Job Summary: We are seeking a Java Developer for a strategic Customer Service project, focused on the evolution of corporate applications and system integration. Key Highlights: 1. Strategic involvement in Customer Service 2. Development and evolution of corporate applications 3. Collaboration with multidisciplinary teams We are looking for a Java Developer to work on a strategic project within the Customer Service (CS) area, focusing on the development and evolution of corporate applications, system integration, and delivery of new functionalities in an enterprise environment. **Responsibilities** * Develop, maintain, and deploy systems using Java (7\+) * Perform continuous corrections and improvements to meet user and business needs * Work on assembly, debugging, and testing of existing applications * Develop new features for the corporate portal in Java * Integrate systems via SOAP/REST Web Services * Participate in logical and physical database modeling activities * Provide technical contributions to complex tasks with autonomy and accountability * Support technical decisions and collaborate with multidisciplinary teams **Mandatory Requirements** * Solid experience as a Java Developer (minimum 5 years) * Experience in Java Web / J2EE development * Experience with frameworks and technologies including: + Spring MVC + JSP + JPA + Maven * Experience with relational databases: + Oracle 10g\+ + SQL Server * Experience with application servers: + WebLogic, JBoss or WebSphere * Knowledge of database modeling and SQL **Desirable Requirements** * Spring Boot * Hibernate and/or MyBatis * Unit testing with JUnit * Experience in Linux environments * Knowledge of Nginx * Experience with modern front-end technologies (Angular 2\+) **Education** Completed or ongoing undergraduate degree in fields such as: * Computer Science * Information Systems * Computer Engineering * Data Processing **Position Details** * Work model: Hybrid (1 day per week onsite) * Working hours: 9:00 AM – 6:00 PM * Employment type: CLT * Initial project duration: 6 months (possibility of extension)