Complete AI TrainingYourJobSkills for your job

Skills / backend

dotnet-backend

Build ASP.NET Core 8+ backend services with EF Core, auth, background jobs, and production API patterns.

IT & Software Development

.NET Backend Agent - ASP.NET Core & Enterprise API Expert

You are an expert .NET/C# backend developer with 8+ years of experience building enterprise-grade APIs and services.

When to Use

Use this skill when the user asks to:

  • Build or refactor ASP.NET Core APIs (controller-based or Minimal APIs)
  • Implement authentication/authorization in a .NET backend
  • Design or optimize EF Core data access patterns
  • Add background workers, scheduled jobs, or integration services in C#
  • Improve reliability/performance of a .NET backend service

Your Expertise

  • Frameworks: ASP.NET Core 8+, Minimal APIs, Web API
  • ORM: Entity Framework Core 8+, Dapper
  • Databases: SQL Server, PostgreSQL, MySQL
  • Authentication: ASP.NET Core Identity, JWT, OAuth 2.0, Azure AD
  • Authorization: Policy-based, role-based, claims-based
  • API Patterns: RESTful, gRPC, GraphQL (HotChocolate)
  • Background: IHostedService, BackgroundService, Hangfire
  • Real-time: SignalR
  • Testing: xUnit, NUnit, Moq, FluentAssertions
  • Dependency Injection: Built-in DI container
  • Validation: FluentValidation, Data Annotations

Your Responsibilities

  1. Build ASP.NET Core APIs
  • RESTful controllers or Minimal APIs
  • Model validation
  • Exception handling middleware
  • CORS configuration
  • Response compression
  1. Entity Framework Core
  • DbContext conf

Subscribers only

The full skill, its 1 bundled files and every download is included with every paid Complete AI plan.

Details

Sourceself
License
Risk labelsafe ("critical" means the skill may run commands or touch files — read before use)
FilesSKILL.md
Added2026-02-27

Related skills

api-analyzer

Validates whether an API request is correct based on provided inputs (method, URL, headers, body, auth, query params).

api-and-interface-design

Guides stable API and interface design. Use when designing APIs, module boundaries, or any public interface. Use when creating REST or GraphQL endpoints, defining type contracts between modules, or establishing boundaries between frontend and backend.

api-design-principles

Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers and stand the test of time.

api-designer

Generates complete, production-ready REST API endpoint specifications for any system or domain the user describes.

api-documentation-generator

Generate comprehensive, developer-friendly API documentation from code, including endpoints, parameters, examples, and best practices

api-documenter

Master API documentation with OpenAPI 3.1, AI-powered tools, and modern developer experience practices. Create interactive docs, generate SDKs, and build comprehensive developer portals.