Indra Group, Tech for the future. We drive digital transformation with real impact. We work on critical systems for transport, ticketing, revenue collection, operations and smart mobility, with an impact on national and international projects. We are a leading general technology and consulting company, present in more than 140 countries, developing innovative solutions in critical sectors such as Defence, Space and Transport. Our purpose is to create a safer, more efficient and sustainable future through technology. ?????? Develop and evolve backend middleware applications with Java. Design and implement real-time integrations between different systems and applications. Develop and maintain REST APIs and communications using WebSocket (WS/WSS) and MQTT. Participate in defining and applying integration and interoperability architectures. Implement and maintain automated quality tests (unit, integration and end-to-end). Collaborate on optimizing CI/CD pipelines and development processes.



Degree in Computer Engineering or a related field. Solid experience in backend development with Java (more than 5 years). Advanced experience developing REST services. Knowledge of real-time communications using WebSocket (WS/WSS) and/or MQTT. Experience with automated testing (unit, integration and end-to-end). Experience working with Maven and collaborative development environments. Knowledge of CI/CD and management tools such as Jira. Intermediate level of English and Catalan. ??????? Innovative, high-impact projects: You will work with cutting-edge technologies, with an impact at both national and international level. Designed to support your professional growth and development. Long-term projects at a leading company with more than 60,000 professionals, offering financial security. Ongoing training:

📌 Java software application Developer (Barcelona)
🏢 Indra Group
📍 Barcelona