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The QuantumX track at JISBD 2025 convened Spanish research groups to explore the intersection of Quantum Computing and Software Engineering, focusing on adapting software engineering principles to quantum paradigms. The event facilitated discussion on topics ranging from quantum service engineering to quantum machine learning and fostered collaboration through research network presentations and networking sessions. This paper synthesizes the contributions presented, identifies research themes, and outlines open challenges for Quantum Software Engineering, establishing a foundation for a sustained research community in Spain.
Spain is emerging as a key player in the quantum software ecosystem, pioneering the application of established software engineering principles to the nascent field of quantum computing.
The first edition of the QuantumX track, held within the XXIX Jornadas de Ingenier\'ia del Software y Bases de Datos (JISBD 2025), brought together leading Spanish research groups working at the intersection of Quantum Computing and Software Engineering. The event served as a pioneering forum to explore how principles of software quality, governance, testing, orchestration, and abstraction can be adapted to the quantum paradigm. The presented works spanned diverse areas (from quantum service engineering and hybrid architectures to quality models, circuit optimization, and quantum machine learning), reflecting the interdisciplinary nature and growing maturity of Quantum Computing and Quantum Software Engineering. The track also fostered community building and collaboration through the presentation of national and Ibero-American research networks such as RIPAISC and QSpain, and through dedicated networking sessions that encouraged joint initiatives. Beyond reporting on the event, this article provides a structured synthesis of the contributions presented at QuantumX, identifies common research themes and engineering concerns, and outlines a set of open challenges and future directions for the advancement of Quantum Software Engineering. This first QuantumX track established the foundation for a sustained research community and positioned Spain as an emerging contributor to the European and global quantum software ecosystem.
