About Jesús Javier
Spanish
Native or bilingual
English
Conversational
Experience
- METRICASenior Backend Developer in banking projectsSOFTWARE PUBLISHINGSeptember 2025 - Today (9 months)Development of reactive Java Rest microservices using Darwin as a development archetype (Spring), integrated with JPA and Hibernate for the persistence layer and Maven for dependency management. Using API-First through Swagger, git for version control, Sonar for code quality control, REST API, Postman as a REST client for request testing, Oracle SQL and PostgreSQL as database systems. Using Junit and Mockito to perform code test coverage. Additionally, deployments are made in all environments through Github Actions with continuous integration, managing Kubernetes with Openshift.
- EqTicSenior DeveloperMay 2024 - Today (2 years and 1 month)Barcelona, SpainDevelopment of Rest microservices with Java 8, 11, and 21, using Spring as a development framework (SpringBoot and Spring Security), integrated with JPA and Hibernate/MyBatis (depending on the service) for the persistence layer and Maven for dependency management. Apache POI for loading and exporting Excel files. Use and management of Spring cache to improve filtering load times. Using API-First through Swagger (OpenApi), git for version control (Github), Sonar for code quality control, REST API, Postman as a REST client for request testing, Oracle SQL and PostgreSQL as database systems. Using Junit and Mockito to perform code test coverage. Additionally, deployments are made in all environments through Jenkins with continuous integration. Docker and Kubernetes with Google Cloud. Experience in consuming SOAP services. Messaging management with ActiveMQ. All this is done through a Scrum-based methodology managed with sprints in Jira.
- AccentureSystem Developer AnalystMarch 2023 - May 2024 (1 year and 2 months)Valencia, SpainFull-Stack Developer (Java and Vue) in the Healthcare sector. Using the following technologies: Java 8, using Spring Framework as a development framework, integrated with JPA and Hibernate as ORM for the back-end. For front-end development, we used Vue.js for the development of all application components, including the use of vue-router. Jenkins for continuous integration, SVN for version control, Postman as REST client, Sonar for code quality control. Using agile methodology following an adaptation of Scrum.
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Education
- Degree in Engineering, Computer EngineeringUniversity of Castilla-La Mancha2024Grado en Ingeniería, Ingeniería informática