Overview In this role you will develop high-performance, secure Java-based microservices for a mission-critical SaaS suite in the mobility space. You will join a DevOps-focused squad that builds and maintains the S3 Passenger backend, expanding capabilities and refining pipelines. You’ll collaborate with cross-functional teams to improve performance, security, and reliability while exploring new technologies. Expect a hands-on, collaborative environment that values learning, code quality, and measurable impact on passenger experience and operational efficiency. Compensaciones / Beneficios * versátil hybrid work * remote and presence balance * team events * VrijMiBo * Brown Bag Lunch (BBL) * Fat Frying Fridays (FFF)



Responsabilidades * Collaborate on software used to search and book seats for major international travel brands like Eurostar, Renfe, and SNCF * Optimize asynchronous request processing for high-availability and high-performance components, with emphasis on security where needed * Improve development pipelines and assist in analyzing new feature requests * Continuously refactor code to enhance quality and performance Requisitos principales * Experience with Java development * Interest in Kotlin/Go as additional languages used by the team * Strong communication skills in Spanish and English * Team collaboration * Openness to new perspectives * Strong communication * Java * Kotlin * Go

📌 Backend Developer (m/f/d) Mobility Business (Valencia)
🏢 Siemens
📍 Valencia