Real questions from top companies
Notebook Optimization Strategies?
Oozie workflow files (how many used)?
Present your findings and recommendations.
Primary Key vs. Secondary Key?
Propose a solution for monitoring and maintaining data quality across multiple regions.
Provide an example of a critical decision you made in a project and its impact.
RAM Working Principles
Rainwater Trapping Problem - solve with two-pointer technique
Reasons for seeking a change in employment.
Resolving service downtimes
Reverse operation for splitting values back to original format
SOLID Principles in Scala - describe with examples
Semaphore in OS and its Use Case
Serialization vs Deserialization
Share a challenging situation faced in projects.
Share experience handling a P1 issue.
Share experiences of quickly adapting to new technologies and tools in evolving project requirements.
Share good and bad experiences with past employers.
Share your journey as a Data Engineer
Shell commands for renaming a file?
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