Description: * Proven 5 years of experience with Java 21\+, Spring Boot 3\+; * REST APIs * Unit testing * Swagger (OpenAPI) * Relational and non-relational databases (preference for MongoDB) * Concepts of API gateway and microservices * Knowledge of secure development practices (throttling, authentication, data encryption) * Monitoring tools (Dynatrace, Grafana) * Caching mechanisms (Redis, Memcached, Spring Cache) * Event-driven architecture / messaging (preferably RabbitMQ and/or AWS SQS/SNS) * Node.js 18\+ * React (knowledge of component creation / React Router) * Next.js (desirable) * Clean code * Keycloak (desirable) Qualities * Proactivity * Clear communication * Openness to feedback * Teamwork * Enthusiasm for challenges * Ownership mindset * English reading and writing skills (desirable) * Defines system architecture and technical standards * Leads code reviews and ensures overall quality * Creates automated testing strategies and coverage plans * Plans system scalability and performance * Implements advanced security practices (OAuth, RBAC, encryption) * Leads technology and tooling decisions * Creates and maintains complex CI/CD pipelines and infrastructure-as-code * Ensures compliance with regulations (LGPD, GDPR, PCI-DSS) * Documents strategic solutions and guides the team 2512080202191615662