Design, develop, and optimize complex T-SQL stored procedures, functions, and database objects for high-volume OLTP and Data Warehouse environments, with expertise in transaction isolation levels, table hints, deadlocks, linked servers, OPENQUERY, triggers, and column-level encryption. Develop and implement solutions in Microsoft PowerBI and Microsoft Fabric, including Lakehouse/Warehouse modeling, Dataflows Gen2, Pipelines, and Semantic Models; support the modernization of existing ETL and reporting assets into Fabric and Azure cloud-based frameworks.