Interview question
Design idempotent Airflow DAG for daily ETL
Asked in BNP Paribas Switzerland Data Engineer interviews
Asked by
28% candidates
Difficulty
Medium
Round
Technical Round
AI synthesized from candidate reports
Question 1 of 4
Design idempotent Airflow DAG for daily ETL
Medium59% Candidate ReportsSYSTEM DESIGNBNP Paribas SwitzerlandData Engineer
Question
Design idempotent Airflow DAG for daily ETL
High-Level Approach
Partition by key, idempotent consumers, retry topic with backoff, DLQ with alerting.