It's good . Environment is friendly. No flaws as of now I can say. All went well. It's good . Environment is friendly. No flaws as of now I can say. All went well. It's good . Environment is friendly. No flaws as of now I can say. All went well.
Other Lead Data Engineer interview reviews for Cognizant
I applied through a recruiter. The process took 1 day. I interviewed at Cognizant (Bengaluru) in Sept 2025
Interview
overall they asked all fundamental questions on spark and Azure
with one ongoing project pipeline
fundamentals on Databricks concepts and DBFS
Azure Data Factory pipeline setup
How to handle streaming data . Eventhub and Kafka concepts
Interview questions [1]
Question 1
what are the optimization techniques on spark and provide example