Stephanie Hertl

• Developed 100+ PostgreSQL queries across 50+ AWS tables supporting data for 4.1M users. • Architected 30+ Tableau dashboards with over 400 visualizations, reducing ad hoc work 40%. • Established BigQuery for GA4 and optimized metrics, improving reporting accuracy 25%. • Resolved Airflow DAG failures, schema and refresh issues, improving ETL reliability 99%. • Configured 20+ Salesforce workflows and HubSpot integrations, improving media attribution.

• Produced 98%-clear, compliant image datasets that boosted recognition accuracy 12 - 22%. • Executed imaging at 3 - 5X throughput, delivering 500+ multi-ratio crops for rapid scaling. • Exceeded quality target by 46.5%, sustaining above average scores across 30+ evaluations. • Achieved 90% audited QA outcomes that met or exceeded expectations with low error rate. • Delivered 100% metadata accuracy, accelerating dataset growth, ingestion, and retraining.

• Scaled analytics infrastructure (dbt/GitHub) for 70+ new clients annually, netting +25% growth. • Drove data and analytics best practices during 6X company growth from 25 - 150+ employees. • Shifted data warehouse configuration to pre-sale, speeding client delivery 86% (14 to 2 days). • Oversaw 60+ client migrations, documenting DPAs, InfoSec, and Master Service Agreements. • Engineered SQL-based CRM record URLs for secure record access without PII exposure.

• Oversaw marketing data pipeline transformation for over 45 media and account managers. • Built executive report integrating $3M in spend and setting KPI benchmarks for 50+ accounts. • Leveraged SQL, regex, and case logic in BigQuery/BI tools to tailor high data volume clients. • Unified syntax, casing, and spacing logic to ensure 99% data integrity across environments. • Modeled multi-year data to forecast KPI trends with 90% accuracy on monthly goal targets.