Your question is Designing Robust ETL Pipelines. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Describe your process for designing and maintaining robust ETL pipelines.
Explain how you select ETL or ELT patterns, define source and target schemas, implement incremental and idempotent loads, manage dependencies with Apache Airflow, and validate data quality. Discuss testing, observability, failure recovery, schema evolution, backfills, documentation, and how you would safely deploy pipeline changes.