Etl Developer Interview Questions

ETL Lead QA

Interviewed at Fitch Ratings

4★

Feb 19, 2021

1. Explain your test strategy in Agile 2. What are the Challenges you faced in Agile 3. Difference between Waterfall/Agile 4.SQL Queries on Join, Set operators 5.Explain automation testing flow 6.Difference between Java/Python and which is better? 7.What is immutable in Java? 8.Which one is loosely typed, strongly typed in python, Java? What is mean by loosely typed vs strongly typed? 9. How will you test NOSQL? 10.What is data frame in Python? 11. Write a code to create a excel in run time and load data into it using data frame?............................................................................

Senior ETL Developer

Interviewed at UnitedHealth Group

3.4★

Oct 13, 2017

loop up transformation d/f b/w connected and unconnencted look up

ETL Developer

Interviewed at UnitedHealth Group

3.4★

May 5, 2018

where are you from

ETL Expert

Interviewed at Vodafone

3.9★

Feb 25, 2024

How do you fit in this position?

ETL Developer

Interviewed at Vodafone

3.9★

Jun 1, 2022

Question regarding Talend ETL logic and SQL

Informatica ETL Developer/Programmer Analyst

Interviewed at Informatica

4★

Dec 7, 2018

Sql foreign key

Senior ETL Developer

Interviewed at Datamatics Global Services

3.3★

Mar 3, 2022

Average interview question were asked through out the process.

ETL/SQL Developer

Interviewed at Egen

4.2★

Jan 28, 2019

Started with a programming language which was not in my resume, They don't even know What kind of questions to ask whom

ETL Developer

Interviewed at Wells Fargo

3.5★

Nov 12, 2014

Questions were to very relevant to the job profile I applied for. Do brush up your unix.

ETL

Interviewed at Apexon

4.2★

Sep 28, 2025

how to remove dublicate n values in sql?