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      Greenplum

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      Data Scientist Interview

      Mar 22, 2012
      Anonymous Interview Candidate
      No offer
      Neutral experience
      Average interview

      Application

      I applied online. The process took 2 weeks. I interviewed at Greenplum in Feb 2012

      Interview

      About a week after I applied online, the HR phone interviewed me. It last about half an hour. Questions focus on behavior and also asked how proficient in SAS, R, SQL and Hadoop. Then the next day HR emailed me to set up another phone interview with a senior data scientist in the team. She asked a few statistics and modeling questions and let me describe one of my projects in the resume. All are average questions but I did not answer well since I'm not prepared. No response after that.

      Interview questions [1]

      Question 1

      If for a company, employees are leaving. What variables should we include in the model to predict who are going to leave?
      1 Answer
      2

      Other Data Scientist Interview Reviews for Greenplum

      Data Scientist Interview

      Jun 2, 2012
      Anonymous Interview Candidate
      San Mateo, CA
      No offer
      Negative experience
      Average interview

      Application

      The process took 2 months. I interviewed at Greenplum (San Mateo, CA) in May 2012

      Interview

      I applied through the company's website. The recruiter got back to me a week later and had a screening phone interview with me. I then had an hour long phone interview with a data scientist on the team. A few weeks later I was sent an exercise/skill test to complete in 24 hours. They invited me for an on-site interview a week later in San Mateo. It consisted of four 1-1s and a presentation. The recruiter got back to me three weeks after the on-site interview. Pros: -Data Scientists on the team are very knowledgable and nice. -I learned a lot from the interviews. They gave me a lot of insights. -They work on exciting projects. -Nice cafeteria Cons: -The company had poor management and organization skills. -The person who interviewed me was changed at the last minute. -The recruiter accidentally sent me a rejection email. -The hiring manager I was scheduled to talk to was in a meeting and I didn't end up talking to her. -The room that I was supposed to give a presentation was occupied. -I had lunch with the employees and it seemed like there was a lot of politics/awkwardness between departments. -No responses or updates for three weeks despite my follow-up emails.

      Interview questions [3]

      Question 1

      A project where I have extracted useful information from a large data set. What machine learning algorithm did I use, and why?
      Answer question

      Question 2

      Describe in details my MS thesis.
      Answer question

      Question 3

      Given a particular data set, suggest three algorithms, one regression, one clustering, one classification.
      Answer question
      3

      Greenplum interviews FAQs

      • Candidates applying for Data Scientist roles take an average of 37 days to get hired, when considering 2 user submitted interviews for this role. To compare, the hiring process at Greenplum overall takes an average of 20 days.
      • Common stages of the interview process at Greenplum as a Data Scientist according to 2 Glassdoor interviews include:

        Phone interview:  33%

        Group panel interview:  17%

        Presentation:  17%

        One on one interview:  17%

        Skills test:  17%

      • Here are the most commonly searched roles for interview reports -

        1. Software Engineer(2) .


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