Test was about pyspark, creating some UDFs and put them in a function of class already placed in the test. This function takes a dataframe as an argument and you need to do needed modifications on this df with spark UDFs.
Sr Data Engineer Interview Questions
2,605 sr data engineer interview questions shared by candidates
write a python code to get the second highest salary of each department. If emp has same salary get the salary of low age
Review this python code and fix it.
Advanced sql question and a simple python program
Tell me about your experience, where you started and brought you until this stage of your career.
In my opinion, the pivotal question influencing the hiring decision was the one assessing my knowledge of PostgreSQL databases.
AWS services related questions Redshift, Lambda
Behaviour questions are shared before the interview, if the interviewer is not interested in listening, it doesn’t matter how well it was presented !
First interview had general screening questions about experience and motivation. Tech interview was a time-limited challenge that you need to practice in order to feel comfortable and make quick decisions. Second tech interview is about SQL and things that every experienced SQL engineer should know, so refresh fundamentals.
What tools and tech i use
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