Software Engineer, Software Development & Architecture, Full Stack Developer and System

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WORKING AREA

-Software Engineer, Software Development & Architecture, Full Stack Developer and System Integration Architect.

SUMMARY

-I am a Software Engineer with experience on different industries, working for companies in segments as utilities, financial, foods & beverages, retail, chemical and manufacturing, in different countries and regions;

-For many years I have designed and developed applications using Java/JEE, SQL, JavaScript, C, Spring Framework, SAP PI/PO, Object Oriented Analysis, design and code optimization. That application had different purpose like manage insurance companies, banking automation, manage HR sector, access control, system integration, manage a chain of retail stores and MES (Manufactory Execution System), among others;I am authorized to work in the US for any employer.

TECHNICAL SKILLS

-Specialties:

• Programming Languages: Java, JavaScript, C/C++, SQL, XSLT, HTML5, CSS3;
• Architecture and Standards: JEE, Enterprise Integration Patterns, Web Service and OO analysis and design;
• Test Tools: JUnit and Jasmine; Data Interchange: JSON and XML; Database: Oracle and SQL Server;
• Frameworks/Libraries: Bootstrap, jQuery, Spring, Hibernate, Jersey and Struts;
• Application & Web Server: JBoss, Tomcat, SAP NetWeaver and GlasFish;
• Paradigms: AJAX, Object-Oriented Program, Scrum; VCS: git and GitHub; Deployment Tools: Maven and Ant
• Others: Responsive Web Designed, Offline Web Application and Web Tooling & Automation.

-Other experiences:

• Coordinator of the Java Users Group – BH/MG, Brazil (2000-2003);Editor of the Java Magazine writing about J2ME (2002); Instructor and Coordinator of Java/J2EE courses for the users group of BH/MG, Brazil (2000-2005);
• Official SAP NetWeaver Instructor(focus Java).

-SAP PI/PO

• The Architecture of SAP PI/PO with Single (Java Only) and Dual Stack (Java and ABAP);
• Java Mapping using SAX and DOM, XSLT Mapping, Graphical Mapping, Functions Libraries Java, UDF Java;
• Adapter Modules development (Java); Multi Mapping, RFC Lookup, Value Mapping;
• Development of several interfaces using different Adapters Type (SOAP, RFC, JDBC, File, XI, JMS, SFTP, IDOC AAE);
• Using ccBPM to match SAP and Legacy Systems with complex services and tasks;
• Integrated Configuration – AAE; iFlow (Integration Flow) / Integration Scenario;
• SLD (BS, TS, SC, etc), NWA Configuring and PI Object transfer;
• Tuning Concept, Message Priority Configuration, User Defined Message Search (UDS);
• Specifications, documentation, control, creating naming convention and management interfaces.

PROFESSIONAL EXPERIENCE

LASA – Lojas Americanas SA –Software Engineer (Jan/2012 – Current)

-Developed a system using JAX-WS Web Service to beaccessed by SAP PI/PO and legacy systems. The goal was to provide integration between ERP and a chain of retail with more than 900 stores;The system makes complex calculations in order to define/update, by region and usage habits, data of various products and promotions;

-Development of several Java mappings using SAX and DOM API to performer complex integration. The goal was to optimizer the integration between ERP and legacy systems. Some of the algorithms used improved performance in more than 10x;

-Maintenance and refactor in exists EJB's for the adherence of established standards (design Patterns) in order to increase performance and usability. Some correlated business rules were executed by different EJBs with similar logic;

-Development of Java UDFs (User Defined Functions) and Adapter Modules in order to optimizer the process of integration;

-Responsible to provide definitions to ABAP Programmers for SAP Retail Integrations;

-Maintenance of the front-end sales portal using HTML5, CSS3, JavaScript, AJAX, Bootstrap and jQuery.

SAP –SAP NetWeaver (Java) Official Instructor (Sep/2007 – Aug/2014)

-Instructor for SAP NetWeaver (focus Java).

ArcelorMittal Sistemas – Software Engineer (Jan/2008 – Dec/2011)

Software developer using JEE platform combined with various frameworks and technologies such as Spring, JSP, Servlet, EJB, Hibernate, Web Services and Struts;Project Lead working with Software Requirements;Worked as Front-End Web Developer using HTML,CSS, JavaScript and jQuery;Technical leader helping other developers on the project;SAP PI/PO activities.

Projects:

-GPAO – Worked on the GPAO MES System from the Usinor's (currently ArcelorMittal) Vega do Sul plant. Development of J2EE System, analysis, system specification, survey/management requisites, performance analysis and improvements of J2EE applications, performance analysis and improvements of SQL consultations. Utilization/maintenance of own Framework based on Struts; Development and maintenance of Enterprise Java Beans; Refactoring of the system for the adherence of established standards (Design Patterns).

-Brazil Rollout for Mexico – PI/PO Consultant responsible for the integration of systems related to a variety of SAP Modulus at Usina de Lázaro Cardenas. Creation of methodology for the integration of processes using SAP PI technology; Interfaces/Requirement management and coordinator. International project hosted on Michoacan (Mexico).

