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CDW Data Engineer Interview Questions and Answers

Updated 8 Aug 2021

CDW Data Engineer Interview Experiences

1 interview found

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 8 Aug 2021

Interview Questionnaire 

1 Question

  • Q1. Questions related to data modeling, ETL, data warehouse, sql
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Overall Interview experience was good.

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Software Engineer Interview Questions & Answers

Wipro user image Anonymous

posted on 16 Sep 2021

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 140 minutes
Round difficulty - Medium

Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.

  • Q1. 

    Sum of Two Numbers Represented as Arrays

    Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...

  • Ans. 

    Given two numbers represented as arrays, calculate their sum and return the result as an array.

    • Iterate through the arrays from right to left, adding digits and carrying over if necessary

    • Handle cases where one array is longer than the other by considering the remaining digits

    • Ensure the final sum array does not have any leading zeros

    • Answered by AI
    Add your answer
Round 2 - Face to Face 

Round duration - 20 minutes
Round difficulty - Easy

The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.

Round 3 - HR 

Round duration - 8 minutes
Round difficulty - Easy

This round was conducted right after finishing and clearing the technical round at the same place and on the same day.

Interview Preparation Tips

Eligibility criteriaAbove 60 %Wipro Limited interview preparation:Topics to prepare for the interview - OOPS, Data Structures, Database Concepts, Coding problemsTime required to prepare for the interview - 2-3 monthsInterview preparation tips for other job seekers

Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.

Application resume tips for other job seekers

Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.

Final outcome of the interviewSelected

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Cognizant user image Anonymous

posted on 10 May 2021

Interview Questionnaire 

4 Questions

  • Q1. Oops concept,
    • Add your answer
  • Q2. Heritance
    • Add your answer
  • Q3. Polyorphis
    • Add your answer
  • Q4. Thread
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - be cinfedent

Data Analyst Interview Questions & Answers

Cognizant user image Anonymous

posted on 20 Apr 2021

I applied via Walk-in and was interviewed before Apr 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Special situations, pregnancy scenario's and other general pv guidelines
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - One should have thorough knowledge about the field in which they are working

System Engineer Interview Questions & Answers

Infosys user image Anonymous

posted on 3 Jan 2021

I applied via Campus Placement and was interviewed before Jan 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. First question in hr interview is tell about yourself then the hr asked questions what I mentioned in my resume. So put the information in resume what you known well. My unique talent is I'm a stage spea...
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Be bold, be confident, don't put irrelevant information in your resume update yourself relating to your studies

System Engineer Interview Questions & Answers

Infosys user image Anonymous

posted on 6 Jan 2021

I applied via Campus Placement and was interviewed in Jul 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. 1.interviewer asked about my mini Project, some questions from my project on Machine Learning and some basic HR questions 2.If you have mentioned some projects in resume the interviewer will surely ask fr...
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and answer confidently
Be good on basics whatever domain you're from.
Good to know basics of one programming



Software Engineer Interview Questions & Answers

Infosys user image Anonymous

posted on 10 Feb 2021

I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Hr
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - You should be true to what you are putting before the interviewer . Try to put your ideas Add something you did well in your career like in projects /research which you know very well and versed in concepts about it for open interview so that interviewer can get bandwidth where he can ask questions from. This is simply a key .

System Engineer Interview Questions & Answers

Infosys user image Anonymous

posted on 29 Jan 2021

I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Difference between dbms and rdbms , project questions , different sdlc models explain , void means in java , difference between function overloading and function overriding .
    • Add your answer

Software Engineer Interview Questions & Answers

Infosys user image Anonymous

posted on 31 Jan 2021

I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. 1.Describe a situation where you have taken a quick decision and failed, and a situation where you succeeded. 2. What is a skill you have tried to achieve but failed? 3. Describe a decision you have taken ...
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Always try to take risk in small problems . When you face the consequences, you would be able to tackle bigger problems.
2. Every skill you learn, even if you didn't excel in it is not to be considered a waste of time/failure, you learn something simply by participating.

System Engineer Interview Questions & Answers

Accenture user image Anonymous

posted on 7 Jul 2021

I applied via Campus Placement and was interviewed before Jul 2020. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Description of project
  • Ans. 

    The project involved designing and implementing a new network infrastructure for a large corporation.

    • Conducted a thorough analysis of the existing network infrastructure

    • Designed a new network architecture that met the company's needs

    • Implemented the new network infrastructure with minimal disruption to business operations

    • Tested and optimized the new network to ensure optimal performance

    • Provided ongoing support and maint

    • Answered by AI
    Add your answer
  • Q2. Your previous experince
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Well prepare for your resume
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More about working at CDW

CDW Interview FAQs

How to prepare for CDW Data Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at CDW. The most common topics and skills that interviewers at CDW expect are MS SQL, MSBI, Power Bi, SQL and Tableau.

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