AZ-Data-Engineering-End-to-End
Modernizing On-Premises Infrastructure with Azure and Databricks
The Architecture: From Legacy to Cloud-Scale
This project represents a critical mission for a client looking to modernize and consolidate their disparate on-premises data systems. We engineered a robust Cloud-Native platform that bridges the gap between traditional SQL environments and the Era of Big Data.
On-Premises Ingestion
Everything starts at the source. We migrate critical business data from legacy on-premises Microsoft SQL Server databases using Azure Data Factory. This architecture ensures high-throughput, secure ingestion while maintaining full data integrity as it moves from on-prem to the cloud.
Modern Processing Power
We leverage the best-in-class processing engines: Azure Databricks for massive-scale Spark-based data transformations and Azure Synapse for enterprise-grade data warehousing. This dual-engine approach provides the flexibility to handle both unstructured batch processing and highly structured business analytics.
Medallion Lakehouse Architecture
At the center of the platform is a unified Azure Data Lake Gen2 account, organized into a rigorous Medallion pattern. Raw data lands in Bronze, is schema-validated and cleaned into Silver, and finally aggregated into optimized Gold datasets, creating a single, reliable source of truth for the organization.
Enterprise-Grade Insight Serving
Fueling decision-making across the board, Power BI dashboards are directly connected to the Gold layer. This ensures that every stakeholder, from analysts to executives, has access to the most up-to-date KPIs through intuitive, real-time reporting.
Unified Governance & Security
This isnt just a pipeline; it is a secured data ecosystem. We utilize Databricks Unity Catalog for centralized governance, Azure Active Directory for consistent identity management, and Azure Key Vault to safeguard all sensitive connection credentials and secrets.