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Data Engineer Interview Questions
Data Engineer Interview Questions
Data engineers are IT professionals who are needed in almost every industry. Data engineers monitor data trends to determine best next steps for companies. A critical part of a data engineer job is to process raw data into usable data by creating data pipelines and building data systems.
Top Data Engineer Interview Questions & How To Answer
Question 1
Question #1: Can you describe in detail your level of expertise with programming languages?
How to answer
How to answer: Before the interview, review your resume and/or portfolio and make a list of the programs you are most proficient with. If you find that you are lacking the expertise in a program that the company predominately uses, describe yourself as a highly motivated self-starter who will work tirelessly to learn the program(s).
Question 2
Question #2: Explain data engineering in your own words.
How to answer
How to answer: Highlight your role in relation to the larger organization and other roles like data scientists to clearly define your contribution to the overall system of business. Clarify the difference between a database-centric engineer and a pipeline-centric engineer.
Question 3
Question #3: Can you describe your experience working with Apache Hadoop and cloud data management environments?
How to answer
How to answer: Research the company's software, data cloud products, and use of Apache Hadoop to be prepared for this inquiry. Data Engineers must be fluent in programming languages and data management systems used throughout the industry such as Apache Hadoop.
20,274 data engineer interview questions shared by candidates
Difference between Traditional etl vs cloud based etl tool
How could you minimized the inter-correlation between variables with Linear Regression?
How do you keep updated with the new trends in cybersecurity?
In first round, the discussion was on Java, Big Data and Hadoop Ecosystem. Interviewer asked about string, array, HDFS, Pig, Hive, Sqoop and Oozie.
(Technical Interview - Coding Assignment Review) What could go wrong if a document with 2 billion rows is saved to a single location in the memory.
Completing the coding challenge. I did not move on to the next stages.
What is ETL? Tell us about indexes
Loading of the data from Azure Blob to ADL Difference between filter in Data Flow and activity in ADF Asked me more about the current project
Although you cleared interview process and documentation why do i hire you since as i have another person who can come for less salary. This the question asked after getting selected and completed the documentation.
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