C Development Engineer (Generic Railway Signaling Applications)

At CAF Signalling, we continue to grow! If you are passionate about software development in C, keep reading:

What our colleagues highlight about working at CAF Signalling:

• Cutting-edge technological environment, with real impact on society: Each project is an opportunity to apply adapted, scalable, and sustainable solutions that transform urban and interurban mobility.
• Team culture: Our work environment is characterized by camaraderie, collaboration, and respect
• Professional development: We bet on talent, offering continuous learning opportunities, autonomy at work, and real possibilities for professional growth.
• Flexibility and work-life balance: hybrid work model, flexible hours, intensive workday every Friday of the year and during the summer, adapting to your personal life.
• Social benefits: meal vouchers complementary to your salary and teleworking assistance. We also offer a flexible remuneration package or partially subsidized language classes.

Additionally, we are a 2026 European Top Employer and our employees have rated us 3.8/4 on GLASDOOR.

• Experience in C programming within strict methodologies
• Having performed Unit Testing with Vectorcast, Tessy, or Cantata
• UML
• Knowledge of communication networks and protocols
• You can communicate naturally in English, both in writing and speaking.

You will join the Generic Applications team, where adaptations of CAF Signalling's Interlocking to different railway administrations and projects are carried out.

Tasks to be performed will vary progressively according to integration into the work team and the acquired knowledge of the product and signalling. Specifically, the forecast is:

• Starting with SW implementation and verification tasks. The goal in this phase is to learn the implementation and verification methodology. Implementation is carried out using the SW Requirements Specification (ERS) as a reference, where System requirements are distributed and associated with the different components. The implementation of said components is carried out through state machines.
  In this implementation phase, it is important to gain proficiency in understanding and handling the ERS.
• With a solid foundation regarding component structure and how to navigate the design, the next step is to tackle design/integration tests. In a host environment (eclipse) and using proprietary tools, tests are performed using a proprietary scripting language and supported by continuous integration tools.
• After consolidating concepts in the integration phase, the candidate will be prepared to tackle the next step: adaptations in the ENCE design based on small requirement modifications and/or bug fixes.
• Finally, the candidate will aspire to coordinate all development activities of a specific project, organizing the work of a small group of people, acting as an interface with the client, Engineering, and reporting to the JdP.

We will begin with a phone conversation to get to know you and explain the position and the company.

Next, you will have an individual online meeting with the technical and people team, where you can learn the details of the tasks within the work team, clear up any doubts and curiosities you have about the vacancy.

Finally, after evaluating your application, we will inform you of the final decision of the selection process as soon as possible.

Apply now and catch the train to your future!