DataGrokr Data Engineer Interview Questions and Answers

Spark related assignment

Q1. SQL question like select and filter related topics
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Q2. Python to sort numbers
Ans. 
Use the sorted() function in Python to sort numbers in a list.
• Use the sorted() function with the list of numbers as input.

• sorted() function returns a new sorted list without modifying the original list.

• You can use the reverse parameter in sorted() to sort in descending order.

• Example: numbers = [3, 1, 4, 1, 5, 9, 2] sorted_numbers = sorted(numbers) print(sorted_numbers)
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Q1. Explain my experience
Ans. 
I have experience working as a Data Engineer for 5 years in a tech company, where I was responsible for designing and implementing data pipelines, optimizing data storage and retrieval, and collaborating with cross-functional teams.
• Designed and implemented data pipelines to extract, transform, and load data from various sources

• Optimized data storage and retrieval processes to improve efficiency and performance

• Collabora...read more
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Q2. Learning or study process
Ans. 
Continuous learning through online courses, books, and hands-on projects.
• Regularly enroll in online courses related to data engineering to stay updated on new technologies and best practices.

• Read books and articles on data engineering to deepen understanding of concepts and techniques.

• Work on hands-on projects to apply theoretical knowledge and gain practical experience.

• Participate in data engineering communities and f...read more
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Q1. Basics must be absolutely strong.
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Q2. Strong SQL and Python can help you crack interview.
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Q1. Questions on behavioural aspects
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Related to python, SQL and pyspark.

Q1. Assignment approach / Python / SQL most important / Basic DSA
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Q1. Normal conversation / Goals
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