Job Summary: Participate in the development of backend solutions with Java 17 and Spring Boot 3 in a stable project using modern technologies and an event-driven architecture. Key Highlights: 1. Backend solution development with Java 17 and Spring Boot 3 2. Stable project using modern technologies and event-driven architecture 3. Collaboration in Agile environments DESCRIPTION Participate in the development of backend solutions with Java 17 and Spring Boot 3\. Stable project, using modern technologies and event-driven architecture. **Conditions:** * Contract: Permanent * Location: Any location in Spain. * Work mode: Remote. Residency in Spain is mandatory. * Working hours: Full-time * Salary: Up to €42,000 gross per annum depending on experience **Responsibilities:** * Backend service development with Java 17 and Spring Boot 3 * Design and implementation of REST APIs * Integration with distributed systems (Kafka, Batch) * Batch process development with Spring Batch * Implementation of unit and integration tests (JUnit, Mockito) * Participation in CI/CD environments and containerization with Docker/Kubernetes * Collaboration in Agile environments REQUIREMENTS **Mandatory:** * \+6 years of backend development experience * Advanced Java 17 * Experience with Spring Boot 3 * Experience in designing and consuming REST APIs * Solid SQL database knowledge * Experience with JUnit and Mockito * Experience with Spring Batch * Experience with Apache Kafka * Knowledge of Docker, Kubernetes, and CI/CD * Advanced English (mandatory) **Desirable:** * Experience with Azure (Event Hub, DevOps) * Use of caching mechanisms (Redis, Caffeine) * Reactive programming (WebFlux, Reactor, WebClient) * Swagger / OpenAPI **Digital Group** We are a team of over 100 technology professionals, offering you stable projects with leading national and international clients, developing solutions in Artificial Intelligence, Cloud, Cybersecurity, etc. We commit to supporting you throughout all phases of the project to ensure your professional growth with us and that your contribution truly matters. Do you want to stay up-to-date with the latest technologies and seek new challenges? Send us your CV and we’ll contact you!