Matías Rojas - Resume

Summary

Software Architect with strong leadership skills, specialized in architecture definition using Open Source projects (Spring, Hibernate, Tomcat, RabbitMQ, Redis, JUnit, MySQL, ActiveMQ, Memcached, MongoDB, Cassandra, Hadoop). Strong Object Oriented analysis and design skills, applying well-known design patterns.

Experienced with performance tuning, multi threading, application profiling, scalable architectures and optimizing resource utilization.

Results oriented, usage of proven techniques for quality assurance (code reviews, test driven development, version control, release management).

Experience

Click on the company name for more information:

2004	2005	2006	2007	2010


	bInside	Motorola		Smartdate
Lempert		QLC	Nimbuzz

Skills

Java, J2EE, Design Patterns, Spring, Hibernate, Maven, MySQL, Tomcat, JavaMail, Junit, DBUnit, EasyMock, XMPP, JMS, RabbitMQ, ActiveMQ, Memcached, MongoDB...

Education

BS Computer Science
Universidad Blas Pascal
2000 - 2004

Business Plan Seminar
Universidad Blas Pascal
2011 - 2012

Languages

Spanish	Native
English	Expert
Portuguese	Expert

Contact Me

Córdoba, Argentina

matias@matiasrojas.com

+54 9 351 7643561

mnrojas

/in/matiasrojas

/mnrojas

Lempert

Java Developer (July 2004 - June 2005). Córdoba, Argentina.

Development and architecture definition for company’s products, using Java, JSPs, Servlets, PL/SLQ, Transact SQL.
Configuration management tasks
Investigation of new technologies and tools.
DataMart development using open source tools.
Development of a Document Management System, using jBPM, Hibernate, Tomcat, JSPs.

bInside

Java Developer (June 2005 - December 2005). Córdoba, Argentina.

Architecture definition and development of a framework based on Java, Hibernate, XML, XSL, JSPs, Taglibs.
Development of tools for code generation based on the framework. CRUDs could be rapidly created from a DB Schema.
Requirements gathering and technical analisys.
Design, development and implementation of an accounting system for Siemens Argentina.

Quality Letters of Credit

Software Designer (January 2006 - July 2006). Buenos Aires, Argentina.

Requirements gathering and technical analisys.
Architecture definition and development of a multi-tier framework based on Java, Hibernate, AJAX, Struts, Tiles, XML, XSL, JSPs, Servlets. Design patterns implementation (DAO, DTO, MVC, Intercepting Filter, Service Locator).
Development of a code generation tool. Generation of JSP, Beans, Service and DAO classes from a database entity.
Architect and developer for a “Letters of Credit” preparation software.
Architect and developer for a certified documents issuing system.

Motorola

Technical Leader (July 2006 - October 2007). Córdoba, Argentina.

Technical Leader of a traceability project implemented in J2EE / PL-SQL.
Lead project technical tasks, assuring correctness of the artifacts produced.
Approval of all technical documents.
Lead architecture definition.
Principal technical contact with the Customer.
Specification of development methods for the project.
Assure technical Quality SW components of the project (analysis, design, code).
Technical risk management.
Maintain the traceability of requirements.
Effort and size estimations.
Documenting of Data Model, High Level Architecture, Low Level Architecture, Software Detailed Requirements.
Use of CMMI level 5 processes and methodologies
Development of a test automation tool. The tool was developed in Java and had its own script language to define the actions to be executed when running test cases. Testing time was dramatically improved.
Tools/Languages used: J2EE, JSP, Struts, Spring, Tiles, Tomcat, Oracle, Rational Rose Modeller, Rational ClearCase, Visual Studio 2005.

Nimbuzz

Technical Leader (October 2007 - November 2010). Rotterdam, The Netherlands.

Technical leader of the “Core Services Team”. Worked as Software Engineer in Rotterdam and then moved back to Córdoba to recruit and lead a server side team.
In charge of several projects, ranging from small simple ones to complex architectures.
Definition of architecture and frameworks to use for every project (ActiveMQ, Spring, Memcached, Hibernate, Tomcat, JPA).
Involved in company wide coding and quality standards definitions.
Tasks assignment and team coordination.
Responsible for scalability of server side components, focusing on high availability, reliability, failover, high concurrency.
Resolution of production incidents. Analysis of heap dumps, thread dumps, GC tuning.
Design of client-server communication protocols.
Architect and developer for a HTTP-XMPP Bridge to implement a chat solution used in several social networks in Europe, using Java 1.6, Tomcat, Comet, JSON, ejabberd, MySQL, XML Pull Parser.

Smartdate

Software Architect (November 2010 - October 2011). Paris, France.

Technical leader of the “Backend Team”.
In charge of setting up an office in Córdoba, Argentina, hiring also the QA team.
Migration of a monolithic Ruby on Rails application to distributed services architecture.
Definition of architecture for backend components and interaction with the frontend (Ruby, iphone, Android).
API Documentation and guidelines.
Stress tests, coordination of deploys to production and monitoring (Monit)