Senior C/C++ Developer

at a glance Stormshield, the leading French publisher and European reference player in cybersecurity, is a subsidiary of Airbus Defence and Space Cyber Programmes and offers innovative, certified, European‑level‑qualified security products for protecting networks and data. To keep growing, we are looking for a Senior C/C++ Developer. This person must master native development on Windows, be comfortable with continuous‑integration processes, and actively contribute to code quality and security. What are the responsibilities of the Senior C/C++ Developer? - Analyse, reproduce and fix incidents reported by support or customers, and manage technical debt; - Design, implement and test new features in modern C++ (resource management, smart‑pointers, STL, constexpr , std::thread , etc.); - Work hand‑in‑hand with Product Owners and Tech Leaders to create functional and technical specifications; - Provide strong expertise to the support team (crash analysis, diagnostic scripts, “how‑to” documentation); - Apply defensive‑programming principles (input validation, buffer limits, encryption, …) in both C and C++; - Participate in pull‑requests, mentor junior developers and spread best practices. And, as a bonus, depending on your interests: - Optimise our CI pipeline (security‑test deployment, static analysis, build artefacts); - Become an internal trainer, run Tech‑Talks , take part in innovation days…; - Share your favourite domain (reverse engineering, driver development, cryptography, etc.). What is the technical environment? - Languages: C (C99/C11), C++ (C++ 17/20) - Windows development: Visual Studio 2019‑2026, SDK/WDK, COM, kernel‑mode drivers - Continuous integration: Jenkins, Git, automated pipelines (unit tests, static analysis) - Analysis & debugging: WinDbg, Sysinternals Suite (Process Explorer, Process Monitor, ProcDump…) - Methodologies: Scrum, LeSS, Kanban, TDD, code reviews, defensive programming - Domain focus: endpoint protection, data encryption, access control, EDR Which team? You will join the R&D team for Endpoint & Data Security products, made up of roughly 30 people organised in Scrum/LeSS and Kanban (large‑scale agility). The + Stormshield - Innovation Time Off - Holiday bonuses, profit‑sharing and participation - Airbus ESOP - Sick child leave - Positive Company certified with two stars Discover our social policy Recruitment process 1 A first conversation with Gauthier , our recruiter, to get to know you and discuss your background. 2 An on‑site interview with Nicolas , who will present the team’s way of working and the vision for the role. 3 A technical interview right after, with part of your future team. 4 A final HR interview with Marie. The commitments Stormshield Stormshield is committed to creating an inclusive working environment. We welcome all applications , regardless of social or cultural background, age, gender, disability, sexual orientation or religious beliefs.