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Lead Data Engineer Interview Questions
237 lead data engineer interview questions shared by candidates
do you have experience in data quality?
Purely googled! What was your failure
How would you improve performance of spark jobs Describe current technology landscape Describe the business value of your recent project
End to end ETL pipeline
1.write singleton class 2.write a code in Java which demonstrate Deadlock. 3.Given two tables employee(empire,name,salary,deptid) Department (deptid,dept_name) Find 2nd highest salary dept wise 4.print zigzag star pattern 5.find next greater permutation Input:"21345" Output:"21354" 6.Implement EventOnlyIterator Input:[1,1,2,2,2,3,3,5,6,9,9] Output:2 2 2 6
basic programs
Typical data engineering stuff, like batch or steaming pipeline etc.
explain your experience in data engineering
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