David Reisinger

Lead large-scale data engineering, conversion, and migration initiatives, architecting ETL pipelines that transform complex vendor datasets into Karpel's enterprise platform using C#, SQL Server, and T-SQL. Engineer scalable ingestion and integration pipelines supporting 30+ vendor conversions across heterogeneous source systems.

Designed and implemented a comprehensive data quality validation framework integrating data from the Amdocs platform into Spectrum's customized mobile validation system using SQL stored procedures. Developed SQL stored procedures to execute more than 100 predefined data quality checks.

Modernized legacy SQL Server/SSIS workloads into scalable Azure Data Factory and Azure SQL Hyperscale ETL/ELT pipelines. Designed and maintained enterprise pipelines supporting high-volume data extraction, ingestion, transformation, integration, and loading.

Designed Matillion ETL pipelines ingesting approximately 2.8 million Medicaid member claims from Amazon S3 into Redshift for downstream HEDIS processing. Developed SQL transformation/integration workflows using Matillion, Redshift, Snowflake, and Oracle.

Migrated legacy SSIS ETL packages and SQL Server processes from SQL Server 2012 to 2016. Supported SQL/ETL development, data integration, testing, troubleshooting, and deployment.

Led modernization of Florida Medicaid HEDIS ETL and data integration from Oracle/SSIS to Netezza, SnapLogic, and SQL-based platforms. Architected data warehouse and ETL solutions supporting laboratory and supplemental data, immunization registries, medical-record chart review, HEDIS reporting, and healthcare quality measurement.

Supported healthcare ETL pipelines integrating DB2 claims with Oracle, including SQL development, validation, reconciliation, and reporting.

Developed Oracle-to-SQL Server ETL pipelines, migrated data warehouse processes, and automated SSRS reporting.

Developed SQL Server databases, T-SQL, SSIS ETL pipelines, dimensional models, and BI solutions; optimized a legacy process from approximately 60 hours to 3 hours.

Performed systems, database, dependency, and requirements analysis supporting enterprise data-center migration.

Performed data mapping, ETL, conversion, validation, and integration across SQL Server, Sybase, FoxPro, and Oracle.

Developed SQL Server databases and applications supporting systems analysis, data analysis, and reporting.

Developed healthcare data warehouse and ETL solutions supporting HEDIS reporting, supplemental data, chart review, data validation, and annual NCQA HEDIS audits.

Provided senior analytical support in a healthcare setting.

Provided consulting services for application design and development.

Performed systems analysis and development tasks.

Associate Degree in Computer Science from Vatterott College.