Senior .NET Backend Developer 6 Months Contract
We are looking for a Senior .NET Backend Developer to develop, maintain, and support a secure certificate provisioning solution that enables secure device onboarding and end-to-end certificate lifecycle management.
The role combines hands-on backend development with .NET 8/10, ASP.NET Core, Azure services, X.509 certificates, Windows Services, DevOps, and production support. You will work across application development, cloud services, security, integrations, deployment, and operational support.
The ideal candidate will have strong backend development experience and be comfortable working in production environments where security, reliability, troubleshooting, and automation are critical.
Following an initial on-site introduction, the role can be performed remotely.
Requirements
- Design, develop, maintain, and support .NET 8/10 backend services, Windows Services, and ASP.NET Core APIs.
- Implement and support X.509 and other certificate-related workflows, including certificate generation, validation, storage, renewal, and lifecycle management.
- Develop and maintain integrations with Azure Blob Storage, Azure Key Vault, and Application Insights.
- Troubleshoot and resolve production issues across application, infrastructure, integration, and certificate-related workflows.
- Maintain and impro
