Embedded Software Engineer (M/F)

About Exotrail 🚀 Born from a strong ambition to reach for the stars, Exotrail is a fast-growing scale-up founded in 2017. Its mission: to develop and commercialize propulsion systems for small satellites on a global scale. We design products focused on impact, fast delivery, and continuous improvement. Inspired by the digital world, we are firmly customer-oriented and driven by an entrepreneurial spirit. We manage risks to push boundaries and achieve results that would not be possible within a traditional space model. We deploy every necessary resource to support the development of our products, whether in propulsion or in-orbit services. Strengthened by an innovative mindset inherited from our early days, we are preparing to grow into an ambitious industrial company. Job Description 👨‍💻 We are looking for an Embedded Software Engineer at our Massy site, to support the rapid growth. Attached to the System Engineer Team , you will contribute to the design, development, verification, and validation of embedded software dedicated to propulsion systems. You will also develop ad hoc software tools supporting testing and V&V activities. Working closely with multidisciplinary teams, you will help ensure the quality, reliability, and compliance of software deliverables in accordance with space industry standards (ECSS, DO-178C, IEEE, MISRA) and internal development processes. You will collaborate with System, Electronics, Software, Test, Plasma, Mechanical & Thermal, Industrial, Quality, and Project teams in a highly technical and fast-paced environment. Main responsibilities: 📌 Design, develop, test, and maintain embedded software for real-time constrained systems. 📌 Develop software tools for test benches, verification, and validation activities. 📌 Contribute to software requirements definition and ensure traceability between requirements, code, and tests. 📌 Define and execute automated test campaigns and support software qualification activities. 📌 Collaborate with multidisciplinary teams on software architecture, technical reviews, and documentation Preferred Experience 💁‍♀️ Technical skills 📌 3-5 years of experience in Embedded Software 📌 Strong proficiency in embedded C /C++ and Python for test automation tools. 📌 Experience with communication protocols such as CAN, RS422, RS485, and UART. 📌 Knowledge of RTOS, low-level drivers, and embedded software architectures. 📌 Familiarity with ECSS, DO-178C, IEEE, and MISRA standards and development tools. 📌 Experience with GitLab , static analysis tools, debugging environments, and software configuration management. Soft skills 📌 Strong analytical, organizational, and problem-solving abilities. 📌 Autonomous, rigorous, and detail-oriented mindset. 📌 Ability to work effectively within multidisciplinary and multicultural teams. 📌 Clear written and verbal technical communication skills. 📌 Professional proficiency in French and English . About our recruitment process 🤝 We are committed to recruiting the right people for the right job regardless of your private background. We meet at least three times in order to give you a better idea of what it's like to work at Exotrail: 1. Interview with our Talent Acquisition Manager: you will learn more about the position and our culture 2. Technical Interview with someone from the team: you will discover your work environment and learn more about the required qualifications 3. On-site interview with your future manager: you can make sure that you share the same vision and values of the company