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# Senior C/C++ Developer F/M

- **Company:** Stormshield SA
- **Location:** Lyon, France (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Unit Testing, C++ (Programming Language), Mobile Application Development, Static Program Analysis, Software Quality, Code Review, Continuous Integration, Data Validation, Data Security, Software Debugging, Device Drivers, Microsoft Visual Studio, Scrum Methodology, Reverse Engineering, WinDBg, Test-Driven Development (TDD), Delivery Pipeline, Technical Debt, Git, Process Monitor, C++14, Jenkins
- **Published:** October 29, 2026
- **Apply:** https://www.welcometothejungle.com/en/companies/stormshield/jobs/senior-c-c-developer-f-m_lyon

## About the Role

This person must master native development on Windows, be comfortable with continuous-integration processes, and actively contribute to code quality and security.

## Description

* 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