Senior Java BackEnd Developer – Spring Boot / Kubernetes / Kafka – Barcelona (Híbrido)
Core
Senior backend developer building and supporting high-impact international products using Java, Spring Boot, and cloud-native technologies.
Role type
Senior IC backend engineer (Java/Spring Boot)
Builds
Scalable backend components, REST APIs, and event-driven architectures for international clients
Domain
Technology consulting / Financial services (insurance)
Deliverable
production ML models | product features
Required skills
Java 17+, Spring Boot, REST API design, Apache Kafka, Kubernetes, Helm, SQL, MongoDB, AWS, CI/CD pipelines
Preferred skills
Microservices architecture, OpenAPI, Selenium, TAF, Dynatrace, Grafana, Prometheus, ELK stack, Camunda, GitHub Actions, Clean code practices
Technologies
Spring Boot, Apache Kafka, Kubernetes, Helm, Jenkins, SonarQube, AWS, MongoDB, SQL, IntelliJ, GitHub, Jira, Confluence
Responsibilities
Develop robust backend components with Spring Boot; Deploy and monitor software in cloud clusters; Design and develop REST APIs and event-driven architectures; Collaborate with business analysts to refine requirements and define technical solutions; Review code and ensure best practices; Document functionalities and present developments in review sessions
Seniority
Senior, hands-on IC