Mid-level Java/React Full Stack Developer

We are looking for a Senior Java Developer to join a highly technical, development-focused team. You will work on strategic projects with autonomy and active participation in technical and architectural decisions. This is an ideal position for those seeking real business impact, constant technical challenges, and an environment with autonomy, collaboration, and continuous innovation. Participate in platform architecture decisions and document the rationale behind them; Build end-to-end features: Java on the backend, React on the frontend; Implement synchronous and asynchronous integration layers; Work with a microservices ecosystem integrated with legacy systems and monoliths; Model and evolve persistence in relational and non-relational databases; Work with messaging and asynchronous processing; Write automated tests and actively participate in code reviews; Contribute to architecture discussions with technical arguments; Investigate and resolve issues in production environments; Use AI thoughtfully in your own development — and rigorously review what it produces; Share context and support those who are starting on the team. Mandatory requirements: Solid software development experience with deliveries in production; Java on the backend and React on the frontend, with autonomy on both sides; Docker and containerization; familiarity with Azure deployment; Relational databases: modeling, querying, and optimization; Asynchronous processing: RabbitMQ, SQS, SNS, Kafka; Non-relational databases, with clear