Jefster Farlei Fernandes Caixeta Júnior

Working as a consultant in Big Ticket Platform (Former Insurdata). I’m a full-stack developer in the Big Ticket platform, helping build the platform from scratch. I’m also responsible for the email notification service. I also helped document the microservices architecture. Tech stack: Java 17, Spring boot, Open Feign, Spring Data, Hibernate, Maven, JWT, OAuth2, Auth0, Caffeine Cache, Swagger, Prometheus, Grafana, Loki, Vue.js, Pinia, Docker, Jira, Git, GitHub, PostgreSQL, AWS, JUnit, Javers.

I worked are implement the requirements of the Open Banking initiative, creating microservices to provide all services and information required by the specifications from the Brazilian Central Bank. Tech stack: Java 11, Spring boot, Feign, Spring Data, Hibernate, Maven, JWT, OAuth2, Swagger, OpenID, Docker, Azure DevOps, Git, Sonar, DynamoDB, PostgreSQL, AWS, EC2, Rancher, JUnit, Apache Camel.

Started as Devsecops helping the IoT security team fix vulnerabilities on the applications based on reports created by Kenna, then I joined the CloudIQ team to work as Software Engineer developing microservices to the IoT ecosystem from Dell. The project applies Scrum methodology and uses TFS to manage tasks and stories. Technologies used: Java, Springboot, Spring Security, Hibernate, Docker, Gitlab, Git, AngularJS, Angular, Oracle database, Junit, and Randoop for tests.

Development of integrations with third-party APIs for one of the largest car sales companies in Brazil. Included jobs to auto-execute the tasks, control and monitoring pages to users be able to execute manually when they need. Technologies used: Java, EJB, JSF, Hibernate, Oracle database, Quartz, AWS, and Git.

I worked mainly on 3 projects were Svetores, SILT, and SisReg. The first is to monitor some species of insects that can transmit human diseases, this project makes heavy use of geolocation resources and maps. Information from this software and others is fed. The second one, SILT, was designed to monitoring people that suffer from Tuberculosis. The third one was created to manage the queue of elective surgeries in the state, meeting Anvisa's technical criteria.

· I worked on a project from State Financial Secretary from State of Mato Grosso. This project was created to perform the calculation of state tax collection rates. These indexes will be used in the distribution of funds, in the definition of public policies, and mainly in tax inspection. · Technologies used: Java, Springboot, Spring Data, Spring Security, Angular, NgPrime, Oracle database, JBoss Webserver, Apache POI, Apache HTTP Client, and Spring REST Template, Git.

Participate mainly in the project from the extinct City Ministery from Brazil, most parts of the project were related to public infrastructure. There were 3 projects to inspect, evaluate and manage every building that belongs to the federal government. I was the head of geolocation development. Technologies used: Java, Springboot, Spring Data, Spring Security, Angular, AngularJS, NgPrime, PostgreSQL, Liquibase, Spring REST Template, Git, OpenLayers, Open Street Maps, and Postgis.

I worked on the team responsible for creating the new version of the company’s main product, an ERP. The old version was developed with Java 6 and JSP, and the company decided to create a newer version using new technologies, that allows the software to be fully web and responsive for every device. I also worked to create the new version of the task manager used by the company on the support team.