Job Summary: We are looking for a professional to define best practices, develop, test, and evolve systems, monitor performance, and assist in guiding developers. Key Highlights: 1. Autonomy and a dynamic, challenging environment 2. Opportunity to interact with diverse technologies 3. Growth and learning in a supportive environment **What We’re Looking For?** **Main Responsibilities:** Define best development practices; Develop, code, and test systems in Java, working across development projects and Back-End; Implement complex functionalities; Propose technological improvements to systems; Monitor adherence to best software 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—act quickly and effectively, developing preventive solutions; Assist junior developers and contribute to project decision-making; Maintain systems by implementing necessary changes to meet user requirements; Perform assembly, debugging, and testing of programs, and carry out maintenance on already-developed programs. **Requirements:** * Web application development using Java and RESTful API consumption (Spring Boot/Java EE) * Experience with source code versioning tools (GIT); * Knowledge of unit and/or integration testing, and basic knowledge of Android SDK (ViewModel, LiveData, Lifecycle); * Knowledge of relational and non-relational databases (Oracle, MySQL, MongoDB); * Knowledge of web communication protocols; * Knowledge of UML; * Software architecture (Clean Architecture, MVVM); * Experience with agile frameworks - English: Advanced – technical reading, conversation, and technical meetings **Preferred Qualifications:** * AWS knowledge **Work Location: São Paulo/SP and surrounding areas** **Why Build Your Career at Meta?** We offer autonomy, clear goals, and a dynamic, 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 one of the best companies to work for in Brazil according to Great Place to Work, and one of the top 10 fastest-growing companies in the country for three consecutive years, according to the Anuário Informática Hoje. **What Are Our Values?** * We are people serving people * We think and act like owners * We have a drive for 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 similar factors. We want you to grow with us in a welcoming environment full of opportunities. If this resonates with you, then #JoinMeta!