SQL, pipelines, dbt, Airflow, streaming. The plumbing every modern data org runs on.

The five stages

SQL window functions, star schema, data partitioning, dbt fundamentals. Concept pages plus problems.

8 items2.5 hrs

Submit the Stage 1 boss to unlock

Advanced dbt, Airflow DAG design, ETL patterns, partitioning strategies. Medium problems with real pipeline scenarios.

Spark internals, CDC and Debezium, cloud warehouse cost optimisation. Hard problems with golden-answer comparison.

Company-tagged problems only. Required 15-minute simulator capstone. Completion generates a shareable certificate.