Moving average in sql and pyspark. One python coding in string i think
Senior Data Engineer Interview Questions
2,442 senior data engineer interview questions shared by candidates
Given a list of domains, that are entered sorted, we want to minimize the output of urls by uniting sub-domains by only outputting their common ancestor. Also sibling domains should be listed as their common ancestor.
Preguntas sobre kafka, estrategias de procesar datos en continua transformación (UPSERT) de forma distribuida en un delta lake. Otras relacionadas con el ETL y spark.
Implementing data processing job in with spark and postgresql.
The HR interview was just a relaxed chat based around values and general compatibility for the role. They ensured that you have done your reading around the company and role. The tech challenge was python based, using a provided API to gather/filter/resubmit data. You had to upload the solution along with appropriate tests to Git. The engineer interview didn’t cover the tech challenge solution at all (surprisingly). It was a general discussion on past experience and projects. Later it switched gears to some more general questions like ‘what is etl?’ or ‘tell us about data streaming products?’ or ‘what problems have you had using semi-structured or unstructured data?’. AWS experience and services used was also covered. The whiteboard session I found the hardest part and was again scenario based where you had to diagnose problems in a process and work with the other engineers to come up with a solution. Later (once the main problem had been covered) more requirements/problems were added to see how you thought on your feed and you were questioned on which products you would use (and why)
Db questions, data structures , sql, oops
1. Given a list of strings, extract numbers from the string. 2. Design a streaming application with the data model
Basic top 20 python questions Why data engineer
Describe your background, explain your data engineering expertise and so on.
a python exercise which consists in developing a simple pipeline
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