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.
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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.
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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 Developer (Backend Services) (Barcelona)
🏢 Indra Group
📍 Barcelona
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