Leonardo Petterin, BI Developer | Tableau | Power BI

Belo Investment Research

Sep 2022 – Present

Belo Horizonte, MG - Brazil

Tableau Specialist

Dashboard development using Tableau ETL process on SQL in Redshift and SQL Server databases Direct contact with the client to understand the project needs and what they want to see as result Knowledge transfer for other team members

Tata Consultancy Services

Dec 2021 – Sep 2022

São Paulo, SP - Brazil

Senior Tableau Developer

Understand the needs of the client to develop dashboards where they can track the goals achievement Be a link between the stakeholders and the backend team to help develop a data structure to be used in the dashboards Implement RLS rules to secure the users are seeing only their own or their team numbers in case of managers Develop a data model inside Tableau, relating many tables from different sources, to be able to relate the data in the visualization.

BTG Pactual

Oct 2019 – Oct 2021

São Paulo, SP - Brazil

Data Analyst

Construcion and update of dashboards to different areas, using Power BI for historical analisys and Grafana for real-time and intraday analysis. Web page development, using HTML, to work as a dashboards hub, making the access management more efficient and improving the user experience. Data extraction from a SQL Server database to update Excel spreadsheets for deeper analysis.

Arrow ECS Brazil

Jul 2017 – Aug 2019

São Paulo, SP - Brazil

Business Analyst

Dashboards development using Tableau and Power BI to Sales, Finance and Logistics teams. Division of customers base for sales team. Tableau Server Admin, managing licences and access levels. Development of a CRM system to manage the sales pipeline generated by the Field Sales team.

Leonardo Petterin

BI Developer | Tableau | Power BI

Skills