Marçal O.
Data Engineer

Skills

Tableau

Qlikview

Qlik Sense

Sql

Talend

Microsoft Sql Server

Oracle Database

Sap Erp

Mysql

Mongodb

Marçal is available for hire

Hire Marçal O.

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Bio

A seasoned professional with two decades of expertise in comprehensive Business Intelligence (BI) projects, encompassing all phases from Data Management and Data Warehousing to the delivery of final dashboards. Proficiencies include data gathering, dimensional modeling, ETL processes, and dashboard creation. Additionally, the individual has served in an architectural role, offering team support and contributing innovative ideas and solutions.

BI Consultant
1/1/2013 - 3/1/2016

Achieved proficiency in data gathering and data cleansing, ensuring high-quality and reliable datasets for analysis. Developed expertise in dimensional modeling, enabling the structuring of data into a format optimized for querying and reporting. Managed and optimized loading, integration, and ETL processes to facilitate efficient data flow and transformation. Created comprehensive and intuitive dashboards that visualize complex data, driving informed decision-making and insights for various stakeholders.
BI/DW Architect - Technical Leader
11/1/2010 - 12/1/2012

Migrated ETL processes in Datastage from Oracle to Teradata, showcasing strong expertise in both database systems. Provided support to key users in various BI systems, ensuring seamless integration and operation. Demonstrated proficiency in dimensional modeling and technical specification development, while also offering technical leadership throughout project execution.
Functional Analyst BI/DW
11/1/2009 - 8/1/2010

Gained technical expertise in dimensional modeling, ensuring efficient data organization and retrieval. Maintained ETL processes using Power Center, ensuring accurate and timely data integration across various systems. Managed and maintained reports using Cognos, delivering reliable and consistent business intelligence insights.
Functional Analyst BI/DW
9/1/2008 - 11/1/2009

Gained expertise in surveying, encompassing precise technical specification and dimensional modeling. Proficient in the construction of ETL processes, utilizing tools such as Power Center. Developed and implemented comprehensive managerial reporting using MicroStrategy, ensuring accurate and insightful data representation.
Technical Leader BI/DW - Senior Qlikview Consultant
6/1/2006 - Present

Excelled in requirement gathering, ensuring comprehensive business understanding and translating into actionable insights. Developed strong capabilities in dimensional modeling fundamental to the design and construction of efficient ETL processes. Demonstrated expertise in specifying and constructing management reports, as well as building dimensional cubes. Led multiple projects focusing on QlikView, including project development and the creation of proof of concepts (POC) for pre-sales engagements. Overall, honed skills in data analytics and reporting, leveraging QlikView to drive business intelligence outcomes.
BI/DW Specialist
1/1/2003 - 1/1/2008

Developed technical proficiency in creating detailed survey specifications and dimensional modeling for data analysis. Gained hands-on experience in constructing ETL processes using Power Center to ensure efficient data extraction, transformation, and loading. Demonstrated expertise in developing management reports utilizing business intelligence tools, and constructing analytical cubes with Hyperion Essbase. Played a key role in the implementation of data warehousing solutions, enhancing decision-making capabilities and operational efficiency.