I had two technical round
final HR round for salary discussion
first round was testing the skills on module you worked on
second round was your behaviour skills, communication and ur leadership
È stato un processo molto lineare, domande sia tecniche sia di leadership. Ho apprezzato molto il fatto che si sia svolto tutto in una unica sessione. Mi hanno risposto celermente.
Interview questions [1]
Question 1
Quale è stato uno degli errori peggiori che hai commesso e cosa ti ha insegnato ?
Recently attended an interview for a Data Engineer role.
The interview had multiple rounds covering SQL, Python, Airflow, GCP, and ETL concepts.
Some of the questions asked:
• SQL joins, window functions, dense_rank vs rank
• Finding duplicates and highest salary by department
• Python list/dictionary handling and basic scripting
• Airflow DAG flow, XComs, operators, scheduling
• GCS, Pub/Sub, Cloud Functions, and service accounts in GCP
• ETL pipeline design and data quality checks
• Scenario-based questions on handling failures and monitoring
The discussion was more practical and scenario-based rather than purely theoretical. They focused a lot on understanding the flow end-to-end and explaining concepts clearly.
Overall, it was a good learning experience and helped me understand areas I should improve further.
Sharing this in case it helps someone preparing for Data Engineering interviews.
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