Mason Piwonka
Business Intelligence Analyst i @ECU Health
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WORK HISTORY
Business Intelligence Analyst i @ECU Health
Wilmington, NC, US
Optimizing data lake performance through strategic partitioning, Z-ordering, and file compaction techniques, achieving 87% reduction in data load times while eliminating load failures and improving overall query response times- Leading Apache Spark adoption by implementing advanced optimization strategies including join optimization, query structuring, and performance tuning across PySpark/SparkSQL, demonstrating 42x performance improvements- Developing intelligent document processing solutions using Python OCR for unstructured PDF data extraction and implementing LLMs to transform and structure data according to business requirements- Implementing proactive Microsoft Fabric capacity management by applying the correct surge protection levels and automated notification systems to prevent overages- Implemented adjustable, reusable, and automated data quality validation using Great Expectations to ensure data integrity and reliability across data pipelines- Facilitating knowledge transfer and talent development through technical presentations, demonstrations, comprehensive documentation, and direct mentoring of a college intern.
EDUCATION
University of North Carolina at Wilmington
Bachelor of Business Administration - BBA
ABOUT MASON PIWONKA
Business Intelligence Analyst
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