2 main algo questions are dynamic-programming requiring recursive implementations. Similar but different questions, and they need you to do everything from implementing helper classes to writing the actual test case AND printing out result in an expected way. Hard to get 100% right given the time limit (but I did just in time)
Previous projects that I had worked on involving data engineering.
Theoretical questions around Pig, Oozie, Airflow and Spark.
Given a tree of node structs having left child, right child, and next pointer data members, initialize the next pointers to point to next node on current level.
Q. Asked to design their architecture for them.
Explain your contribution in the most recent project, the issue you have faced and how you have resolved that.
they look for predictive models mostly.
Ingeniería da datos en general.
My previous experience with Power BI and with relational DBs
What is your area of interest in the telecommunications industry?
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