I applied in-person. The process took 2 days. I interviewed at dunnhumby (Gurgaon, Haryana) in Mar 2019
Interview
Total of 3 rounds consisting of
2 technical rounds
and 1 non technical round
Non technical round was basically a personality check.
1st technical round had all the coding part covered in it. From python to spark l, sql hive etc.
2nd technical also consisted of the coding skills measuring the optimisation/time complexity of the code written and also the situation based problems and the solutions around it.
Post that the HR discussion.
Interview questions [1]
Question 1
Python and Spark related questions were asked and in depth understanding of Hadoop architecture. Also real time scenarios were given and solution was to be proposed.
1st round - OA
2nd round - GD
3rd round - HR + Technical
1st round was fairly simple, second was a bit different, didn't reach 3rd round. Overall process 3/5
interview was conducted smoothly and the questions asked was great really enjoy the interview.but review was not given still waiting for review hope will get to listen soon. other then this everything was fine .