Used SQL
Data Analysis
While digging into the internal data of the company for fraud analysis, I had the chance to spot a problem with the data categorization of fraudulent transactions, which was drastically reducing the KPIs of one of the most important countries in terms of market size for the company. 

It had been a problem the company was struggling with for months. 

After generating a business report, I shared the findings with the leadership round, which applied the appropriate changes.