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Fidelity Investments Big Data Engineer, New Hampshire Interview Question

I interviewed in Merrimack, NH and was asked:
"Design patterns questions"
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Part of a Big Data Engineer, New Hampshire Interview Review - one of 507 Fidelity Investments Interview Reviews

Answers & Comments

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Hi Did you get a call for Onsite for this position?
I have it on Monday i.e 03-25.If you went through onsite interview.Please share your experience
- Anonymous on Mar 23, 2013 Flag Response
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I dint get a call for on site yet. When was your 1st interview?
- Anonymous on Mar 24, 2013 Flag Response
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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
- Anonymous on Mar 24, 2013 Flag Response
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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.
- Anonymous on Mar 24, 2013 Flag Response
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Did you guys gave the on-site interview? How was the experience?
- Anonymous on Apr 10, 2013 Flag Response
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Could you guys share your onsite experience ?
- Anonymous on Apr 11, 2013 Flag Response
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@above
Dude my onsite is scheduled next week. So I dint have any experience to share apart from the phone interview questions. Now its your turn to share the experience so that I can do somewhat better next week. So please do share your experience.
- Anonymous on Apr 26, 2013 Flag Response
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Hi,
I had my phone interview this week.The interview didn't go well but I have a similar interview with the same company in a different location.Can someone please tell the questions that were asked onsite?
Thanks
- Anonymous on Apr 29, 2013 Flag Response
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Hello,

I heard that the questions asked on onsite were related to map reduce scenarios like how to approach a situation (which the interviewer tells) and develop map and reduce tasks (orally not written). Different behavioural questions apart from these.
- Anonymous on May 02, 2013 Flag Response
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Has anybody actually given the onsite interview?Please share your experience.
- Anonymous on May 03, 2013 Flag Response

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