I applied online. The process took 2 weeks. I interviewed at Happiest Minds Technologies (Bengaluru) in Jul 2023
Interview
Interview process was 2 weeks, two technical, one manager and HR rounds. Above average complexity. Must know breadth of skills. Should be good in new technologies. Recommend to focus on Data lake ,and platform skills.
Interview questions [1]
Question 1
Spark Architecture Python and SQL logics Knowledge on MPP databases.
3 technical rounds around sql, python, pyspark, data processing and logic building . they want to see your approach to the questions and clarity of thoughts. interviewers are really nice and helpful
ETL (Extract, Transform, Load): Understanding the process of extracting data from sources, transforming it into a usable format, and loading it into data storage systems.
ELT (Extract, Load, Transform): A modern variant where data is loaded first and then transformed.
Data Workflow Orchestration: Tools like Apache Airflow, Prefect, or Luigi for automating and scheduling data workflows.
Top companies for "Compensation and Benefits" near you
