Senior .NET Core Developer Needed for .NET API Build Upgrade

TechFlow Inc

Contract · Remote · Flexible hours

About the role

TechFlow Inc is launching a security hardening initiative for its cloud‑hosted applications. We need a .NET Core Developer to reinforce authentication, data protection, and threat monitoring across our services.

Key responsibilities

• Audit existing .NET Core services for security gaps and implement mitigations
• Integrate Azure Security Center and Key Vault for secrets management
• Write unit and integration tests focused on security scenarios
• Collaborate with DevOps to embed security checks into CI pipelines
• Document hardening guidelines for future development teams

Must-have skills

• 5+ years of .NET Core development
• Strong knowledge of C# and Azure security services
• Experience with OWASP top‑10 mitigations
• Proficiency in writing secure code and automated tests

Nice to have

• Familiarity with container security (Docker, Kubernetes)
• Certifications such as Azure Security Engineer Associate