Igor Poltosi
Verified Expert in Engineering
Architecture Developer
Porto Alegre - State of Rio Grande do Sul, Brazil
Toptal member since March 16, 2014
Igor is a senior Java and JEE developer and architect with over 14 years of development experience in a wide variety of distributed technologies. He works mostly in performance-oriented, SOA, and high-end systems development. He enjoys passing on knowledge to his team and coaching other developers.
Portfolio
Experience
- SQL - 14 years
- Java - 14 years
- REST APIs - 10 years
- Architecture - 10 years
- Microservices - 10 years
- Software Architecture - 8 years
- Spring - 5 years
- RESTful Web Services - 2 years
Preferred Environment
Java, Spring
The most amazing...
...thing I've coded is a worldwide application for managing vessels and the stocks of ports.
Work Experience
Java Architect
TOTVS
- Was responsible for Java/SOA development for financial systems and rebuilding a legacy application written in Accell/Sybase using JEE/Oracle technologies. Worked with OSB and the WebLogic Server.
- Developed a new front-end application of the financial systems mentioned above in JavaScript and HTML5.
- Configured a WebLogic application server for development and production.
- Configured an Oracle Service Bus for development and production.
Java Architect
GetNet Tecnologia
- Developed distributed server-side systems for financial transactions using Java cluster technologies.
- Handled Java/SOA development for integration with other systems and remodeling business processes from PowerBuilder/Sybase to JEE/Oracle technologies. Worked with the WebLogic Server.
- Configured an application WebLogic Server for development and production.
- Managed Jenkins and other continuous integration tools.
Java Architect
G4 IT Solutions
- Designed and implemented SOAP Web Services integrated with SAP.
- Was responsible for technical leadership and task management.
- Estimated budget and time for new projects.
Java Developer
E-Core
- Handled SOA development for controlling freight for shipment vessels.
- Configured a WebSphere application server.
- Managed sources using SVN.
Java Developer
MGR INFORMÁTICA LTDA
- Developed a freight sales invoice registration form.
- Migrated data from legacy systems.
Experience
Ipiranga - KM de Vantagens
The application's main responsibility is to compute customer's points and evaluate the possible sales applied, generating coupons. The application had to be lightning fast and deal with database parametrized business rules in less then a few seconds even in the most demanding times.
Education
Bachelor's Degree in Computer Science
Pontificia Universidade Católica do Rio Grande do Sul - Porto Alegre / RS
Skills
Libraries/APIs
JDBC, REST APIs, jQuery, Eclipse Persistence, Google Maps, Node.js, RESTEasy, Jackson
Tools
Subversion (SVN), Eclipse IDE, Jenkins, CVS, Apache Tomcat, Apache Ant, Apache Maven, WebLogicServer
Languages
Java, SQL, JavaScript, HTML5, HTML, Bash Script, PHP, UML
Frameworks
JUnit, Hibernate, JPA, Apache Struts 2, Apache Struts, Spring, Spring MVC, Spring Boot, Spring Microservice, Swing, Spring Security, AngularJS
Paradigms
Object-oriented Programming (OOP), Object-oriented Design (OOD), Service-oriented Architecture (SOA), Unit Testing, Microservices, Agile Software Development, REST, Scrum, Asynchronous Programming, Incremental Development, Test-driven Development (TDD), Pair Programming
Platforms
JSE, Java EE (Jakarta EE), Oracle, Linux, Eclipse, Jakarta EE (Java EE or J2EE), WebSphere, IBM WebSphere, Windows, Java ME
Storage
Oracle SQL, Oracle PL/SQL, Sybase, Azure Active Directory, SQLite, Microsoft SQL Server, PostgreSQL, MySQL
Other
Back-end Development, SOAP, Web Services, Software Architecture, BEA WebLogic Server, Apache Commons, WebLogic, Brutos Framework, Architecture, RESTful Web Services, Technical Project Management, Oracle Service Bus (OSB), WebSphere Application Server
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