4-5 rounds, prepare your resume , sql, case study , probability, python , puzzles .
SQL and general case study in first round. 30 min round .
2nd round python pandas question etc.
3rd round puzzle , why you want to join us and more sql .
Interview questions [1]
Question 1
case study - how many bus required to carry out all passangers landing on blr airport /
I applied through university. The process took 3 weeks. I interviewed at EXL Service (Jersey City, NJ) in Nov 2015
Interview
One phone interview: with one manager
One onsite interview: with two bosses
Two interviews are processed by 3 weeks. You will get information in 3 days after the interview.
At first I recieved the rejection letter from HR but right in the afternoon he called me to inform his mistakes. I was offered the chance.
Interview questions [1]
Question 1
Focus on brainteaser and case study.
Phone: use 1,3,4,6 to get 24 (2 methods). how many restaurants in NY city. How long does one athlete walk or run during a football match. Sampling from 10000 data points, make 2 dataset A and B whose size is 1000 (with replacement), how many datapoint are same between A and B
Onsite: 4 people cross the river with a boat which can take 2 people at most, make an optimal solution. How to decide the yellow light time for the traffic lights.
...
easy but not formal, over all, its not intense, one with hiring manager, one with client, for the client side, he just asked about easy questions about excel , and chat about weather
I applied through a recruiter. The process took 1 day. I interviewed at EXL Service in Feb 2024
Interview
A SQL question followed by A/B testing question (interviewer was pretty less knowledgeable on this). Finally questions on PowerPoint that can be easily googled. Bad job description and an even ill-fitted interviewer.
Interview questions [1]
Question 1
Explain A/B testing? How does Bayesian A/B testing work?