> Markdown version of [/jobs/ext/4025246-senior-avionics-real-time-software-engineer-do-178c](https://www.wearedevelopers.com/jobs/ext/4025246-senior-avionics-real-time-software-engineer-do-178c). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Avionics Real-Time Software Engineer - DO-178C - **Company:** Grupo Oesía - **Location:** Rivas-Vaciamadrid, Spain - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Embedded Software, Real-Time Operating Systems, DO-178B - **Published:** October 30, 2026 - **Apply:** https://www.jobleads.com/es/job/senior-avionics-real-time-software-engineer-do-178c--rivas-vaciamadrid--eb33543ba4cad498bc23443dd6998ac65 ## About the Role Requirements include 5+ years in embedded software, C/C++, DO-178C experience, DOORS and LDRA proficiency, and English fluency for an international environment. ## Description Tecnobit-Grupo Oesía seeks a Senior Safety-Critical Software Engineer to join its Avionics & Communications team in Madrid. You will design and certify real-time embedded software for safety-critical avionics systems following DO-178C. Requirements include 5+ years in embedded software, C/C++, DO-178C experience, DOORS and LDRA proficiency, and English fluency for an international environment.