Job Summary: We are looking for a developer to define best practices, develop and test Back-End and Front-End systems, propose technological improvements, and assist in mentoring junior developers. Key Highlights: 1. Back-End and Front-End development work 2. Opportunity to propose technological improvements 3. Autonomy and a dynamic, challenging environment **What We’re Looking For?** **Main Responsibilities:** Define best development practices; Develop, code, and test systems in the relevant programming language, switching between Back\-End and Front\-End development projects; Implement complex functionality; Propose technological improvements to systems; Monitor adherence to best system development practices; Validate the existing test coverage in projects; Validate new application features; Monitor application system performance; Propose technological improvements to systems; Anticipate opportunities and issues proactively, respond with agility, speed, and effectiveness, and develop preventive solutions; Assist in mentoring junior developers and contribute to project decision-making; Perform system maintenance, implement necessary changes, and meet end-user requirements; Carry out program assembly, debugging, and testing tasks, and perform maintenance on already-developed programs. **Requirements:** Java: Proficiency in algorithm design (preferably using streams, map, reduce); J2EE: Knowledge of dependency injection methods using EJB 3\.x; basic knowledge of RMI for JNDI lookup; Databases: Proficiency in writing native SQL and/or JPQL/HQL (preferably native SQL); familiarity with DB2 and/or SQL Server specific features; Reporting: Report generation using iReport (JRBeanCollectionDataSource or native SQL), Apache POI, and OpenCSV; CI/CD: Familiarity with Jenkins, SonarQube, and Git (GitLab); Build: Basic knowledge of Maven-based project builds. **Preferred Qualifications:** Familiarity with JavaScript, Angular, ActionScript; Familiarity with Adobe Flex. **Work Location: Remote** **Why Build Your Career at Meta?** We offer autonomy, clear goals, and a dynamic and challenging environment where professionals have the opportunity to interact with diverse technologies, participate in all types of projects, bring new ideas, and work from anywhere in Brazil—and why not, anywhere in the world. Additionally, we are ranked among the best companies to work for in Brazil by Great Place to Work and one of the top 10 fastest-growing companies in the country for three consecutive years, according to the Informática Hoje Annual Report. **What Are Our Values?** * We are people serving people * We think and act like owners * We are driven by performance * We grow and learn together * We pursue excellence and simplicity * Innovation and creativity are in our DNA All individuals are welcome regardless of their condition, disability, ethnicity, religious belief, sexual orientation, appearance, age, or related factors. We want you to grow with us in an inclusive, welcoming environment full of opportunities. Do you identify with this? Then, \#JoinMeta!