Name: Lead Data Engineer & Data Team Lead at Amazon
Brand: Prepfully
SKU: RJR3VB
Rating: 4.75 (48 reviews)

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Enjoyable session

Thank you for the chat! Very helpful

Amazon DE

28 Aug 2024

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Gave me real time experience of interview before the actual interview

Amazon Data Engineer

20 May 2024

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It was a great experience. Thank you!

Amazon DE

19 May 2024

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Thank you for your time!

Amazon DE

30 Mar 2024

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Thanks so much for all the feedback and help, makes a big difference. I got some really great inside into the interview process. Also, I got to practice real ETL and data modeling questions, which are often hard to practice without a great coach.

Netflix, Amazon DE

25 Mar 2024

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Thank you so much for helping me to get ready for the interview process. This connect will certainly help to efficiently plan my preparation. Pretty straightforward process to setting up connects with the coaches

Amazon Data Engineer

20 Jan 2024

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great job. thanks!

Amazon Data Engineer Internship

21 Nov 2023

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easy to schedule mock interview, great results. Affordable.

Amazon Senior Data Engineer

20 Oct 2023

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Service is good. Coaches know their stuff really well.

Amazon Data Engineer

11 Oct 2023

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Coach question felt like a real interview and was very complex

Netflix Data Engineer

8 Sep 2023

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Thanks ******* for the great conversation. I really learned a lot!

HelloFresh Senior Data Engineer

1 May 2023

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It is a great service - easy to schedule, and the experts are very knowledgeable.

Pfizer Documentation and Data Management Specialist

15 Jan 2023

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Engaging, Informative, Knowledgeable, Helpful......Amazing! It was great!

TikTok Data Engineer

23 Nov 2022

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Wish there was a way to book more time with the same expert

Amazon Data Engineer

24 Oct 2022

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The interviewer provided useful questions both from technical and non technical point of view. Patiently answered my questions. Also provided some suggestions in the tech consulting industry

Boston Consulting Group (BCG) Data Engineer

4 Oct 2022

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Thanks for the helps. Provided insightful suggestions and communicated clearly.

Boston Consulting Group (BCG) Data Engineer

23 Sep 2022

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You are the best! Really a great session. The interviewer passed valuable feedback and even extended some time back to help me to clarify all my queries.

Amazon Senior Data Engineer

14 Jul 2022

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Thanks for your time :) Expert had in depth knowledge on the subject areas we talked about. He already had questions prepared for me and provided detailed feedback on the things that I could improve.

Amazon Data Engineer

11 Jul 2022

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Thanks for your time *******. You were very encouraging throughout our conversation. I'd spend some time thinking about the impact and challenges and scheduling another call soon. Have a great weekend The expert provided some really good tips on how to improve your chances of getting hired. Detailed feedback on the project experience and LPs. Super easy to talk to Overall great session

Amazon Data Engineer

9 Jul 2022

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Thanks. may be the session should be for more time. It would be great and useful concretely

Amazon Data Engineer L5

10 May 2022

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The experts have very good communication skill, knows how to questions relevant to the job description, and are very knowledgeable.

Amazon Manager, BI and Analytics

30 Apr 2022

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Thank you so much :) Amazing experience - he really dived deep and offered great advice

Amazon Data Engineer

24 Apr 2022

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Hi, I forgot to take note of your email in the chat window of the call. Can I request you to send me a test email at ******* Very good and informative session. I feel more confident now

Amazon Data Engineer

19 Mar 2022

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Great Advice !! Very Professional and knowledgeable!! It’s great opportunity to know where you are standing and what direct you need to focus for your interview

Amazon Data Engineer

18 Mar 2022

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Thank you!

Amazon Data Engineer

27 Feb 2022

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Very professional interviewer, gain a lot insights from your suggestions! Only problem is I was unable to upload my resume on the website. Other than that, It's a great experience.

Amazon Data Engineer

23 Feb 2022

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*******. Thanks a lot for your guidance. I did not clear the interview. The interviewer was expecting reporting, python and higher-end SQL It was very useful. Gave a feeling of a real interview. Help me take the stress out and concentrate on my mistakes. The expert gave good feedback and showed me my weakness.

Facebook, Amazon Data Engineer

4 Feb 2022

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Covered a range of topics and chatted about different aspects of the interview and how to answer them + went through an interview question.

Redfin Data Engineering Intern

26 Oct 2021

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real experts

Amazon Data Engineer

14 Oct 2021

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The expert is really knowledgeable and helpful.

