Senior Data Analyst

I develop and maintain complex KPI dashboards using Power BI for remote freelance clients.

I perform data extraction and cleaning, customer segmentation, and anomaly identification to provide actionable analytical insights.

I developed and maintained Power BI KPI dashboards, improving data visualization and reporting efficiency by 30%.

I analyzed predictive models for fraud detection and customer segmentation, converting raw datasets into strategic business insights.

I cleaned large-scale delivery partner data for executive reporting and collaborated with product teams to validate machine learning outputs.

I also partnered with marketing on end-to-end campaigns and A/B tests to evaluate campaign performance.

I collaborated on statistical-model implementation using Python, PySpark, SQL Server, and GCP to improve client acquisition targeting.

I built a server-side data extraction automation tool for near-real-time campaign performance and engagement reporting.

I analyzed large datasets to identify anomalies and growth opportunities, helping mitigate loan prospecting risk through improved data structures.

I also supported end-to-end marketing campaigns and A/B testing.

I collaborated with global teams in Mexico and India to develop and deliver a critical sales system supporting client safety and operational continuity.

I managed and analyzed data at scale across 300 production servers using SQL optimization, sharding, and high-availability data structures.

I developed a Workflow Image Exchange system for ABN/Santander. Through SQL query optimization and PDCA,

I reduced failure rates by 20% and saved approximately 5,000 printed pages per month.

I worked as a Data Analyst and Senior Software Engineer in an on-site banking environment.

My role combined data analysis and software engineering responsibilities for ABN Amro Bank.

I worked as a Data Analyst and Senior Software Engineer in an on-site financial services environment.

I supported data-focused and software engineering initiatives for Bank Boston.

I worked as a Database Specialist for an AML system at Santander.

My responsibilities focused on database-related support within an on-site banking environment.

I worked as a Data Analyst supporting ABN Santander through Softing Systems.

I contributed to data analysis activities in an on-site banking environment.

Postgraduate program completed in Brazil.

MBA in Business Intelligence completed in Brazil.

Technical education in Data Processing completed in Brazil.