Rafael Bertti

Background

About Rafael Bertti

Over 3 years of experience working as a Data Analyst with a background in Data Engineering, specializing in transforming complex data into strategic insights that drive business results.Throughout my career, I have built solid expertise in:• Developing and optimizing dashboards in Power BI, with advanced proficiency in DAX and Power Query;• Data processing and analysis using Python and SQL;• Implementing end-to-end solutions, from data collection to visualization;• Closely collaborating with stakeholders to translate business needs into technical solutions.Key achievements during my journey include:• Developing analyses that contributed to over BRL 4M in new contracts;• Creating one of the top 5 most-accessed reports among in the company;• Optimizing dashboard performance, achieving a 10% improvement;• Leading Tableau-to-Power BI migration projects in the Risk and Fraud sector.Currently pursuing a Statistics degree at FMU and continuously keeping up with the latest trends in data analysis and business intelligence.Feel free to contact me through LinkedIn or the other ways below:+5512982959960rafaellsbertti@outlook.com Expertise: Data Analysis | Big Data | SQL | Python | R | Tableau | Power BI | Data Visualization | Data Modeling | ETL | Data Mining | Machine Learning | Statistics | Data Science | Hadoop | Spark | Databases | Advanced Excel | Predictive Analysis | Data Transformation.