I got a take home assignment to build SPARK application on recipes dataset. The problem was easy but the expectations on the solution was very high. The code should be object-oriented, with config files, unit test cases, logging and alerting, exception handling. Extra points for CI/CD , etc
Questions about Dimension Modelling, AWS services, 3 sql queries and 3 python problems.
Python, SQL, Spark, Pyspark, AWS, Databricks, DWH
Agile Ceremonies and how to infra as a code
Explain spark architecture, spark hands on, types of transformation in spark, Sql queries and questions related to previous project.
Explain challenges you faced in delivering your work and how you handled them
Data Modelling scenario questions including OLTP, OLAP and schema designing. SQL queries
About my current role support activity n knowledge I have on the technology I was working on.
All average questions, Interviewer were of mediocre talent
Data related Technical Questions with average complexity
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