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Data Engineer Interview Questions

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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.

20,232 data engineer interview questions shared by candidates

sql: already present in glassdoor. 1)ratio of is_fat and is_someother among total products 2)top 5 single channel companies that spent max amount on promotion. take into account of the ones that have only single entry company , channel; 1 food, water 2 food 3) percentage of sales on first day and last day python: occurrences of a letter in a string, replace none with previous value in a list, from a dictionary get the keys corresponding to nth highest value.
avatar

Data Engineer

Interviewed at Meta

3.5★
Jun 8, 2021

sql: already present in glassdoor. 1)ratio of is_fat and is_someother among total products 2)top 5 single channel companies that spent max amount on promotion. take into account of the ones that have only single entry company , channel; 1 food, water 2 food 3) percentage of sales on first day and last day python: occurrences of a letter in a string, replace none with previous value in a list, from a dictionary get the keys corresponding to nth highest value.

One question they asked was what do I think data engineering is. I think when applying for this role you should have a good sense of the data engineering ecosystem and opportunities and what it means to different people as well as what it means to you.
avatar

Data Engineer

Interviewed at Meta

3.5★
Sep 25, 2021

One question they asked was what do I think data engineering is. I think when applying for this role you should have a good sense of the data engineering ecosystem and opportunities and what it means to different people as well as what it means to you.

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Glassdoor has 20,232 interview questions and reports from Data engineer interviews. Prepare for your interview. Get hired. Love your job.