Oscar S.

Trabajo duro y dedicacion

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Freelancer activity: IT & Programming


Skills (Maximum: 3)
About me
Poseo amplia experiencia en entornos de desarrollo Java.
Work history
Software Development Lead/Scrum Coach Softtek Jun 2012 â?? Aug 2013
Leading development and implementation of Java projects of the risk management area of the client using Spring, Hibernate/JPA, web services and web technologies (HTML, CSS, Jquery and Javascript). Implementation of multi-threading application to monitor and manage deploys. Implementation of middleware application to connect multiple platforms with the risk management tool.
Implementation of a testing generator platform. Application to generate exams and question for a particular topic and let user comment them. This multi-threading application use mongoDB, Spring MVC and AngularJS. Development of RestFull web service and client with Spring Integration.
Implementation of a middleware application to encrypt and decrypt SOAP message with Bouncy Castle, AXIS and Java cryptography library. Working on the Integration of the service with Oracle ESB.
Scrum coach for the implementation of the methodology on the entire client.

Android developer Freelance May 2011 - Present
Built applications to parse HTML and manage some values. Camera image processing application for android market with core Android and OpenGL.
Development of a middleware tool to publish data from database with Restfull service. Using Apache CXF and Spring.

Scrum Master/Java Tech Lead ABC Consulting Jun 2011 â?? Jun 2012
Leading multi-cultural Java projects and multiple clients (T-Mobile, Prokarma, Banco Hipotecario and CEOP). Architected and developed Java projects to process large amount of data coming from DW and sent results to an IVR with EJB, Spring, Threading and J2EE technologies.
Built customer care application to get client information, recommendations and client/phone management of T-Mobile. Both project using Weblogic 9 and Oracle10g, J2EE technologies, JPA, MySQL, multi-threading and RestFull webservices. Developing of SOA architecture.
Mobile development of an application to manage messages between cellphones for Prokarma with Android and Objective-C.
Installation, Configuration and development of a ticket portal approval process with JBPM.

Senior Software Engineer Verizon Jan 2007 â?? Jun 2011
Led the development of a complex business project management solution built in Java for real time contract approvals with high I/O performance processing large amounts of data across multiples countries. Using Weblogic 9, Oracle10g, J2EE, Spring, Hibernate, JSF, Richfases, web technologies (HTML, CSS, Jquery and Javascript), BPM, multi-threading and WebServices. All on Linux.
Installation, Configuration and development on Oracle BPM and ESB.

Senior Java developer Cubika Sep 2004 â?? Jan 2007
Architected and developed various Java projects and system integrations (EDS, Clarin, BCI and Coreo Argentino) emphasizing the visually appealing and concurrent access of multiple user across multiple locations with rich and responsive user interfaces and multi-threading. Using Struts, spring, Hibernate, EJB, Weblogic Portal and Service Bus, J2EE and SQL.

C++ / Java Developer Galexianet Sep 2003 â?? Sep 2004
Built of C++ backend to manage image processing and concurrence. Built web/Swing apps for image processing (Motion detection) of Camera systems (DVRs) for US clients. Using Swing, JSP, Servlet, JDBC, J2EE, HTML, MySQL and JS on Linux.

IT Support SAV SA â?? Ona Saez Aug 2002 â?? Sep 2003
Built Java Swing applications for label printing with C++ backend to manage multiple printers. Built system to store, track and manage exports.
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Last login: 2 years ago

Joined: 4 years ago

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Profile level: Iron

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