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Kleverland Formiga

@kleverlandformiga

Senior Java backend engineer at Interall Brasil, building scalable REST APIs and optimizing PostgreSQL and Oracle performance.

Brazil

Message

At Interall Brasil, I develop and maintain Java and Spring Boot backend systems, including authentication, scheduled tasks, and data-processing pipelines. I design scalable REST APIs documented with OpenAPI and write unit and integration tests with JUnit and Mockito.

I’ve also modeled and optimized PostgreSQL and Oracle schemas and queries, and I participate in CI/CD practices and code reviews. At Ceará Saúde Participações, I worked on REST integrations and backend development with Java, PL/SQL, and Hibernate.

Experience

Work history, roles, and key accomplishments

Current

Desenvolvedor Java Sênior

Current

Interall Brasil

Aug 2022 - Present (4 years 3 months)

Develops and maintains backend systems with Java and Spring Boot, including authentication, task scheduling, and data processing pipelines. Designs and implements scalable REST APIs with versioning and OpenAPI documentation.

Java Spring Boot REST APIs OpenAPI Swagger Junit Mockito PostgreSQL Oracle CI CD Docker Git

Desenvolvedor de Sistemas

Ceará Saúde Participações

Jul 2020 - Aug 2022 (2 years 1 month)

Integrated systems based on REST services and developed fullstack when necessary. Implemented backend with Java, PL/SQL, and Hibernate, and deployed on Wildfly.

Java Pl SQL Hibernate REST JSF PrimeFaces Docker Git GitHub Linux Windows Oracle

Analista de Infraestrutura

Microcity Computadores e Sistemas Ltda

Mar 2017 - Mar 2020 (3 years)

Provided troubleshooting and support in virtualized environments (VMware vSphere and vCenter). Implemented and managed Windows servers (Active Directory, DNS, DHCP, Fileserver).

VMWare VSphere VCenter Windows Server Active Directory DNS DHCP Troubleshooting

Programador de Sistemas

Tradein Technology

Jan 2013 - Aug 2016 (3 years 7 months)

Developed systems with Java, JSP/Servlet, JavaScript, jQuery, and PHP. Worked with PostgreSQL, MySQL, and MSSQL databases, and gathered requirements with clients.

Java JSP Servlet JavaScript jQuery PHP PostgreSQL MySQL MSSQL Requirements Analysis

Estagiário de Programação

Instituto Federal do Ceará

May 2011 - Jan 2013 (1 year 8 months)

Developed solutions for distance education with PHP and Zend Framework, using PostgreSQL. Managed version control with Subversion and participated in weekly sprints.

PHP Zend Framework PostgreSQL SVN Agile