Samuel Tamassia Martinez

Samuel tamassia martinez

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location of Samuel Tamassia MartinezSanto André, São Paulo, Brazil
Followers of Samuel Tamassia Martinez756 followers
  • Timeline

  • About me

    Project Manager | Software Engineering | Data Engineering

  • Education

    • Etec lauro gomes

      2006 - 2007
      Técnico em informática ciência da computação
    • Universidade presbiteriana mackenzie

      2013 - 2014
      Pós graduação análise de sistemas de computação
    • Faculdade de engenharia industrial

      2008 - 2011
      Bacharel em ciência da computação ciência da computação
  • Experience

    • Prescon informática

      Oct 2008 - Dec 2009
      Intern software developer

      Responsible for developing new features and fixing problems in the systems.Also responsible for creating and adjusting reports.The most common systems were the financial system and the logistical system made for public organizations Technologies: SQL server, Oracle, Visual Basic 6

    • Portugal telecom inovação, sa

      Jan 2011 - Feb 2014

      Main responsible for maintenance and improvement of the platform for bonuses and promotions. Also responsible for defining the releases scope and test scenarios.Some activities during this time:* Analysis and fixing production problems* Development of improvements in the platform* Intern orientation and trainments* Communication with other teams to define releases priorities and support for system faults Technologies: Java, Spring OSGi, Linux, Bash Scripting, Maven, OSGi, Apache Felix, Apache CXF, Apache ActiveMQ, JUnit, EasyMock, JSON, XML, Oracle DB Show less Maintenance and improvement of the platform for bonuses and promotions in telecom companies. Development and deployment of adjustments in this platform for some telecom companies in Brazil and Portugal.In this period, it was possible to evolve some code analysis skills and to learn more about back end architectures and technologies. It was also possible to train new members in those skills too.Technologies: Java, Spring OSGi, Linux, Bash Scripting, Maven, OSGi, Apache Felix, Apache CXF, Apache ActiveMQ, JUnit, EasyMock, JSON, XML, Oracle DB Show less At Portugal Telecom Inovação, the Intern program consisted in developing three different products over a year. All the products were focused in the telecommunications segment, which gave the possibility to work with some non functional requirements such as performance and maintainability. Another great point in this program is that it was possible to work on all phases of software development cycle.The main responsibilities were:* Software requirements specification* software architecture definition* the software development * testing New features developedTechnologies: Java, Linux, Maven, OSGi, Apache Felix, Apache CXF, Oracle DB Show less

      • Telecommunications Analyst

        Dec 2013 - Feb 2014
      • System Analyst

        Jan 2012 - Dec 2013
      • Intern Software Developer

        Jan 2011 - Jan 2012
    • Uol - universo online

      Mar 2014 - now

      Responsible for managing data engineering and data science teams that deliver data products across various company areas, including:- Data Extraction and Transformation Pipelines: Developing pipelines to populate the company's data lake, enabling data-driven decisions across all levels, from C-level executives to product analysts. This data is utilized in dashboards, analyses, and models.- Data Management Platform and Ad Tech Data Integrations: Creating data products that enhance campaign segmentation by leveraging the company's diverse data assets. These products improve advertisers' campaign results and support the advertising team in prospecting and acquiring new customers.- Recommendation Systems: Implementing AI-driven recommendation systems that increased the Click Through Rate (CTR) of recommendations by 11% on the company's website. These systems are also deployed to recommend news on partner sites and suggest company products in call center operations and the host platform panel. Show less

      • Gerente de projetos

        Jun 2024 - now
      • Project Coordinator

        Jan 2021 - May 2024
      • Software Specialist I

        Oct 2018 - Dec 2020
      • Senior Software Engineer

        Nov 2015 - Oct 2018
      • Outsourced Software Engineer

        Mar 2014 - Nov 2015
  • Licenses & Certifications