Job Summary: We are seeking a Senior Back-End Java Developer for a stable project within a corporate environment, as part of an agile technical team. Key Highlights: 1. Join a dynamic and qualified team. 2. Participate in innovative and cutting-edge projects. 3. Professional stability and career progression. Back-End Java Developer At CAS Training, a leading company with over 20 years of experience in technological consulting, outsourcing, and specialized training, we are looking to hire a Senior Back-End Java Developer to join a stable project within a corporate environment. The selected candidate will join a technical team working with Java technologies in an agile development environment. Minimum Requirements * 4 years of experience in the IT sector. * 3 years of experience with: Java and Spring framework, Oracle. * Front-end: HTML, CSS, JavaScript and/or jQuery and/or AJAX and/or Bootstrap. * Web services: SOAP and/or REST. * Java persistence (JPA and/or Hibernate). * Report generation (Oracle Reports and/or Jasper Reports or similar). * Version control (Apache Subversion -SVN- and/or Git). * Agile development methodologies. * Minimum education: Higher Vocational Training Degree. **Responsibilities:** * Development of Back-End applications in Java (Spring). * Creation and integration of SOAP/REST web services. * Management of persistence using JPA/Hibernate and Oracle. * Maintenance and enhancement of applications within an agile environment. **Offered:** * Join a dynamic, highly qualified team at a company undergoing expansion. * Participate in innovative and cutting-edge projects for top-tier clients across various market sectors. * Long-term projects, professional stability, and career progression. * Permanent contract. * Free access to Cas Training’s annual training catalog. * Salary negotiable based on candidate’s experience and qualifications. **Work Modality:** Hybrid in Madrid (1 day onsite, remainder remote) Java, Oracle, SOAP, Spring