[Job - 29503] Backend Developer (Java / Spring Boot), Brazil

About the Project
The FORCE backend is a Spring Boot 3 API that powers the mobile app used by pharma field force. It processes KPI data from several systems; applies complex business rules (SFC Index calculation, ranking, incentives, alerts); and exposes secure REST endpoints consumed by the mobile app. It runs on PostgreSQL with Redis caching and integrates with Azure Active Directory for identity.

Role
Senior Java backend developer to develop, maintain, and evolve the API and business logic layer.
Responsibilities
Design and implement RESTful APIs with Spring Boot 3 (Web + WebFlux)
Implement and maintain complex KPI calculation logic (SFC Index, ranking, incentives)
Manage database schema evolution with Flyway migrations on PostgreSQL
Integrate with Azure Active Directory (OAuth2 / JWT) for authentication and authorization
Maintain Redis caching layer for high-frequency KPI reads
Integrate with external systems
Send email notifications via SendGrid and push notifications via APNs (Pushy)
Manage secrets via AWS Secrets Manager
Write unit and integration tests (JUnit 5 + Mockito + Spring Security Test)
Document APIs with OpenAPI / Springdoc UI
Participate in Jenkins CI/CD pipeline maintenance

Required Skills
4+ years Java
Spring Boot 3 (Web, Data JPA, Security, Cache, Actuator)
Spring Security OAuth2 / JWT / Azure AD integration
PostgreSQL + Flyway (schema migrations)
Redis (Spring Cache)
Maven
Lombok + MapStruct
JUnit 5 + Mockito
REST API design
Git + trunk-based development

Nice to Have
AWS Secrets Manager / Spring Cloud AWS
SendGrid or transactional email services
APNs push notification integration (Pushy)
EclipseLink JPA provider
OpenAPI / Springdoc
Pharma / CRM domain knowledge