Amazon Data Engineer

24 Sep 2021

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Real time experience

Amazon Data Engineer

6 Sep 2021

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Great insight into the interview process.

Amazon Data Engineer

6 Sep 2021

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It’s useful to practice mocks.

Amazon Data Engineer

15 Aug 2021

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Thanks a lot! We need to repeat it on Monday. Don't hesitate to provide all kinds of criticisms. Regards It helps me focus on what's important. And I think that can be very important for anyone preparing for an interview

Amazon Data Engineer

15 Aug 2021

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Thanks for taking the time to guide me. Appreciate your help. Regards, ******* I liked the way my interviewer held the process and gave me tips on how to ace the interview.

Amazon Data Engineer

11 Aug 2021

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By far the best mock interview experience. Great service!

Amazon Data Engineer

31 Jul 2021

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Thank you so much for sharing your insights and feedback. Enjoyed the activity. Felt like a real interview.

Amazon Data Engineer

17 Jul 2021

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Thank your for your help I think this the right information from the candidate, the process can be extremely helpful.

Two Sigma Data Engineer

30 Jun 2021

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Thanks for providing clear direction on what to expect in the interview and thanks for the feedback. .

Amazon Data Engineer

12 Jun 2021

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My apologies for missing this follow-up session with you. I'll check with Prepfully about arranging a new slot for us.

Amazon Data Engineer

11 May 2021

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Let's focus on Big data, AWS, and coding in the final round. It was all relevant questions and good feedback at the end.

Amazon Data Engineer

7 May 2021

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Thanks for the pyramid and diamond technique. As we discussed, this job is more about SQL and not as much of creating an ETL pipeline. Let's focus the next part on SQL in Redshift, S3, and external tables along with the database concepts and performance optimizations. Questions were to the point.

Amazon Data Engineer

5 May 2021

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Thank you very much for your time to interview me. We have one scheduled upcoming interview for LPs and I am planning to schedule two more. One for Understanding the DB concept, architecture, and Big data load (30 min) and Performance measurement, indexes, partition (30 min). I will keep the topic for the fifth session open but would like to schedule it now. It would also be great if you can provide me soe more post-interview SQL and coding questions to just go over it after the interview. Below is the answer for SQL questions. Please let me know your thought Thanks ========================== create table #price ( cntry char (2), sku char (2), price int, taxed_price numeric (6,2), start_date date, end_date date) insert into #price values ('DE','A1',20,23.4,'01/02/2020','03/02/2020'),('DE','A1',19,22.23,'04/02/2020','05/02/2020'), ('DE','A1',21,24.57,'05/02/2020','08/02/2020'),('DE','A1',25,29.25,'09/02/2020',null), ('UK','A2',35,40.95,'01/03/2020','02/03/2020'),('UK','A2',32,37.44,'03/03/2020','06/03/2020'), ('UK','A2',31,36.27,'07/03/2020','09/03/2020'),('UK','A2',31,36.27,'07/03/2020',null) create table #catalog ( cntry char (2), sku char(2), brand char(2)) Insert into #catalog values ('DE','A1','Wx'),('DE','A2','Sx'),('UK','A1','Fx'),('UK','A2','Gx') --1) lowest price for each sku in each country select cntry,sku,min(price) as min_price from #price group by cntry,sku --2) List all SKus by country with their current price and theire highesr and lowest price select cntry, sku,price, min(price) over (partition by cntry order by price asc) as min_price, max(price) over (partition by cntry order by price desc ) as max_price from #price --3)for each barnd list the price range by country ;with cteprice as ( select cntry, sku,price, min(price) over (partition by cntry order by price asc) as min_price, max(price) over (partition by cntry order by price desc ) as max_price from #price) select distinct c.cntry,c.brand,e.min_price, e.max_price,(e.min_price+e.max_price)/2 as avg_price from cteprice e inner join #catalog c on e.cntry = c.cntry and e.sku = c.sku The interviews was based on the requested topic.

Amazon Data Engineer

30 Apr 2021

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Enjoyable session

Thank you very much for your time to interview me. I have requested another round to go over the data modelling and ETL. It felt like a real interview and looking forward to having much more rounds. Thanks The expert understood the requirement and asked me the relevant questions and explained also how can I give better answers.

Amazon Data Engineer

29 Apr 2021

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Thanks for all your help and tips. I feel much better about going into the interview this week. Great interview prep with very qualified people.

Amazon Data Engineer

13 Mar 2021

Lead Data Engineer & Data Team Lead at Amazon

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