**About Coderio** Coderio designs and delivers scalable digital solutions for global enterprises. With a solid technical foundation and a product-oriented mindset, our teams lead complex projects from architecture to execution. We value autonomy, clear communication, and technical excellence, collaborating closely with international teams and partners to build technology that makes an impact. More information: http://coderio.com We are looking for a Senior Backend Engineer with strong experience in Java and Spring Boot, focused on designing scalable and maintainable microservices based on clean and hexagonal architecture principles. The ideal candidate will have experience working with cloud environments (AWS), event\-driven solutions, and CI/CD best practices. **What you can expect from this role (Responsibilities)** Design and implement microservices in Java Spring Boot following hexagonal architecture and clean design principles. Develop event\-driven solutions by integrating queues or streaming (Kafka, RabbitMQ, AWS SNS/SQS). Manage SQL and NoSQL databases, choosing the best option according to the use case. Deploy and operate services on AWS (ECS/EKS, RDS, DynamoDB, S3, API Gateway, among others). Ensure code quality and resilience through automated testing and CI/CD best practices, observability, and security. **Requirements** 3\+ years of experience as a backend developer 3\+ years of experience in Java (11\) 3\+ years of experience in Spring Boot 3\+ years of experience in AWS with production deployments. Practical knowledge of hexagonal architecture or domain/infrastructure separation. Advanced experience with microservices and event-driven architecture (Kafka, RabbitMQ, SNS/SQS). Strong experience with Docker and CI/CD pipelines. Good understanding of resilience patterns (retries, DLQ, idempotency). **Desirable** Knowledge of Terraform or AWS CDK. OpenAPI/Swagger\-first and event contracts with JSON Schema. Observability with OpenTelemetry, Prometheus, or Grafana. Security with OAuth2/OIDC (Keycloak, Cognito). Advanced patterns: CQRS, Sagas, Event Sourcing. **Benefits** Remote mode Participation in a strategic regional project with high impact. Collaboration with an international team and strong technical leadership. Opportunity for professional growth within digital transformation projects. **Why join Coderio?** We are remote\-first, passionate about technology, collaborative work, and fair compensation. We offer an inclusive, challenging environment with real growth opportunities. If you're motivated to build impactful solutions for global finance and HR projects, we're waiting for you. Apply now. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.