Java Developer for Mobility Business

Are you interested in contributing to our goal of becoming the world leader in software for public transport operators? Would you like to work at a dynamic and innovative organization whose software is utilized globally? If so, this is the perfect job opportunity for you

Siemens Mobility is a separately managed company of Siemens AG with 160 years of experience in the field of transport solutions. Sqills, part of Siemens Mobility business unit Software, is a leading technology company focused on providing innovative solutions for the public transport industry. With a commitment to excellence, we are dedicated to improving the passenger experience and increasing operational efficiency for our clients across the globe.

Sqills is building S3 Passenger, a cutting-edge platform for the public transport industry. The platform offers a wide range of features and capabilities to improve the passenger experience and increase operational efficiency for our customers.

We are operating a Software Development Center in Aveiro, Portugal, targeting Intelligent Solutions for the future of Mobility. We want YOU to join our team in the capacity of:

Java Developer (m/f/d)

Your key responsibilities

- Collaborating on software used to find and book seats for major international travel brands like Eurostar, Renfe, and SNCF.

- Optimising the processing of asynchronous requests for high-availability, high-performance components or to put extra effort in securing the processes as much as possible.

- Improving development pipelines or helping analyse new feature requests.

- Continuously refactoring code to improve its quality and performance.

Are you a match?

- Do you have what it takes to work on a mission critical Java microservice?

- Are you passionate about refactoring code and making it shine?

- Do you enjoy working in a team that welcomes new perspectives and is eager to hear your ideas?

- Do you get a warm feeling when thinking about learning a new programming language or technology?

- Are you proficient in in English and possess strong communication skills?

Skills In Artificial Intelligence (AI)

We are also looking for professionals familiar with the use of generative AI tools (e.g. ChatGPT, Copilot, Gemini), capable of applying these technologies to increase efficiency, support data analysis, and improve the quality of deliverables in R&D and project contexts.

Desirable Technical Requirements

- Familiarity with generative AI tools (e.g. ChatGPT, Copilot, Gemini) applied to productivity and data analysis, preferably in:

- Practical day‑to‑day application: using AI to draft and review texts, generate ideas, structure presentations, automate repetitive tasks, and synthesize large volumes of information.

- AI‑assisted data analysis: using tools with integrated AI to interpret dashboards, generate insights, and support data‑driven decision‑making.

- Critical interaction with AI systems: knowing how to formulate instructions (prompts), assess the quality of generated responses, and apply critical thinking to validate and adapt results to the project context.

Related Behavioral Competencies

- Technological curiosity and openness to continuous learning.

- Critical thinking and adaptability to new digital tools.

- Proactivity in identifying improvement opportunities using AI.

What do we offer?

- Attractive remuneration package and career development opportunities

- Free Health Insurance

- Possibility to subscribe to Siemens Pension Plan and Siemens Share Program

- Two volunteering days per year

- Access to Siemens Learning Platform that allows access to internal courses and other platforms such as Coursera, GetAbstract, Harvard Business Review, LinkedIn, and others

- Exclusive discounts on Siemens, Bosch and Balay brands

If this sounds exciting to you, then please send us your application – in English – and we will get back to you

We value your unique identity and perspective, recognizing that our strength comes from the diverse backgrounds, experiences, and thoughts of our team members. We are fully committed to providing equitable opportunities and building a workplace that reflects the diversity of society. We also support you in your personal and professional journey by providing resources.

At Siemens Mobility we believe physical barriers are not related to potential. Only the potential matters to us. Therefore, we look forward to receiving applications of candidates with physical barriers and chronic illnesses. We support healthy relationships between candidates with barriers and their colleagues because we believe we can create differences together.

Siemens Mobility is dedicated to quality, equality, and valuating diversity, and we encourage applications that reflect the diversity of the communities within which we work.

We look forward to receiving your online application. Please ensure you complete all areas of the application form to the best of your ability as we will use the data to review your suitability to the role to help you thrive. Come bring your authentic self and create a better tomorrow with us.

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