- Working as a freelancer in software development projects, providing training and consulting.
- Software process improvement consultant and appraiser at Implementum Information Technology Consulting since November 2013
- Software Engineer at Petrobras from August 2012 to December 2016
- Since January 2015 working at the Software Engineering Processes and Methodologies department (equivalent to the Software Engineering Process Group – SEPG – plus software process measurement and analysis) of Petrobras (Petróleo Brasileiro S.A.: http://www.petrobras.com.br/) with statistical analysis on software engineering process performance to understand and explain projects’ performance and propose solutions to improve productivity and schedule predictability.
- Until December 2014 worked with Software Process Improvement and other initiatives at the Lotus Notes development to keep the 4 development teams' (around 20 people) performance aligned with corporate performance indicators and objectives by improving our development process. This was accomplished by aggressively reducing software defects (around 14.5% of the teams' effort was spent fixing defects in January 2013; this was reduced to 0.3% in December 2013). Other goals achieved in the period include 100% of software acceptance (all projects are accepted by clients at the first demonstration) and effort/cost/schedule estimations accuracy error varying less than 10%.
- System architect at Portal Kaino from August 2013 to October 2016
- Responsible for defining the architecture and development/test/production environments, selecting and integrating components and frameworks besides developing some of Kaino Portal's backend. Kaino Portal is a software engineering process innovation portal developed with the Java EE 7 stack (CDI, EJB 3.1, JSF and Servlets) using JBoss 7.1.1, PrimeFaces 4.0, JPA, Apache Shiro, OmniFaces and PostgreSQL as SGBD. It was launched in April 2014 (Kaino: http://kaino.se-er.com/).
- Software Process Improvement consultant at COPPE/UFRJ from June 2006 to November 2013
- Software process improvement (SPI) consultant for the MPS.BR process improvement model (a Brazilian equivalent to CMMI) at COPPE/UFRJ (COPPE/UFRJ: http://www.coppe.ufrj.br/).
- Scrum Fundamentals exam Leader at Knowledge Black Belt from January 2011 to January 2013
- System Architect at Stefanini from May to July 2012
- Worked with design and evaluation of Java systems' architectures and artifacts, building and running proofs of concepts, development team technical leading, active participation in the software architecture organization committee for the Caixa Econômica Federal (Brazilian’s Federal Bank) besides support and guidance on organizational software development process definition and improvement (SPI) based on MPS.BR and CMMI models and Scrum practices at Stefanini (Stefanini: http://stefanini.com/en/).
- Java developer at Nabble from April to December 2011
- Java developer fixing bugs, providing user support, optimizing advertisement / revenue and other minor programming projects as an independent consultant for Nabble (Nabble: http://www.nabble.com/).
- Technical leader at WorkingMinds from August to November 2010
- Requirements analyst and system architect at Computer Science Department of Federal University of Rio de Janeiro from July 2009 to August 2010
- Requirements analyst and system architect at Computer Science Department at Federal University of Rio de Janeiro (DCC/UFRJ: http://www.dcc.ufrj.br/) on a joint project with Rio de Janeiro State’s Military Police (PMERJ: http://www.policiamilitar.rj.gov.br/) and Rio de Janeiro State’s Research Support Foundation (FAPERJ: http://www.faperj.br/) to build a Java software for weaponry allocation and management control for PMERJ. The software features biometric identification of military personnel as well as visual identification of the weapons using neural networks.
- Requirements analyst and system architect on SMER Project, supported by Rio de Janeiro State’s Research Support Foundation (FAPERJ: http://www.faperj.br/). The goal of the project was to develop a Java prototype capable of identifying geographic positions of individuals carrying encoded radio transmitters featuring voice recognition besides monitoring troops’ positions by GPS aiming to facilitate missions in urban areas.
- Defined a software process based on Scrum and compliant to MPS.BR’s level G to be used by the SMER’s team as part of a Software Process Improvement (SPI) initiative. Level G is equivalent to Project Monitoring and Control (PMC), Project Planning (PP) and Requirements Management (REQM) CMMI processes.
- Software Process Improvement consultant to Geo System from 2008 to 2009
- Consulting for implementing software
process improvements (SPI) toward MPS level G (appraised at September 16th, 09)
at Geo System Informática (Geo System: http://www.geosystem.com.br/) while
working for COPPE/UFRJ (COPPE/UFRJ: http://www.coppe.ufrj.br/). Level G
is equivalent to Project Monitoring and Control (PMC), Project Planning (PP)
and Requirements Management (REQM) CMMI processes.
