> Markdown version of [/jobs/ext/3847496-senior-c-engineer](https://www.wearedevelopers.com/jobs/ext/3847496-senior-c-engineer). 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 C++ Engineer - **Company:** Paradigm - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $85,000.0 - **Contract:** Permanent contract - **Skills:** .NET Framework, Microsoft Windows, User Authentication, Biometrics, C Sharp (Programming Language), C++ (Programming Language), Integrated Windows Authentication, Public Key Infrastructure, Azure Active Directory, Software Engineering, Microsoft InTune - **Published:** October 20, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/pszayilncy ## About the Role * Strong software engineering experience with C++17 or C++20. * Demonstrable knowledge of PKI, cryptography and secure authentication. * Experience with Microsoft Entra ID, Intune and Windows installers. * Strong problem-solving and communication skills. * Experience developing Windows applications and system-level components. Desirable Experience * Windows Credential Providers, WinRT or Key Storage Providers. * C#/.NET, WinUI or IoT technologies. * CI/CD pipelines for low-level components. * An interest or experience with IoT If you're a Windows engineering specialist looking for a technically challenging role working on next-generation identity and authentication solutions, I'd love to hear from you. ## Description * Lead the development and architecture of Windows SDKs and authentication components. * Build secure Windows authentication solutions integrating biometric technology. * Develop certificate-based authentication for Windows Login. * Provide technical guidance across the software development lifecycle.