Freelance Data Analyst (Remote)
Analyzed and processed large datasets in support of data quality and consistency checks for downstream analytics and AI use. Automated cleaning and preprocessing to improve accuracy of structured inputs used in analysis. Produced insights via dashboards by identifying patterns and anomalies that can inform model development and data labeling quality. • Analyzed large datasets using Python and SQL • Automated data cleaning and preprocessing • Optimized SQL queries for efficiency • Built Tableau and Power BI dashboards for pattern/anomaly detection