"They asked me to design an end-to-end data pipeline that supports both batch and real-time processing using tools like Kafka, Spark, and a cloud platform like AWS or Azure. They were particularly interested in how I’d handle schema evolution and ensure data quality at each stage."
SQL and Python related questions.
About project design and implementation
Questions related to data modeling, DW design, metadata management, spark
Implement this function, describe how you would optimize, discuss runtime & complexity.
How will you model a OLTP and OLAP database ?
Technical questions on big data engineering
Backgroun técnico y motivación para buscar un cambio (hacen mucho incapié en el inglés)
Que ferramentas usa para construir uma pipeline de dados? E para monitoramento? Prefere ciência de dados ou engenharia de dados? Conte uma situação em que precisou convencer a cliente a mudar a direção do projeto.
What is polymorphism?
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