Database architect and data engineering specialist. Designing high-performance, mission-critical data systems across Oracle, SQL Server, and cloud platforms — for over three decades.
Expert-level design and administration of Oracle, SQL Server, PostgreSQL, and MongoDB. Physical and logical modeling, partitioning, clustering, and HA configurations for mission-critical environments.
Query and index optimization achieving up to 80% performance improvements. Execution plan analysis, stored procedure tuning, and workload management across Oracle 11g/12c and SQL Server environments.
End-to-end cloud migrations to AWS RDS, Azure SQL, and Snowflake with zero downtime. Unified data lake architecture using S3, Glue, Azure Data Fabric for predictive analytics pipelines.
Dimensional modeling (Kimball). Full ETL lifecycle development with SSIS. Data Warehouse projects spanning marketing, CRM, and tax domains. Power BI, Tableau, Qlik Sense integrations.
SAP SD, Microsoft Dynamics 365, Siebel CRM, Oracle EBS/OTM. RESTful and SOAP Web API design with OAuth 2.0, JWT, and Microsoft Graph security frameworks.
Encryption, access policies, and audit frameworks for LGPD and SOX. Backup strategy, disaster recovery, and high-availability using Veeam. Zero-downtime migration track record.
Led the Database team, defining backup, recovery and high-availability policies. Designed and executed on-premises → AWS RDS migrations. Spearheaded Marketing Data Warehouse with Kimball dimensional modeling and SSIS. Achieved up to 60% query performance improvements across Oracle 11g/12c and SQL Server.
Architected the Deloitte corporate portal with SAP and Microsoft Dynamics 365 ERP integration. Developed Salesforce revenue reporting. CRM Data Warehouse on Qlik Sense and Snowflake. SQL Server 2012 → 2022 migration with zero downtime. 80% performance gains on Oracle and SQL Server.
SPED Fiscal and Contributions BI calculations. Managed Azure Data Gateway, built ETL pipelines and Power BI dashboards. On-premises → Azure SQL migration with zero downtime. Azure Data Fabric architecture for structured and semi-structured predictive analytics.
Technical lead for pre-sales, billing, and ordering systems across Huawei Cloud, Oracle Cloud, and Azure. Implemented high-availability DMZ and multi-cloud architectures. Siebel CRM / Oracle EBS integrations. 60% query performance improvement across Oracle and SQL Server environments.
SAP system integrations for sales, contracts, freight, and scheduling processes. Oracle PL/SQL procedure and package development. Query and index tuning achieving up to 80% improvement on Oracle 11g/12c and SQL Server 2012/2014.
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Senior data engineering positions and strategic consulting. Specializing in large-scale database architecture, cloud migration, and performance optimization.