Infosys Technologies –Software Engineer and SAP PI/PO Principal Consultant (Jan/2006 – Dec/2008)

Development of JEE Systems to be integrated with SAP and Legacy Systems;System integration architect responsible for the integration between several legacy systems developed in Java and SAP ERP;Responsible for training Internal Team on SAP NetWeaver/Java;SAP PI/PO activities.

Projects:

-Syngenta - Latin America Business Transformation Study – Responsible for lead a portfolio analysis as part of Enterprise Architecture (EA) team to support a business transformation program for Latin America operation of a global Agricultural company (10+ USD Billion). Responsible for analyze the existing several SAP instances and 300+ satellite non SAP applications/systems across Latin regions and proposed the tailored TO-BE Enterprise Architecture landscape, which replacing obsolete applications/systems by utilizing the latest SAP solution/technologies, supports hyper growth agricultural business market in the following 5 years. International project hosted on Buenos Aires (Argentina) and Bogotá (Colombia).

-Bombardier Transport - SAP Rollout for Brazil – Global template for implementation and rollout for Brazil. Responsible for SAP PI interfaces between Bombardier ERP systems and Brazilian government systems to establish a consistent and secure messaging system for exchanging electronic invoices. Systems involved: SAP ECC/SAP PI 7.1/Mastersaf/FTP Servers.

-British Petroleum (PB, Acquisition) – Member of a systems support team being the only Brazilian and the others allocated in India and Houston; Help India/Houston team in understanding and troubleshooting issues of ERP (AMOS), electronic document manager (Livelink), collaboration tools (Sharepoint); Manage tickets and SLA’s using Remedy following ITIL V3 standards; Follow up updates, visits and solution of issues directly with suppliers of the products; Part of a Global IT team that worked on the migration of the software’s from Devon Energy to British Petroleum.

Vetta Technologies – Software Engineer (Nov/2004 – Dec/2005)

Development of J2EE Systems (JSP/Servlets/EJB/Hibernate/Struts/Tomcat), performance analysis and improvement of J2EE applications, performance analysis and SQL search improvements; usingown framework based on Struts; Development and maintenance of the Enterprise Java Beans; Refactoring of system for the adherence of established standards (design Patterns).

Projects:

-VegaL3, a MES – Manufacturing Execution System – for the Steel market, together with Alstom Power Conversion;

-UOL Sponsored Links, a high-availability online advertising Java software for #1 Brazilian ISP similar to Google AdWords.

PD Case Sistemas – Software Engineer (Jan/2004 – Dec/2005)

-Design and Development of Financial and Management Applications;Java developer using J2EE platform combined with variousframeworks and technologies such as JSP, Servlet, EJB, Hibernate, Web Services and Struts.

Unitech Tecnologia da Informação Ltda – Software Engineer (Sep/2002 – Jun/2003)

-Development of software for government of the state of Minas Gerais/Brazil using J2EE platform;

-Analysis, development and architectural designs of Government Billing Systems.

-Java developer using J2EE platform combined with various frameworks and technologies such as JSP, Servlet, EJB, Hibernate, Web Services, Struts, JDBC, Oracle 9i Application Server, Oracle 8i Database and Rational Rose.

Self-employed (Jun/1999 – Sep/2003) – Software Engineer (Jun/1999 – Sep/2003)

-Coordination, planning and creation of several courses (JAVA, JSP, Servlet, UML, OO) for the JAVA User’s Group of Belo Horizonte (BHJUG), CEMIG, Banco Rural, Fiat and other customers;

-A variety of systems for FCM (Fundação CEFET Minas, Centro Federal e Tecnológico);

Accenture – SAP XI/PI Principal Consultant (Jan/1999 – Aug/2002)

-PI Leader Consultant responsible for the integration of systems related to a variety of SAP and non-SAP scenarios;

-Development and maintenance of several interfaces using different Adapters type (SOAP, RFC, XI, JDBC, File, JMS, FTP and Proxy); Security, admin and performance activities for Process Integration; Configuration of SAP GRC NFe.

Telecash Tecnologia e Informações Ltda – System’s Analyst and C/C++ Developer (Jan/1996 – Dec/1999)

-Analysis and development of applications to be used in several terminals (Procomp, Verifone, Bull among others) and in Personal Computers with the aim of doing ETF (Electronic Transfer of Funds). Development of applications for the control of various petrol pumps; Analysis and elaboration of communication protocols.

LANGUAGES

-Portuguese – Native language; English – Professional working proficiency; Spanish – Professional working proficiency.

CERTIFICATES

-Sun Certified Java Programmer;Sun Certified Web Component Developer;Sun Certified Web Component Developer for J2EE 1.4;Sun Certified Enterprise Architect for J2EE Technology (Part I);SAP Certified Development Consultant SAP NetWeaver (focus Java).

ACADEMIC QUALIFICATIONS

-Course: Major in Information Technology with Emphasis on Software Engineering – 2004

University: UFMG – Federal University of Minas Gerais – Brazil

-Course: Technology in Data Processing – 1996

University: UNA – Centro Universitário de Ciências Gerenciais (University of Scientific Management) – Brazil

-Courses started but not concluded: Electrical Engineering (PUC-MG), Mathematics (UFMG)