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Skills
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João Cruz

João Cruz

Data Warehouse Specialist
Lisbon,Lisbon

Summary

Self-motivated professional with over 15 years of hands-on experience in warehouse data management. Extensive expertise is a result of dedicated work in this field, and it reflects a deep understanding of the intricacies and challenges involved in managing data warehouse environments.

Overview

24
24
years of professional experience
1
1
Certification

Work History

Data Warehouse Architect

DoValue Portugal
09.2019 - Current

Data Warehouse for Zarco STC (Banco de Portugal Reporting):

  • Responsible for Data requirements analysis
  • Responsible for Data Design
  • Responsible for Data modeling (following Kimball's Approach)
  • Responsible for ETL (Extraction, Transformation, and Loading)
  • Responsible for Data Quality
  • Responsible for Data testing
  • Responsible for Data delivery

Data Warehouse for DoValue Portugal:

  • Responsible for data requirements gathering
  • Responsible for business analysis
  • Responsible for data warehouse design
  • Responsible for data warehouse modeling (following Kimball's Approach)
  • Responsible for ETL (Extraction, Transformation, and Loading)
  • Responsible for data testing
  • Responsible for data delivery
  • Responsible for documentation

Reporting Solution:

  • Responsible for data requirements analysis.
  • Responsible for data design.
  • Responsible for data modeling.
  • Responsible for ETL (Extraction, Transformation, and Loading).
  • Responsible for data testing.
  • Responsible for data delivery.
  • Handling reporting tasks.

Senior Data Warehouse Developer Consultant

Closer Consulting
12.2018 - 08.2019
  • Data and model analysis and evolutionary implementation solutions of business models
  • Extraction and integration of data from data warehouse and current core operational system into new core operational system.

Data Analyst

Euroconsumers
12.2013 - 12.2018
  • Participated in requirements meetings to understand business needs.
  • Gathered information on operational reporting needs from local stakeholders and group stakeholders.
  • Identified operational reports in use and those to be migrated.
  • Presented findings to group stakeholders.
  • Determined the root cause of data quality errors and recommended long-term solutions.
  • Promoted workaround solutions for addressing data quality issues in the Data Warehouse.

Business Intelligence Specialist

Euroconsumers
04.2010 - 11.2013
  • Responsible for data requirements gathering.
  • Conducted data requirements analysis.
  • Designed data warehouse
  • Modeled data warehouse, following the Kimball's Approach.
  • Managed the ETL (Extraction, Transformation, and Loading) process.
  • Conducted data testing.
  • Oversaw data delivery.
  • Provided documentation for the project.

Data Warehouse Architect

Freelancer
09.2009 - 01.2010
  • Responsible for data requirements gathering.
  • Conducted data requirements analysis.
  • Designed the data warehouse.
  • Modeled the data warehouse, following the Kimball's Approach.
  • Managed the ETL (Extraction, Transformation, and Loading) process.
  • Provided documentation for the project.

Data Warehouse Architect

Radiomóvel
09.2007 - 05.2009
  • Conducted data requirements analysis.
  • Modeled the data warehouse, following the Kimball's Approach.
  • Managed the ETL (Extraction, Transformation, and Loading) process.
  • Conducted data testing.

Senior Data Warehouse Developer Consultant

Worldvision Consulting
01.2006 - 03.2007
  • Team Management
  • Data Requirements Analysis
  • Data Design
  • Data Modeling (Kimball's Approach)
  • ETL (Extraction, Transformation, and Loading)
  • Data Testing
  • Data Delivery

Senior Data Warehouse Developer Consultant

Novabase
01.2000 - 12.2005
  • Team Management
  • Data Requirements Analysis
  • Data Design
  • Data Modeling (Kimball's Approach)
  • ETL (Extraction, Transformation, and Loading)
  • Data Testing
  • Data Delivery
  • Reporting
  • Reporting User Training

Education

Master of Science - Information Technology

Universidade Autónoma De Lisboa
Lisbon, Portugal
06.2006

Skills

  • Data Analytics
  • Data Warehousing Expertise
  • Business Intelligence
  • Data Integrity
  • Data Repositories
  • Data Warehouse Processing
  • Databases
  • Scripting
  • SQL
  • ETL Processes

Certification

Prince2 Foundation

License Number: GR633031229JC

Languages

English
Upper intermediate (B2)
Spanish
Elementary (A2)

Additional Information

Professional Background:

  • Job Roles: Data Team Leader, Data Warehouse Architect, Data Analyst, ETL Developer.

Project Experience:

  • Worked on DSS (Decision Support Systems) projects in various industries, including Telecommunications, Banking, Retail Services, Food Services, Utilities, Automotive Services, Editorial Services, Credit Servicing, and Real Estate Management.
  • Utilized development methodologies such as Waterfall and Agile for Data Warehouses.
  • Employed the Kimball design methodology for Data Warehouses.

Technology Expertise:

  • Databases: Oracle, SQL Server.
  • ETL Tools: Bourne/Korn Shell, Awk, SQL, PL/SQL, Transact-SQL, Oracle Warehouse Builder, SQL Server Integration Services.
  • BI Tools: MicroStrategy, Oracle Business Intelligence Enterprise Edition.
  • Others: Oracle Data Modeler.

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Quote

Every problem is a gift—without problems we would not grow.
Tony Robbins

Timeline

Data Warehouse Architect

DoValue Portugal
09.2019 - Current

Senior Data Warehouse Developer Consultant

Closer Consulting
12.2018 - 08.2019

Data Analyst

Euroconsumers
12.2013 - 12.2018

Business Intelligence Specialist

Euroconsumers
04.2010 - 11.2013

Data Warehouse Architect

Freelancer
09.2009 - 01.2010

Data Warehouse Architect

Radiomóvel
09.2007 - 05.2009

Senior Data Warehouse Developer Consultant

Worldvision Consulting
01.2006 - 03.2007

Senior Data Warehouse Developer Consultant

Novabase
01.2000 - 12.2005

Master of Science - Information Technology

Universidade Autónoma De Lisboa
João CruzData Warehouse Specialist