinks have done down 15% from last quarter. What can be possible reasons for this and steps to tackle each cause.
2. You are running amazon like platform. How will you choose your Top100 'gold' customers to whom you will give rewards like discounts and coupons etc.
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
