Lead data scientist Interview Questions

"As a lead data scientist, you will be responsible for developing creative and effective improvements to a company's product by analyzing data from consumers, websites, sales, and many other sources. During an interview, expect to be given many case studies about what information you can draw from a particular set of data as well as to be tested on your general statistical and computer science knowledge. A background in computer science, statistics, or another related field is required. "

Lead data scientist Interview Questions

"As a lead data scientist, you will be responsible for developing creative and effective improvements to a company's product by analyzing data from consumers, websites, sales, and many other sources. During an interview, expect to be given many case studies about what information you can draw from a particular set of data as well as to be tested on your general statistical and computer science knowledge. A background in computer science, statistics, or another related field is required. "

232 Lead Data Scientist interview questions shared by candidates

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GroundTruth
Data Science Lead was asked...July 7, 2020

What does SQL stand for

3 Answers

Structured Query Language

Structured query language

Structured query language

E*TRADE by Morgan Stanley

Case Study

2 Answers

Given a data set via excel and expected to put together 20-25 minute PowerPoint presentation to discuss insights and conclusions Less

There's a lot of elements to typically cover in these questions, clarifications, scoping, making sure you're answering the actual question the interviewer is looking for you to answer, etc. Could be worth doing a mock interview with one of the Prepfully E*TRADE Lead Data Analyst experts... they've worked in the role so they clearly know how to get through the interview. prepfully.com/practice-interviews Less

E*TRADE by Morgan Stanley

What kind of salary are you expecting?

2 Answers

Top of salary range for Lead Data Analyst was $120k base salary

In these sorts of interviews you really need to drill down and understand what the interviewer is looking for. A good way to simulate a real interview experience is to do a mock with one of the E*TRADE Lead Data Analyst experts on Prepfully, rated super strongly on TrustPilot... prepfully.com/practice-interviews Less

Dashlane

How many distinct projects are there?

2 Answers

select count(*) from projects OR select distinct count(*) from projects Depends on your data structure and data health what is considered a "distinct" project. Less

My guess is you are not white. I have several friends also had the same experiences with Dashlane because they are Chinese and Indian Less

Archangel Imaging

Detailed discussion of past projects in areas relevant to the current project the managers are working on.

1 Answers

I picked put several different projects from previous contracts that are most similar to 3 or 4 areas of the problems they are trying to solve and implement. I provided them with past research papers, technical publications, and sample code on Github for the managers to review. Less

BOLD

nothing as nobody knows anything over there

1 Answers

you can answer anything of any question

Hopper

None really. All was expected

1 Answers

Check if you they didn't take advantage of you. I have a few friends who interviewed for them. And they use their interview process to get free consultation from a qualified person and never hire!! Less

ZenCity

Implement k-means algorithm. Inputs: 1. List of n lists, of some general length d. Each represents a point in a d-dimensional space. 2. k: number of clusters No use of any ml-libraries of course.

1 Answers

you can find it online easily...

FARFETCH

Convince me that your years of experience is what they are and not what I just imagined.

1 Answers

Lol, you did not convince me that there is any reason to work with you, bye.

ConnectWise

SQL: Lag and Lead function, Case When condition. Spark: Tell about a REAL WORLD problem not from the INTERNET But that you have faced while executing job on a spark cluster.

1 Answers

When I started answering about the question, the interviewer didn't bother to listen he said I want Platform agnostic answers or answers only based on open source spark. When I tried answering him he quickly changed his stance and jumped to HDI and EMR distributions and started talking about partitions and cores. The person had no clue what he wanted to ask only focused on his side. I am sure its a good company but the interviewer should be clear what he is looking for and what are his questions. Less

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