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Real questions from top companies · hard
How would you ensure data quality and integrity in a data pipeline? Discuss the steps you would take to validate and cleanse data.
How would you ensure the system can handle millions of concurrent users?
How would you fetch data from an external API, and what AWS services would you use to build a scalable data pipeline?
How would you fix a client's failing reporting pipeline suffering from performance bottlenecks?
How would you handle late-arriving data in a real-time stream processing pipeline?
How would you handle schema changes in a production ETL pipeline?
How would you handle schema evolution in a real-time data system?
How would you implement a near real-time data pipeline for analyzing user behavior on the Adidas mobile app?
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