Ana Martins
Data Engineer at Critical TechWorks- Claim this Profile
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Bio
Experience
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Critical TechWorks
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Portugal
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IT Services and IT Consulting
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700 & Above Employee
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Data Engineer
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Feb 2019 - Present
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SONAE
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Portugal
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Investment Management
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700 & Above Employee
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BI & Big Data Developer
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Nov 2016 - Jan 2019
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Business Intelligence Operations Team
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Jan 2015 - Oct 2016
- ETL Development (PL/SQL and IBM Infosphere Datastage on Hadoop)- Data modeling on Hadoop- Knowledge in Big Data ecosystem (Hive, Impala, MapReduce)- Data Warehouse- BI Tools (OBIEE, SSAS Olap, PowerPivots)- End-user supportMain ativities:- Developer in Agile Team implementing a database model in Hadoop (Hive) and migrate ETL from PL/SQL to IBM Datastage and Hadoop- Maintenance and monitoring of the Enterprise Data Warehouse production environment- Optimization and bug fixing in PL/SQL, OBIEE and PowerPivots- Implementation of data quality controls Show less
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Trainee - Auditing Department
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Sep 2014 - Jan 2015
Control environment definition for corporate information security based on international standards and frameworks, to be used as a guideline on internal audits.The standards used as basis were: - COBIT 5- ISO 27001- ISO 27002- NIST SP800-53- PCI-DSS
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Education
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2013 - 2015
Universidade do Minho
Post-Graduation, Systems Engineering -
Universidade do Minho
Bachelor of Science (BSc), Computer Engineering
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