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André Luiz Cardoso
André Luiz Cardoso
Data Analyst | Blockchain Developer | Security & Compliance
My portfolio reflects a data-driven journey across analytics, blockchain and security. It starts with four years analyzing financial data, building dashboards and KPI frameworks, and assessing risk, the analytical core of how I work.
That foundation now extends into Web3: I design and test smart contracts and DeFi protocols in Solidity and Foundry, applying the same rigor to tokenomics and economic sustainability.
More recently, I've moved into security and GRC, identifying vulnerabilities, mapping controls and translating regulatory requirements (DORA, GDPR, ISO 27001) into auditable frameworks. The common thread is analytical precision applied to complex, structured problems. .
MY PORTFOLIO
MY PORTFOLIO
Credit and collections analysis using Excel and CRISP-DM. Applied bivariate analysis, correlation, IV, and descriptive stats to reduce default risk in a fintech with over R$30M in approved loans.
Sales and customer analysis using SQL Server and Power BI. Built a centralized SQL view to pre-calculate KPIs such as revenue, profit, and sales quantity, enabling streamlined analysis and clean integration in Power BI for the years 2010 to 2014.
Employee turnover analysis using Excel and descriptive analytics. Applied frequency analysis, cross-tabulation, correlation, and summary statistics to identify key retention drivers in a tech company with 1,470 employees.
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