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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.
20,235 data engineer interview questions shared by candidates
Project specific details, How to connect DB (say oracle) from py, java, shell script? Details on hadoop architecture, nosqls, mysql, shell script, etc
What makes Spark efficient as compared to Map-Reduce?
Two random cards numbered from 1,2...100 are pulled from the deck. What is the probability that one number doubles the other from the deck.
Write a linux command to find files with a specific character in it.
What does it mean that functions are first class in Python.
Python questions on syntax/logic/Spark etc.
How would you build a data stack?
The technical task was based on a data issue they’ve had in the past split into two parts. Solve the data problem and provide some sql for the second problem
- java coding for make list of anagram words from Array of word - data engineering question from my current projects - Spark, Hadoop, Java and AWS etc.. - data pipeline question which include data storing s3, filesystem and workflow management platform
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