Sarah Marquardt
Arlington
Summary
Detail-oriented Data Processing Analyst with a proven track record in data transformation and automation. Successfully enhanced data accessibility for cross-functional teams, driving efficiency through the implementation of dynamic data pipelines and machine learning models.
Overview
3
3
years of professional experience
Work History
Data Processing Analyst
Data Trust
Arlington
07.2022 - Current
- Extracted, transformed, and delivered datasets exceeding 10 million records to enhance data accessibility for cross-functional teams.
- Designed and implemented a dynamic refresh system for cleansing and standardizing emails and phone numbers, ensuring real-time accuracy.
- Collaborated with cross-functional teams to develop Python application automating file uploads to AWS S3.
- Built SQL stored procedure for extracting and monitoring ethnicity, nationality, and religion data, increasing match rates by 60% through targeted refresh strategies.
- Automated extraction of unstructured Gmail data into structured SQL tables, processing hundreds of opt-out requests in under one minute.
- Created automated Azure data pipeline for processing consumer privacy opt-out requests, improving efficiency by reducing manual intervention.
- Developed machine-learning classification model to detect spam opt-out submissions, enhancing data security and privacy controls.
- Automated ingestion system processing over 1,000 daily opt-out requests, achieving an 80% reduction in execution time through Azure Data Factory.
Education
Bachelor of Science - Political Science
Pennsylvania State University
University Park, PA05-2022
Skills
Programming & Analytics:
Python, SQL, R, Pandas, scikit-learn, Seaborn, Matplotlib
Data Engineering & Platforms:
Databricks, Apache Spark, Azure Data Factory, Data Warehousing, ETL Pipelines, Pipeline Testing
Cloud & Integration:
Azure, API Integration, Third-Party System Integration, Stored Procedures (SQL), Data Ingestion & Transformation
Machine Learning:
Anomaly Detection, Feature Engineering, Model Evaluation (scikit-learn ecosystem)
Timeline
Data Processing Analyst
Data Trust
07.2022 - Current
Bachelor of Science - Political Science
Pennsylvania State University