Stack I use, tools I trust, and technologies that shaped me.

The languages, platforms and tools I work with daily — in production at Santander and in personal projects.

Banco de Dados / Databases

  • Oracle / PL/SQL

    Primary stack since the beginning of my career. Continuous use for 6+ years for developing and maintaining Datamarts at Santander.

  • SQL

    The foundation of all my data work. Present in every role for data extraction, processing and analysis.

BI & Visualização / BI & Visualization

  • Tableau

    Primary visualization tool. Strategic dashboards for decision-making on the Cards product since my internship.

  • Power BI

    Continuous use across multiple roles for building operational reports and KPIs.

  • Qlik

    Complementary BI tool used throughout my journey at Santander.

  • Excel (Avançado)

    Management reports and analytical studies. Used since my first job, at an advanced level.

Cloud & Big Data

  • Microsoft Azure

    Migration of Oracle/on-premise processes to the Cloud. Development of new processes on Azure in my current role.

  • Data Lake / Big Data

    Migration of Datamarts from Oracle to Data Lake and Big Data process development starting from the IT Analyst Jr role.

ETL & Integração / ETL & Integration

  • Pentaho

    Central ETL tool. Continuous use since my internship for data ingestion and transformation.

  • SSIS (Integration Services)

    Data integration between systems. Used across multiple roles as part of the data engineering stack.

  • SAS

    Statistical analysis and data processing. Part of the stack since the IT Analyst Jr role.