Paulo Diniz

A freelancer specialized in Java & Android ·

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Languages & Frameworks
  • Java
  • Spring Boot
  • JSF
  • Struts
  • Primefaces
  • PHP
  • Laravel
  • Jquery
  • JavaScript
  • Android
  • HTML
  • CSS
Platform Development & DataBase
  • PostgreSQL
  • MySQL
  • SQLlite
  • SQLServer
  • Wordpress
  • git
  • subversion
  • eclipse
  • Linux
Cloud & On Prem.
  • AWS
  • VMmare
  • Hyper-V


See my works below. Unless explicitly stated otherwise, all back-end and front-end parts were completely done by me.


Terapê app develops students skills in the practice of therapeutic relationship (TR) in the nursing field. It’s divided into two differents parts. In the first one, the students will have access to basics informations about the TR in order to understand and be familiar with this subject. After that, in the second part, the students will be able to practice with three regular medical cases, wich are divided into different levels of difficulty

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The app TCE-PE Bids was designed to bring the population closer to the Court of Auditors in the State of Pernambuco. With this app you can keep track and filter all bids according to your preference and relevance. The main idea intends to present a faster, better and clearer way to see relevant bidding information.

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Openredu is a learning environment that is designed to provide intense forms of collaboration between professors and students. A learning platform in the clouds wich is a trend in the area of educational technology. Its internal structure makes it possible to organize content in the same way as a learning management system. Each of the materials has spaces for communication. All forums are integrated to simplify the different dialogs that occur in the environment.

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See all Projects for more examples!


Substitute Coordinator

National School of Public Administration - ENAP - Federal Government of Brazil

Work as substitute coordinator of COSIP, responsible for more than 20 systems and web portals. Leading a team of project managers, who are responsible for maintaining dozens of systems on different platforms, such as mobile apps with Ionic, PHP systems with Symphony, Java Web Systems with JSF, etc. I also inspect technology contracts, and I'm responsible for the financial control related to some IT contracts at National School of Public Administration.

March 2019 - Present

Technical Leader and Software Engineer

School of Financial and Tax Administration - ESAF - Federal Government of Brazil

Development, maintenance, testing and analysis of web systems in PHP and JAVA languages. System Support of LINUX and Windows Servers. Databases in Mysql, PostgreSQL and SQL Server. Virtualization with Hyper-V and VMWare. RestFul API. OpenSource Projects such as Moodle, DSpace, SEER-OJS and Wordpress. Web Application Servers such as JBoss, Tomcat and Apache. GIT-Lab Versioning.

Nov 2016 - March 2019

System Analyst

Social Security Ministry - Federal Government of Brazil

Development, maintenance, testing and analysis of web systems in PHP and JAVA languages. Configuration support of LINUX servers with Apache, Tomcat, Jboss and MySQL. Development of systems using Business Intelligence platform such as Pentaho for process large amount of data and helping decision makers

Aug 2015 - Nov 2016

System Analyst

Federal University of Pernambuco - Lika Laboratory

Development, maintenance, testing and analysis of web systems in PHP and JAVA languages. Configuration support of LINUX servers with Apache, Tomcat, Jboss, GlassFish and MySQL. Open Source CMS Wordpress Systems. Implementation and configuration of LMS Moodle for Faculty of Medical Sciences, State University of Pernambuco - UPE

Mar 2013 - Jul 2015


IPAD - Instituto Planejamento e Apoio ao Desenvolvimento Tecnológico e Científico

Development, maintenance, testing and analysis of large Web system in JAVA using Struts framework, Javascript, JQuery and Hibernate. Agile Development Methodologies (Scrum). Large databases in Oracle and PostgreSQL. SVN Versioning

2011 - 2012

Trainee in Software Development

Mix Tecnologia

Contributed to software development in Java EE using JSP, Structs and Hibernate with PostgreSQL

2010 - 2011

Trainee in Software Development


Contributed to software development for Desktop and Web Java Systems with GWT, Hibernate, Java EE

2009 - 2010


Universidade Federal de Pernambuco

Bachelor of Science
Computer Science (2007 - 2012)

The University of Texas at Houston

Split-site graduation program
Biomedical Informatics (2012 - 2013)


Post-graduation course - 360H
IT Management (2016 - 2018)