May 2018 – Mar 2021 · 2 yrs 10 mos · Munich Area, Germany

Aug 2016 – Jan 2018 · 1 yr 5 mos · Rio de Janeiro Area, Brazil

• Activities: Design and development of a full-stack web system for a real-time full scope thermoelectric simulator and for an operator training system. Restructure / refactor legacy simulation and training systems. Optimize throughput of the persistence layer (millions of events per second). Build a distributed processing backend for mathematical models of the simulator, using Akka.NET.
• Technologies used: C#, C++, Fortran, JavaScript, Akka.NET, Cassandra, SQL Server, Apache Kafka, Amazon ElastiCache/Redis, Amazon EC2, Docker, Amazon ECS, React.js, Redux.js, Immutable.js, SignalR for realtime visualization, Raphael.js, d3.js, Mocha.js, Chai.js.

Oct 2014 – Mar 2016 · 1 yr 5 mos · Rio de Janeiro Area, Brazil

• Responsible for the design, development, deployment, and maintenance of multiple data pipelines on AWS, including data extraction, transformation, analysis, and presentation. Focusing on scalable real-time and batch processing of ETL, Natural Language Processing, and Machine Learning pipelines.

Jan 2012 – Dec 2014 · 2 yrs 11 mos · Rio de Janeiro Area, Brazil

• Activities: Responsible for the design, development, deployment, and maintenance of a website about statistical info of the Petroleum, Gas and Bio-fuels industry.
• Technologies used: C# with ASP.NET MVC and JavaScript, Twitter Bootstrap, DevExpress XPO using SQL Server 2012, DevExpress Charts and d3.js for static and dynamic visualizations; Aspose.Cells for importing and exporting Excel spreadsheets; Lucene.NET for text searching; Migrator for database migration; Quartz.NET for scheduling pricing robots.

Feb 2009 – Jan 2012 · 2 yrs 11 mos · Rio de Janeiro Area, Brazil

• Activities: Development of new modules and maintenance of legacy ones for the RiskManager 7 software; Scrum Master during some Sprints
• Technologies used: C# with ASP.NET and ScriptSharp/JavaScript, DevExpress XPO using SQL Server 2008; Aspose.Cells for importing and exporting Excel spreadsheets; Unity as a dependency injection framework; Nunit, Typemock, and RhinoMocks for unit testing; Specflow and WebAii for automated functional testing; Visual Studio 2010 as an IDE (also used for performance evaluation for the web application).

May 2007 – Nov 2008 · 1 yr 6 mos · Rio de Janeiro Area, Brazil

• Clients: Petroleum Brazilian Institute (IBP), Rede Globo, Richards
• Activities: Technical coordination of development team in loco and on the virtual software factory; Architecture definition; Solution analysis and design, designing technical specifications of batch modules, online/web modules, SQL modules etc.; Planning, design and development of test plans and test scripts; Designing of deployment plans; Logical and physical database modeling.

Mar 2005 – May 2007 · 2 yrs 2 mos · Rio de Janeiro Area, Brazil

• Clients: Grupo Claro, Icatu Hartford, Scopus/Bradesco
• Activities: Function-Point Analysis; Analysis and design of internal and clients systems, designing technical specifications of batch, online/web and SQL modules; Planning, design and programming of test plans and test scripts; Design of deployment plans; Design of state models/phraseology for an IVR (Interactive Voice Response System); Logical and physical database modeling.

Jan 2005 – Feb 2007 · 2 yrs 1 mo · Rio de Janeiro Area, Brazil

• Activities: As a Systems Analyst/Developer: analysis, design and programming of a web application for route tracing using bus lines, given an origin and a destination, inside Rio de Janeiro State, minimizing time, distance or cost. As a Database Administrator: management, tuning and data mining of the SUS (Brazilian Health Unified System) database, with the goal of extracting many types of information about patients with AIDS, in an efficient way.
• Technologies used: ASP.NET/VB.NET + TransCAD Web + GISDK programming for route optimization; MS SQL Server.

Dec 2003 – Sep 2004 · 9 mos · Rio de Janeiro Area, Brazil

• Activities: Analysis, design and programming of a Metallic Structure Maintenance System (initially applied for petroleum offshore platforms), developed in C#/Visual Studio .NET and in Transact-SQL/ MS SQL Server, using a multitier architecture; development of a temporal database module over a relational DBMS.
• Technologies used: C#/Windows Forms, SharpGL (for visualization), Visual Source Safe, NUnit and MS Project.

Jul 2002 – Nov 2003 · 1 yr 4 mos · Rio de Janeiro Area, Brazil

• Activities: analysis, design and programming of a system called Estima 1.0, developed in C++ (GUI) with C++ Builder 5.0; interfacing with the simulator through DLLs (C++/Fortran).

Jan 2000 – Jun 2002 · 2 yrs 5 mos · Rio de Janeiro Area, Brazil

• Activities: Analysis and design of three modules for controlling all aspects related to the fiscal and taxation activities as well as a stamp system for the city of Niteri (0.5 million inhabitants) and their E-R models; team leadership, managing 5 developers; programming of some sub-modules in Delphi; stored procedures and triggers programming; database conversion.

Jan 1998 – Dec 1999 · 1 yr 11 mos · Rio de Janeiro Area, Brazil

• Activities: analysis, design and programming of the SimulPol 3.0 system (INPI No 00031540, April, 2000), using C++ Builder 4.0.