Exponentia.ai ETL Talend Developer Interview Questions and Answers

Q1. Describe your Past experiences
Ans. 
I have experience working as a Data Engineer in various industries, including healthcare and finance.
• Developed data pipelines to ingest, process, and analyze large datasets

• Implemented ETL processes to transform data into usable formats

• Worked with stakeholders to understand data requirements and deliver solutions

• Utilized tools like Apache Spark, Hadoop, and SQL for data processing

• Ensured data quality and integrity throu...read more
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Basic Python and SQL

Q1. Scenario Based questions
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Simple question.. easy to crack

Yet to attend the 2nd round

Q1. Yet to attend 2nd round
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Q2. Yet to attend this round
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Q1. Python related questions.
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Q2. Spark related questions and SQL queries.
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Basic sql online assessment with some queries and mcq

Q1. Explain project
Ans. 
Developed a data pipeline to ingest, process, and analyze customer behavior data for targeted marketing campaigns.
• Designed and implemented ETL processes to extract data from various sources

• Utilized Apache Spark for data processing and analysis

• Built machine learning models to predict customer behavior

• Collaborated with marketing team to optimize campaign strategies
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Q2. Pipeline optimization
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Q1. Behavioral question
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Basic Pyspark/python question with some mcqs

Q1. Project overview
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Q2. Pyspark, python , sql related questions.
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Q1. Basic technical question on spark and one python Dasa question and one sql
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Q2. Sql + python + spark + Adf + Databricks
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Q1. Why you want to join even though you have offers from good mnc
Ans. 
I am passionate about data engineering and believe this company offers unique opportunities for growth and learning.
• Exciting projects and challenges at this company

• Opportunities for growth and learning in data engineering

• Alignment with company values and culture

• Potential for career advancement and development

• Interest in the industry or specific technologies used by the company
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Q2. Salary expectations and work culture
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Q1. Basic SQL questions and Window fuctions
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Q1. HR asked how was the interview last round and gave me feedback
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Aptitude test has 70 questions to be done in 75 minutes. It's moderately tough but not very tough with right amount of preparation

I was from non-cs background so coding round was not mandatory but for cs people it was mandatory to clear it. It has SQL and python and they were easy to moderate. I am a fresher (imagineer) so we had to go this interview process

Q1. The interviewer was really nice and that went so smooth for me. 1. Asked questions from IC Engines and stuff 😄, as I was from mechanical 2.In coding, Sorting and Oops concepts were asked 3. Guessimates ...read more
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Q1. Typical HR questions
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1 hour, 2 coding and 20 MCQs

Q1. 1 hour deep discussion on data engineering
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Q1. Salary discussion, company policies etc
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