Selected engagements presented as anonymised case studies. Client identifiers, hostnames, and confidential details are omitted.
Creator and Sole Developer
Design and development of a browser-based tool for visualizing and analyzing MongoDB explain plan output, covering the classic and Slot-Based Execution engines across MongoDB 4 through 7.
Database Architect and Lead DBA
Design and implementation of a PostgreSQL pgvector platform for semantic document search, including HNSW index strategy, connection pooling architecture, and operational monitoring.
Database Solutions Lead
Design and migration of a multi-database SQL Server Always On Availability Group environment from on-premises FCI to Azure VMs, including storage optimisation and Azure Monitor integration.
Lead Database Architect and Migration Lead
Migration of a multi-instance Oracle 11g environment to Oracle 19c RAC with Active Data Guard, including performance baseline establishment and zero-downtime cutover planning.