Create the digital platforms that transform how millions of passengers book and travel worldwide.

For over 160 years, Siemens Mobility has been a global leader, innovating transportation solutions that move the world. We lead the way in Rolling Stock, Rail Automation & Electrification, Turnkey Systems, Intelligent Traffic Systems, and comprehensive Related Services. Through digitalization, we empower operators worldwide to create intelligent infrastructure, enhance passenger experience, and ensure unparalleled availability.

Join us in transforming Mobility Management, Turnkey Projects, Electrification, Mainline & Urban Transport, and Customer Services. If you're ready to make a real impact on a more connected and sustainable future, your journey starts here.

Your mission in our team Joining Sqills (part of our Siemens Mobility Software business unit) at our Software Development Center in Spain, you will help build S3 Passenger—a cutting-edge global ticketing and reservation platform for public transport operators. Collaborating closely with agile international teams from HaCon and eos.uptrade, your code will directly enhance the passenger experience and operational efficiency across the globe.

You’ll make a difference by

Developing and maintaining scalable, robust software components using TypeScript, React, and Go.Participating in the design and creation of innovative features and capabilities for the S3 Passenger platform.Writing clean, maintainable, and efficient code in line with modern industry standards and best practices.Collaborating with cross-functional, international teams to translate complex requirements into high-quality software delivered on time.Identifying and troubleshooting technical issues, providing creative solutions to complex problems,



and staying ahead of the latest web development trends.Your success is grounded in A Bachelor’s degree in Computer Science, ICT, Business Intelligence, Technical Management, or equivalent practical experience.Solid experience in modern web development, specifically working with TypeScript, React, and Go.Excellent command of HTML, CSS, and JavaScript.Good understanding of software engineering best practices, including unit testing and CI/CD pipelines.Strong analytical and creative problem-solving skills, with the ability to work both autonomously and within agile teams.Fluency in English and willingness for occasional international travel (such as to the Netherlands).You’ll thrive even more if you also bring

Passion for public transport innovation and building high-traffic, general SaaS platforms.Even if you don't meet every single requirement, we encourage you to apply! We value potential, eagerness to learn, and diverse backgrounds.What you can expect when joining You will be part of a team driving digital innovation, sustainability, and positive social impact through customer-oriented solutions.

An inclusive environment where you can be your authentic self and truly belong, supported by dedicated teams and DEI learning resources.A hybrid work model that gives you the best of both worlds: the energy of in-person collaboration and the flexibility of remote work.A culture that values curiosity and guarantees continuous learning,



offering personal and professional development opportunities for everyone.If we all thought the same, we would never think of anything new! That’s why we recruit great minds from all walks of life. We recognise that building a diverse workforce is essential to the success of our business, therefore we encourage applications from a diverse talent pool.

We welcome the opportunity to discuss flexibility requirements with our applicants to encourage agile working and innovation. Flexibility is our main benefit. We combine remote and presence work because work-life balance and wellbeing are essential for our teams.

We are convinced that stay at home allow us to focus on activities that need more time for concentration and being at the office enhance our creativity collaborating and learning from others.

Siemens aboga por la igualdad de oportunidades entre mujeres y hombres, así como en la Diversidad como fuente de creatividad e innovación. Contar con diferentes tipos de talento y de experiencias nos hace ser más competitivos y estar mejor preparados para responder con éxito a las demandas de la Sociedad. Por ello, valoramos a las candidatas y a los candidatos que reflejen la Diversidad que disfrutamos en nuestra Compañía y animamos la cobertura de puestos por mujeres y hombres en ocupaciones que se encuentren subrepresentadas.

Join us and let's shape the future of mobility together! Apply now in English.

Job ID 529002 Posted since 10-Nov-2026 Organization Mobility Field of work Research & Development Company SIEMENS MOBILITY, S.L.U. Experience level Mid-level Professional Job type Full-time Work mode Hybrid (Remote/Office) Employment type Permanent Location(s)

- Valencia - - Spain

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