- Requirements analyst and Java developer at Provayo from January 2009 to June 2009
- Built a professional social network in Java EE 5, Spring, Apache Wicket, Maven and MySQL. Provayo was a NYC based startup and I worked as an independent consultant.
- Also developed a software development process to be used to develop new features at the application as part of a Software Process Improvement (SPI) initiative based on MPS.BR and CMMI.
- Requirements analyst and Java developer at COPPE/UFRJ’s Software Engineering Laboratory from December 2005 to January 2009
- Requirements analyst and Java developer at Taba Web at COPPE’s Software Engineering Laboratory (LENS: http://lens.cos.ufrj.br/) using Java EE 5 running on a level E MPS process (equivalent to CMMI level 2 plus Integrated Project Management (IPM), Organizational Process Definition (OPD), Organizational Training (OT) among other processes).
The Estação TABA is a software development environment which supports the execution of activities to be accomplished in a software process by a set of integrated tools and a repository with information collected during the project's process execution (TABA: http://lens.cos.ufrj.br/taba).
The system was developed in Java on JBoss 4.2.2 and 5.0 using JSF (with RichFaces and Facelets), Log4J, EJB 3.0 and JPA, JSFUnit, JUnit and JUnitB3 for automated testing, having Oracle as target DBMS, but keeping portability to other DBMS.
- Software Process Improvement consultant to Vertigo Computação from July 2006 to September 2007
- Consulting for implementing software process improvements (SPI) toward MPS level G (appraised at September 2007) at Vertigo Computação (Vertigo Computação: http://www.vertigo.com.br/) while working for COPPE/UFRJ (COPPE/UFRJ: http://www.coppe.ufrj.br/). Level G is equivalent to Project Monitoring and Control (PMC), Project Planning (PP) and Requirements Management (REQM) CMMI processes.
- Applied Mathematics Laboratory (LabMA) of UFRJ’s Mathematics Institute from October to November 2005
- Java developer of applets (in Java SE 1.4) for an educational project addressed to high school for the Rio de Janeiro state's Educational Secretary at Applied Mathematics Laboratory (LabMA: http://www.labma.ufrj.br/) at Mathematics Institute/UFRJ (IM: http://www.im.ufrj.br/).
- System analysis, architecture and project management consultant to UFRJ's Informatics Student Union from July to October 2005
- Consulting on requirements analysis, architecture and project management to UFRJ's Informatics Student Union (CAInfo UFRJ: http://cainfo.dcc.ufrj.br/) on the development of a Site and a System, both in Java EE, to manage jobs exam competitions for Fundação José Pelúcio Ferreira, UFRJ supporting foundation, based on Tomcat and MS SQL Server.
- Java developer at COPPE/UFRJ’s Database Laboratory from January to September 2005
- Java developer on the Downstream Competence Management System to manage training, certification and professional capability of Petrobras (Petrobras: http://www.petrobras.com.br) employees, with Java EE (1.4) technology (EJB 2.1, Struts, JSP and Servlets) and Oracle at Database Laboratory at COPPE/UFRJ.
- Requirements analyst and system architect, project manager and technical leader at Computer Science Department – UFRJ from March 2004 to January 2006
- March 2004 to October 2005 - Requirements analysis, architecture and project definition of an integrated development and research environment of logic and artificial intelligence to the Computer Science Department at UFRJ (DCC: http://www.dcc.ufrj.br/) in Java/J2SE, using UML, MVC2 architecture, automated tests and design patterns.
- March to April 2004 – Lecturing a course to the development team on UML and Java SE. Still on system analysis and modeling.
- March to April 2004 – Project's site development in PHP (JPE: http://jpe.dcc.ufrj.br/).
- April 2004 to October 2005 – Project management using incremental development model, adopting extreme programming (XP) practices. Project documentation was based on RUP's artifacts.
- Requirements analyst and Java developer at COPPE/PESC from January to September 2004
- Full-stack software engineer (from requirements level to production) of a selection process management system for M.Sc. and D.Sc. courses at COPPE/UFRJ (PESC: http://www.cos.ufrj.br/) with Java/J2EE initially in Tomcat and JBoss afterwards with MySQL database.
- Java Developer at UFRJ’s Mathematical and Natural Sciences Center in 2003
- Development of a flexible library of mathematical Java applets for educational purposes for the UFRJ’s Mathematical and Natural Sciences Center (CCMN: http://www.ccmn.ufrj.br/).
- Project Manager, developer and Requirements analyst at Micro informatics Consultancy Junior Enterprise from February to December 2002
- Project manager, developer, requirements analyst, consultant and marketing and public relationship director at Micro informatics Consultancy Junior Enterprise (EjCM: http://www.ejcm.com.br/).