Walter Villafañe

I'm working on different projects in the company mostly related to the social network (backend side), participating in design, analysis, development and deployment. SpringWeb, REST, MongoDB, Apache Kafka, Java multithreading. AWS: Cloudfront, S3, SQS, SNS, EC2, Cloudfront. Go, WebRTC Some machine learning with opennlp.

Java development with GWT, Spring Framework, Spring security, Oracle, GIT. Working on internal software development for the Chicago Merchantile Exchange (https://www.cmegroup.com)

Development for a middleware messaging software for the Citibank client. Main technologies are: Java SE, Spring Container, XML and XSLT, Web Services, IBM MQ. - Development of a client administration web application for Comafi Bank (Local Argentinean Bank). Technologies: JSP, Javascript, RichFaces 3.3, Spring Container 3, Hibernate, SQL Server 2008 - Project Monitoring and Control and Resource training. 70 to 90% of the time with development and 30 to 10% leading the team.

Development of a Domain Driven Design tool for personal purposes. The main idea is to develop a CRM with this tool. - Whole Spring 3.0 package including Roo. - Basics of: JBPM, Application Integration Patterns, SOA Patterns and general problems of EAI. - The correct role of SOA, BPM, BPEL and ESB in EAI, from the business and IT point of view - BPMN 2.0 and BPEL 2.0.

My tasks involved working with different roles all the time: 70% with development and architecture and 30% as a project leader. - Management of 4 software projects including product enhancements working with CMMI methodologies, bringing to the directory. - In charge of 6 – 10 IT professionals. -Technical decisions and Sofware Architecture - Task definition for the resources. - Project Monitoring and Control. - Resource training.

Participation in the development team of the INDRA Software Factory for Argentina as team-group leader (Process agent) inside the INDRA projects. Application of methodologies of organization and methods (RUP like) to software development with big quantity of programmers. - J2EE Architecture: With almost all the associate technologies: Java, Swing, Applets, Java Beans, EJB, EJB Containers (Oracle Application Server, OC4J), JNDI, RMI. - XML, XSL/XSLT, DOM. - RUP, Rational Test Team, Rational Rose.

In this institution I taught these courses - Visual Basic Fundamentals, Development and Enterprise Development. - ASP I and II. - C++ and ANSI C. - VC++ 6.0 with MFC, the two levels. - Implementing a database design with SQL Server 7.0 and 2000

From this date I started working in an independent form for different clients. - Intranet development (XML, ASP, IIS, SQL Server, Windows 2000). - Device driver development for tape driver under Windows NT. (VC++, Win NT 4.0) - Development of an application that allows sending files through TCP/IP with the Berkeley sockets API ( under Linux). - Development of Front-End applications with Java, Swing and JDBC. - Development of an ecommerce web application. (Java, Servlets, JavaBeans, Oracle).

Here I took part in the development of the system both for the Social Security Work and for the syndicate. - Visual Basic, COM component development with with VB, RDO, SQL Server 6.5, Windows NT, Microsoft Transaction Server, Microsoft Message Queue Server, ASP and Dreamweaver.

Marketing and Business

Computer Sciencies