Embedded Software Engineer

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

📌 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

• Interview with our Talent Acquisition Manager: you will learn more about the position and our culture
• Technical Interview with someone from the team: you will discover your work environment and learn more about the required qualifications
• On-site interview with your future manager: you can make sure that you share the same vision and values of the company