Hire ASP.NET CORE developers

Hiring Guide: ASP.NET Core Developers

If you’re planning to hire ASP.NET Core developers, you’re seeking experts capable of building modern, secure, and high-performance web applications. ASP.NET Core, developed by Microsoft, is an open-source, cross-platform framework used for creating scalable web APIs, enterprise systems, and cloud-based applications. With its modular architecture, built-in dependency injection, and seamless integration with Azure, ASP.NET Core empowers businesses to deliver robust digital solutions faster and more efficiently.

Why Hire ASP.NET Core Developers?

ASP.NET Core developers bring the power of the Microsoft .NET ecosystem to your organization. They help you create lightweight, cross-platform, and high-speed applications that work seamlessly across Windows, Linux, and macOS. Whether you need a secure enterprise backend, a dynamic web API, or an eCommerce platform, hiring ASP.NET Core professionals ensures scalability, performance, and reliability—all with reduced development overhead.

Core Responsibilities of ASP.NET Core Developers

 
• Design, develop, and deploy web applications using C# and ASP.NET Core MVC.
 
• Build and maintain RESTful APIs and microservices architecture.
 
• Integrate third-party services, APIs, and databases into existing applications.
 
• Implement authentication and authorization using IdentityServer, OAuth, or JWT.
 
• Optimize performance, caching, and scalability of .NET applications.
 
• Collaborate with DevOps teams for CI/CD automation using Azure DevOps or GitHub Actions.
 
• Maintain application security through encryption, input validation, and secure coding standards.

Key Technical Skills to Look For

 
• Languages: C#, VB.NET, HTML, CSS, JavaScript, TypeScript.
 
• Frameworks: ASP.NET Core MVC, Entity Framework Core, Blazor, Razor Pages.
 
• Databases: SQL Server, PostgreSQL, MySQL, MongoDB.
 
• Cloud & DevOps: Azure, AWS, Docker, Kubernetes, Jenkins, GitHub Actions.
 
• Testing Tools: xUnit, NUnit, Moq, Postman.
 
• Front-End Integration: React, Angular, or Vue.js for full-stack .NET applications.
 
• Security & Performance: Data encryption, caching strategies, and application monitoring using Application Insights.

When to Hire ASP.NET Core Developers

 
• When developing cross-platform enterprise or cloud-based applications.
 
• When migrating legacy .NET Framework applications to ASP.NET Core.
 
• When building high-performance APIs and microservices for modern systems.
 
• When you need secure and scalable solutions for healthcare, fintech, or SaaS products.
 
• When integrating Microsoft Azure or hybrid cloud infrastructure into your tech stack.

How to Hire the Right ASP.NET Core Developer

1. Define Your Technical Scope

Determine if your project focuses on backend development, full-stack integration, or cloud-based deployment. Different ASP.NET Core specialists may excel in architecture, API design, or cloud scaling.

2. Review Portfolios and GitHub Repositories

Evaluate candidates’ experience with microservices, REST API design, and performance tuning. Review their public repositories for best coding practices, test coverage, and familiarity with modern DevOps pipelines.

3. Key Interview Questions

 
• What are the key differences between ASP.NET Core and the traditional .NET Framework?
 
• How do you handle dependency injection in ASP.NET Core?
 
• What is middleware in ASP.NET Core, and how do you implement custom middleware?
 
• Explain how you secure APIs using JWT and IdentityServer.
 
• How do you optimize performance and handle caching in large-scale .NET applications?

4. Technical Test

Assign a hands-on project such as building a RESTful API with CRUD operations and authentication using Entity Framework Core. Evaluate code quality, structure, and adherence to SOLID principles.

Average Cost of Hiring ASP.NET Core Developers

ASP.NET Core developers’ rates vary based on experience, location, and project complexity:

 
• Junior Developers (1–3 years): £40–£60/hour
 
• Mid-Level Developers (3–6 years): £65–£100/hour
 
• Senior Developers (7+ years): £105–£150/hour

Hiring through Lemon.io connects you with vetted ASP.NET Core developers who specialize in enterprise-grade systems, secure APIs, and Azure cloud integration. Every developer is pre-tested for their expertise in C#, .NET Core architecture, and performance optimization.

Why Hire Through Lemon.io?

Lemon.io streamlines the hiring process by connecting you with proven ASP.NET Core experts in days, not weeks. Whether you’re upgrading an existing application or building from scratch, our pre-vetted engineers deliver top-tier .NET solutions ready for production.

Hire Expert ASP.NET Core Developers →

Related Skills

 
• Hire .NET Developers – Build full-scale enterprise apps with Microsoft’s trusted frameworks.
 
• Hire C# Developers – Develop robust backends and APIs using modern C#.
 
• Hire SQL Developers – Manage and optimize your databases for .NET applications.
 
• Hire Azure Developers – Deploy and scale your .NET apps securely on Microsoft Azure.
 
• Hire Full Stack Developers – Combine .NET Core backends with modern front-end frameworks.

FAQs About Hiring ASP.NET Core Developers