dbt

The top 10 Python libraries for data engineering in 2026 revolutionize pipeline construction across orchestration, ingestion, quality, and storage—especially Prefect, SQLMesh, dlt, and Bytewax, which drastically reduce operational complexity and boost maintainability.

Data job requirements have shifted from SQL+Python basics to AI system building and data engineering capabilities, with LLM, RAG, data modeling and MLOps becoming new differentiators.

Monzo builds a governed data mesh across 100 teams and 12,000 dbt models.