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.NET Developer(Application Security Focus)

Talentmatics
Full Timemid
Posted April 5, 2026

Job Description

You are a C# / .NET Developer passionate about building secure, cloud-native applications. The role requires you to engineer robust authentication & authorization systems in an Azure environment. This is a hands-on builder role where you will design and implement modern identity solutions.

**Key Responsibilities:**

  • Build and manage Authentication (AuthN) & Authorization (AuthZ) using ASP.NET Core Identity, Microsoft Identity Web, OAuth 2.0 & OIDC
  • Integrate applications with Microsoft Entra ID (Azure AD) and manage App Registrations
  • Design RBAC, Claims-based & Policy-based access control
  • Implement secure, passwordless solutions using Azure Managed Identity & Key Vault
  • Handle JWT tokens, token caching & OBO (On-Behalf-Of) flows

**Qualifications Required:**

  • Strong expertise in C# / .NET Core (ASP.NET Core 6/8)
  • Solid understanding of OAuth 2.0, OIDC, SAML
  • Hands-on experience with Azure App Services, Functions & Entra ID
  • Experience with Azure Identity libraries (DefaultAzureCredential)

It would be valuable to have experience in migration from legacy authentication to SSO (Azure Entra ID), multi-tenant applications, and exposure to Conditional Access & claims challenges. You are a C# / .NET Developer passionate about building secure, cloud-native applications. The role requires you to engineer robust authentication & authorization systems in an Azure environment. This is a hands-on builder role where you will design and implement modern identity solutions.

**Key Responsibilities:**

  • Build and manage Authentication (AuthN) & Authorization (AuthZ) using ASP.NET Core Identity, Microsoft Identity Web, OAuth 2.0 & OIDC
  • Integrate applications with Microsoft Entra ID (Azure AD) and manage App Registrations
  • Design RBAC, Claims-based & Policy-based access control
  • Implement secure, passwordless solutions using Azure Managed Identity & Key Vault
  • Handle JWT tokens, token caching & OBO (On-Behalf-Of) flows

**Qualifications Required:**

  • Strong expertise in C# / .NET Core (ASP.NET Core 6/8)
  • Solid understanding of OAuth 2.0, OIDC, SAML
  • Hands-on experience with Azure App Services, Functions & Entra ID
  • Experience with Azure Identity libraries (DefaultAzureCredential)

It would be valuable to have experience in migration from legacy authentication to SSO (Azure Entra ID), multi-tenant applications, and exposure to Conditional Access & claims challenges.

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