Senior Windows Software Engineer Biometric & Security Auth (C#, WinBio, FIDO2) Were looking for a Senior Windows Software Engineer who brings deep expertise in Windows desktop development, particularly in C#, WinBio, Credential Providers, and FIDO2 standards. If youre passionate about biometric authentication, building secure and scalable Windows applications, and want to work in a high-impact security tech product company, this is the role for you! Key Responsibilities: Develop, enhance, and maintain robust Windows desktop applications using C#, .NET, and optionally C++. Integrate WinBio for fingerprint/face recognition and Credential Providers for Windows login flows. Implement FIDO2 standards for passwordless authentication. Design scalable and secure systems following SOLID, DRY, and other modern design principles. Manage Group Policy integrations to support enterprise configurations. Lead debugging, code reviews, and mentor junior engineers. Work cross-functionally in an Agile/Scrum environment with product and design teams. Must-Have Skills: 7+ years of experience in Windows application development with C# (.NET Framework/Core). Hands-on with WinBio, Credential Providers, and secure authentication protocols. Experience in FIDO2, OAuth2, JWT, REST/SOAP APIs, and OpenAPI/Swagger. Strong knowledge of Windows GPO (Group Policy Objects) for configuration and deployment. Familiarity with tools like Maven, Gradle, Eclipse, and Visual Studio. Solid understanding of Windows internals, Shell scripting, and Oracle/SQL databases. Nice to Have: Experience with Apigee, Microservices, or working in the Telecom / OSS/BSS domain. Exposure to cloud platforms, DevSecOps, or endpoint security. Prior contributions in building passwordless login, biometric identity verification, or IAM solutions.
