Designs, develops, and optimizes complex T-SQL stored procedures, functions, indexes, views, and ETL routines in Microsoft SQL Server for high-volume transactional and reporting workloads, implements query tuning, indexing strategies, and execution-plan analysis to meet SLAs. Implements and supports Enterprise Transportation Management System (TMS) integrations and configurations, covering order tendering, routing, planning, shipment execution, EDI 204214990997, etc., ensuring data integrity across ERP, WMS, and partner networks.