The WNS Power BI Developer interview involved technical questions on data modeling, DAX, visualization best practices, and SQL. It also assessed problem-solving, business understanding, and communication skills through scenario-based tasks, ensuring both technical expertise and client-oriented mindset were evaluated.
Self Introduction and difficulties faced in the project
Generic business and STAR related questions.
I gave the initial assessment test. I felt it had gone well for me but there was no selection/rejection mail sent.
Do you have relevant experience?
Why this position? Why this department,
Explain what waterfall methodolgy entails
Basic Power BI questions.
sum and sumx function in power bi
SQL JOIN, Row level security
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