Data Engineer Interview Questions

20,165 data engineer interview questions shared by candidates

What are your strengths?(technical background question) Program an app that does x on paper using any language What is most important in a team? Why did you choose to work in IT? Why do you want to work with our team?
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Data Engineer

Interviewed at Three Point Turn

4.8
Dec 30, 2022

What are your strengths?(technical background question) Program an app that does x on paper using any language What is most important in a team? Why did you choose to work in IT? Why do you want to work with our team?

Please use the awswrangler module to create a list of the files in the input folder that are not in the output folder. There is an AWS S3 bucket with two folders. Here is the initial code: import awswrangler as wr input_folder = 's3://mf-pythontest/in' output_folder = 's3://mf-pythontest/out' Using the AWS wrangler module, please create a list of the files in the input folder that are not in the output folders. The Required output is: ['doc_003.parquet']You must use the awswrangler package: https://github.com/awslabs/aws-data-wranglerYou will need to have some AWS credentials to access this public bucket. ***TIP*** The solution should have no more than three lines of code
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Data Engineer

Interviewed at Common Code

4.6
Aug 3, 2020

Please use the awswrangler module to create a list of the files in the input folder that are not in the output folder. There is an AWS S3 bucket with two folders. Here is the initial code: import awswrangler as wr input_folder = 's3://mf-pythontest/in' output_folder = 's3://mf-pythontest/out' Using the AWS wrangler module, please create a list of the files in the input folder that are not in the output folders. The Required output is: ['doc_003.parquet']You must use the awswrangler package: https://github.com/awslabs/aws-data-wranglerYou will need to have some AWS credentials to access this public bucket. ***TIP*** The solution should have no more than three lines of code

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