Hire .NET Core developers

Hiring Guide: .NET Core Developers

If you’re looking to hire .NET Core developers, you’re seeking professionals capable of building fast, scalable, and cross-platform applications using Microsoft’s modern development framework. .NET Core (now .NET 6/7/8) empowers teams to create APIs, microservices, enterprise software, and cloud-native systems that run seamlessly across Windows, Linux, and macOS. The right developer can help you modernize legacy .NET apps or build new solutions from the ground up with optimal performance.

Why Hire .NET Core Developers?

Hiring a .NET Core developer ensures your project benefits from Microsoft’s evolving technology stack, including performance optimization, containerization, and cloud integration. These professionals bring strong experience with C#, ASP.NET Core, Entity Framework Core, and Azure—making them ideal for modern web applications, SaaS platforms, and enterprise systems. They also have the flexibility to integrate with APIs, front-end frameworks, and databases across multiple environments.

Core Responsibilities of .NET Core Developers

 
• Design, develop, and maintain web applications, APIs, and backend services using ASP.NET Core.
 
• Implement secure, maintainable, and reusable code following SOLID principles and clean architecture.
 
• Develop and optimize microservices for scalability and performance.
 
• Integrate with relational and NoSQL databases using Entity Framework Core.
 
• Configure CI/CD pipelines and deploy .NET Core apps to Azure, AWS, or Docker/Kubernetes environments.
 
• Collaborate with front-end, DevOps, and QA teams to ensure end-to-end software quality.
 
• Troubleshoot performance issues, conduct testing, and maintain application health.

Key Technical Skills to Look For

 
• Programming Languages: C#, F#, and VB.NET for backend logic and APIs.
 
• Frameworks: ASP.NET Core, Entity Framework Core, Blazor, and SignalR.
 
• Databases: SQL Server, PostgreSQL, MySQL, MongoDB, and Redis.
 
• Architecture: Microservices, REST APIs, MVC, and Clean Architecture principles.
 
• Cloud Platforms: Microsoft Azure, AWS, and Google Cloud Platform integration.
 
• Testing Tools: xUnit, NUnit, Moq, and integration testing with Postman or Swagger.
 
• DevOps Tools: Docker, Jenkins, GitHub Actions, and Kubernetes for deployment automation.

When to Hire .NET Core Developers

 
• When modernizing legacy .NET Framework applications into cross-platform .NET Core solutions.
 
• When building scalable enterprise web apps, APIs, or backend systems.
 
• When developing cloud-native applications hosted on Azure or AWS.
 
• When implementing microservices or containerized architectures.
 
• When you require integration with enterprise authentication systems like Active Directory or OAuth2.

How to Hire the Right .NET Core Developer

1. Define Your Project Requirements

Determine whether your focus is web development, API creation, or enterprise system modernization. Clarifying scope helps identify whether you need a full-stack .NET Core developer or a backend specialist.

2. Review Experience and Technical Depth

Look for candidates with hands-on experience deploying applications to cloud services and working with containerized environments. Certifications like Microsoft Certified: .NET Developer or Azure Developer Associate are a strong plus.

3. Interview Questions

 
• What are the advantages of .NET Core over .NET Framework?
 
• Explain dependency injection and how it works in ASP.NET Core.
 
• How would you handle database migrations with Entity Framework Core?
 
• What is middleware in ASP.NET Core, and how do you implement it?
 
• Describe your experience with Dockerizing .NET Core applications.
 
• How do you ensure application security using authentication and authorization in .NET Core?

4. Practical Assessment

Ask candidates to build a small RESTful API using ASP.NET Core, Entity Framework, and a relational database. Evaluate their approach to structure, error handling, and adherence to best practices.

Average Cost of Hiring .NET Core Developers

The hourly rates for .NET Core developers depend on experience and region:

 
• Junior Developers (1–3 years): £40–£60/hour
 
• Mid-Level Developers (3–6 years): £65–£95/hour
 
• Senior Developers (7+ years): £100–£140/hour

Hiring through Lemon.io gives you access to pre-vetted .NET Core developers with expertise in scalable cloud applications, microservices, and secure enterprise solutions.

Why Hire Through Lemon.io?

Lemon.io connects you with top-tier .NET Core developers who combine software craftsmanship with business awareness. From cloud-native applications to enterprise integrations, our experts help you build reliable, maintainable, and future-ready systems.

Hire Expert .NET Core Developers →

Related Skills

 
• Hire ASP.NET Core Developers – Build dynamic and secure web applications.
 
• Hire C# Developers – Develop robust backend systems and APIs with C#.
 
• Hire .NET Developers – Modernize or scale existing .NET-based solutions.
 
• Hire DevOps Engineers – Automate .NET deployments and optimize CI/CD pipelines.
 
• Hire Software Developers – Strengthen your engineering team with experienced developers.

FAQs About Hiring .NET Core Developers