Helped to build Forecast as a Service using Apache PySpark, with SArima and Neural Networks algorithms.Developed a customer engagement classification using Spark MLLib with GMM.Participated as a member of the team that build Eleflow Uberdata, spark cloud based environment, using Spark 2.1, Zeppelin, XGBoost and sparktimeseries.Built a product to parse and process CDR (Call Duration Record) files, store and calculate call duration and costs, with Yarn, Spark and Apache Hive in Ambari. Responsible for a RedShift Datalake Architecture project, build for financial reports.

Teaching the disciplines of Object Oriented Language (Java), Practical Laboratory Language (Java), Structured Programming Language (C#), Distributed Systems (teory) and Operational Systems Laboratory (Linux) for the Computer Science Major.

Worked in the team that developed the Paguemob backend of a virtual wallet system. Activities in this company include: software development using Scala, Akka, Slick, Play and Postgres, to store user data, and credit card data in a PCI certified environment. Webservices to send emails, sms and to capture credit card transactions.Paguemob is a company that develops an exciting virtual wallet platform providing the user the experience to realize payments using mobile devices.

Part of the team that develops software to handle the offers data scanned from online websites, and the catalog of products relative to these offers. This software classifies, stores the offer data, associates the offers to the correct products, adds products to the catalog and exports the offers data.

Worked as a member of the team that develops Maximo Industry Solutions, an enterprise asset management software. Activities in this company include: development of new applications from scratch and cloned applications, creation and modification of user interface and system metadata and fixing bug at Maximo Industry Solutions, including Maximo for Transportation, Maximo for Mobile, Maximo for Transmission and Distribution, Maximo for Utilities, Maximo for Oil and Gas and Maximo for Service Providers. The maximo software development uses the Maximo and Maximo Mobile Framework, internal developed framework.

Participated as a member of the team that developed a logistic software. Development activities in this company included (i) automatising of tests for the integration system using Hibernate and Spring, and (ii) refactoring  a system to convert a 2 layers into a 3 layers system, using Factory, Facade and Adapter design patterns.  Also responsible for implementing the Continuous Integration process, including software evaluation, CruiseControl installation, building server tool, building refactoring which have included the execution of the unit tests during the built process and implementing Emma for code coverage.

Responsible for developing the stock control system, planning, programming, buying control and production control software. The software was integrally implemented using Java 5, Swing and Hibernate 3.1. Responsible for the management, installation and configuration of the database server Postgres, file server Samba, Internet server and proxy server Squid.