**This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a SR Desenvolvimento Full-Stack (Java + React) based in Brazil.** This role is designed for a senior full-stack engineer who will build scalable, high-performance solutions used by millions of users. You will work across the entire software development lifecycle, from technical design and architecture decisions to production delivery. The position combines backend and frontend expertise, modern cloud technologies, and strong engineering practices. You will collaborate with agile, multidisciplinary teams to create robust digital products and continuously improve platform performance. This is an opportunity to contribute to complex technology initiatives while applying expertise in Java, React, cloud environments, and distributed architectures. The role values technical ownership, innovation, collaboration, and the ability to transform business needs into reliable software solutions. ### Accountabilities: The Senior Full-Stack Developer will be responsible for designing, developing, and delivering robust software solutions while contributing to technical strategy, architecture decisions, and engineering excellence. - Design and develop scalable, highly available applications across backend and frontend layers. - Build backend solutions using Java, Spring Boot, and Node.js, creating efficient and maintainable services. - Develop modern frontend experiences using React, JavaScript, and TypeScript. - Design and implement RESTful APIs and integrations with API Gateway solutions. - Work with microservices and microfrontend architectures to support scalable digital platforms. - Implement and maintain asynchronous communication solutions using messaging technologies such as RabbitMQ and AWS SQS. - Develop solutions connected to relational and non-relational databases, including SQL and NoSQL environments. - Apply cloud development practices using AWS services. - Create and maintain automated tests, including unit tests and contract tests, ensuring software reliability. - Participate in code reviews, technical refinements, and architectural discussions. - Collaborate with product, engineering, and business teams to understand requirements and deliver effective solutions. - Contribute to CI/CD processes, observability practices, and continuous improvement initiatives. ## Requirements: The ideal candidate is a senior software engineer with strong full-stack expertise, experience building distributed systems, and the ability to contribute to complex technical decisions. - Solid experience developing backend applications using Java 8+, Spring Boot, and Node.js with NestJS. - Strong frontend development experience with React and JavaScript/TypeScript. - Practical experience with frontend ecosystems including Next.js, React Hooks, Styled Components, and Axios. - Experience designing and implementing microservices and microfrontend architectures. - Strong knowledge of RESTful API design and integrations with API Gateway platforms. - Experience with messaging-based communication using technologies such as RabbitMQ and AWS SQS. - Experience working with relational and non-relational databases, including SQL, NoSQL, Oracle, MongoDB, and RDS environments. - Practical knowledge of AWS cloud services. - Experience implementing automated testing strategies, including JUnit and Pact contract testing. - Experience with monitoring and observability tools. - Strong knowledge of Git workflows and experience with CI/CD practices using tools such as Jenkins and Docker. - Experience working in agile methodologies such as Scrum and Kanban. - Excellent communication skills to lead technical discussions, refinements, and requirement discovery sessions. - Experience with Jira for task and defect management is a plus. - Knowledge of UML documentation and system modeling is a plus. ## Benefits: - CLT employment model with a 40-hour flexible weekly schedule. - Fully remote work environment. - Health and dental insurance coverage extended to dependents. - Flexible meal and food allowance through a benefits card. - Life insurance coverage. - Home office allowance. - Access to wellness programs such as Wellhub and TotalPass. - Access to Sesc benefits, including services available throughout Brazil. - Corporate learning platform with more than 20,000 courses for professional and personal development. - Language learning opportunities through an internal academy. - Knowledge-sharing initiatives, technical communities, talks, and collaborative learning sessions. - Pet health insurance support. - Leisure travel benefit options. - Flexible equipment options, including personal device rental programs or company-provided equipment. - Birthday benefits and employee referral rewards. **How Jobgether works:** We use an **AI-powered matching process** to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! [Why Apply Through Jobgether?](https://jobgether.com/how-jobgether-works) **Data Privacy Notice:** By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. #LI-CL1