Big Data Consultant Interview Questions


Big Data Consultant interview questions shared by candidates

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Fidelity Investments
Big Data Engineer, New Hampshire was asked...March 19, 2013

Design patterns questions

10 Answers

It was on 03-14.Within 2 days they scheduled for onsite interview.By the way what all design pattern questions they asked you in first round?I was asked only Observer Pattern and Singleton Pattern Less

Ya the same thing.....I already listed right...I had a difficulty in answering Observer pattern so listed here so that others can prepare well :) On site they will ask to write small code I guess but not so complicated. I heard that fidelity interview is not that tough as tech companies. So prepare well, answer confidently. All the best for the interview. Less

Did you guys gave the on-site interview? How was the experience?

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Longest palindromes in a string SQL quesiton

4 Answers

What level of experience they are looking for?

It was for New Grad

What visa status they were looking for ?

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Blue Cross Blue Shield of Arizona

Are you OK with working nights and weekends.

3 Answers

NO. No one is OK with working nights and weekends. The only kind of company that asks that type of question is a company that is mismanaged and expects that you give up nights and weekends because of executive mismanagement. No thanks. Less

Yes, I m ok to work nights and weekends for a project until it is back on track or complete. Less

Im okay with it,I'm the give anything it takes to get the job done kind of person Less

Bloomberg L.P.

Remove duplicate consecutive spaces from a given string, in-place. For example: "Have a nice day" should become "Have a nice day". Removal of leading and trailing spaces was not specifically mentioned.

3 Answers

foo - Using a recursive function foo2 - Using an iterative process def foo(s): if len(s) = 2: if s[i] == s[i+1] == " ": s = s[:i] + s[i+1:] else: i += 1 return s Less

The iterative process: def foo2(s): if len(s) = 2: if s[i] == s[i+1] == " ": s = s[:i] + s[i+1:] else: i += 1 return s Less

Recursive solution: def foo(s): if len(s) < 2: return s if s[0] == s[1] == " ": return foo(s[1:]) return s[0] + foo(s[1:]) Less


Logic based questions. Scenarios. Code reviews

3 Answers

Hi, I have an interview with Siemens next week ,could you please guide me a bit as how should I is for the role "Big Data Software Engineer".I just wanted to know what type of Java question I should expect in the online exam. Regards, Tan Sah Less

For the HireVue just basic Java stuff like Design Patterns, Threads, Multithreading and so Less

Hi, I have cleared HireVue and have panel interview scheduled with Siemens. Can you please tell me what to expect?? Its for Big Data Engineer position. Less


Big Data questions(data warehousing concepts) and a java program on LinkedList

3 Answers

Well, I concentrated a lot on JAVA coding questions but did not brush up my big data knowledge. People interviewing for this position, I would like to say please keep yourself updated on the new Big Data technologies as it is a Big Data Engineer role. All the best :) Less

In how much time they let you know thier decision?

I interviewed on Friday and got a reply on Monday, so in 2-3 days.

Balyasny Asset Management
Big Data was asked...April 23, 2018

Retrieve Movie titles from IMDB.

2 Answers

python with json parsing.

Hi, is this question from the HackerRank test or the actual interview? I wondered what kind of Python problems they test you and how difficult they are. 2 questions in 2 hours seemed to be a lot of codes to write. Less


Advantages of java over c

2 Answers

What coding question they asked out of 5 question??

write a query to find the second maximum.


Difference between delete and truncate in SQL?

2 Answers

Delete is a DML command so it can be rolled back where as truncate is a DDL command which cannot be rolled back. Less

What programming questions they asked in 2nd round ??

Carelon Global Solutions

how much have experinece in spark?

2 Answers

I have no experience


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