Glassdoor users rated their interview experience at Opex Analytics as 100% positive with a difficulty rating score of 3 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Data Science Intern and rated their interviews as the hardest, whereas interviews for Data Science Intern and roles were rated as the easiest.
Here are the most commonly searched roles for interview reports -
The first round involved resume screening and about 100 people were asked to appear for a test which included 25 aptitude questions and 20 data science questions.
Around 30 people were shortlisted for the interviews. The interviews were based on what you have done and what is your view of data science. 3 out of 30 were asked to appear for the second round which involved data science case study problem, and finally, two people were selected.
Interview questions [1]
Question 1
How do you optimize the number of electric bike that should replace the traditional bikes on a company campus?
I applied through university. I interviewed at Opex Analytics
Interview
Firstly, one HR screen discussing about your resume experience and some behavior questions. After that, an hour long technical screen, more detailed about your projects and then technical questions focusing on optimization methods.
Interview questions [1]
Question 1
What is MIP gap? Describe some methods for NLP problems.
I applied online. The process took 2 weeks. I interviewed at Opex Analytics (Chicago, IL) in Dec 2018
Interview
Unethical, long interview process. They waste the candidates time and give 20-30 hour data science end to end projects to all their applicants so they can steal their code.
Interview questions [1]
Question 1
3 rounds of interviews. One behavior phone screen, one technical phone screen, one 8hr programming test that actually can take 30 hours if you do a good job.