Description: * Bachelor's degree in Computer Science, Software Engineering or related fields. * Practical experience in Java (Spring Boot, JPA/Hibernate). * Experience in RESTFUL APIs and JSON. * Experience with relational databases and SQL. * Proficient in Git, Git Flow, and good versioning practices. * Previous experience working with agile methodologies (Scrum/Kanban). * Experience in system maintenance and development of new modules. * Experience with Docker/Kubernetes and CI/CD practices (DevOps). * Experience with legacy systems, preferably Java SE 6. * Experience with Oracle Database (Oracle 8) and PLSQL; * Ability to analyze requirements, propose technical solutions, and estimate effort. * Good communication skills and ability to work in a multidisciplinary team. * Experience in government, tax, or financial projects will be a differentiator. * Develop and maintain systems, working on both new modules and legacy systems. * Implement technical solutions based on functional and non-functional requirements, ensuring performance, scalability, and security. * Perform bug fixes and continuous improvements in production systems. * Build and consume RESTful APIs for integration between internal and external systems. * Create, optimize, and maintain SQL queries and procedures in relational databases (PostgreSQL, Oracle). * Participate in agile ceremonies (planning, review, retrospective, daily stand-ups), contributing to estimations and sprint execution. * Version code using Git/Git Flow, following repository best practices and continuous integration. * Ensure code quality through unit testing, code reviews, and clean code practices. * Create and update technical documentation for systems (architecture, APIs, databases, and manuals). * Support the maintenance team in critical incidents, contributing to root cause analysis and permanent solutions. * Collaborate with the multidisciplinary team (requirement analysts, PO, QA, support) to understand and deliver requirements. * Comply with information security standards and internal policies. * Proactively identify technical risks and propose improvements in processes and systems. 251109020218578552