Hire ASP.NET CORE developers

Build complex, enterprise-grade applications with expert ASP.NET CORE developers ready to join your team.

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How it works

How to hire a ASP.NET CORE developer through our platform

1

Place a free request

Fill out a short form and check out our ready-to-interview developers

2

Tell us about your needs

On a quick 30-min call, share your expectations and get a budget estimate

3

Interview the best

Get 2-3 expertly matched candidates within 24-48 hours and meet the worthiest

4

Onboard the chosen one

Your developer starts with a project—we deal with a contract, monthly payouts, and what not

Testimonials

7 developers hired in 24 hours

The developers helped us speed up. They quickly learned their part of the app and we’re grateful for their contribution.

Conor MackenConor MackenDirector of Engineering, tvScientific
Start to finish in under a week with zero wasted time

Reached out on Monday evening, connected Tuesday morning, had four qualified candidates by Wednesday.

Brian DeSpainBrian DeSpainCEO, 10X ERP
High quality, well-qualified developers

We had an excellent experience. Process is fast from the initial intake through setting up payment.

Katie RoyKatie RoyExecutive Director, The SPEND Initiative

What we do for you

Vet every developer

All our developers are fully vetted and tested for both soft and hard skills. No surprises!

1000+ already scanned profiles

Learn your needs

On a quick 30-min call, share your expectations and get a budget estimate

Human-centered estimation

Shortlist the best matches

Get 2-3 expertly matched candidates within 24-48 hours and meet the worthiest

Match in a 24 hours

Handle the paperwork

Your developer starts with a project—we deal with a contract, monthly payouts, and what not

Hire after 1–2 interviews

The lemon tea

Why hire ASP.NET CORE developers through our platform?

Find devs with skills you can trust with Lemon.io, so you can stop looking and start making progress again.

Why hire ASP.NET CORE developers through our platform?

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.
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  • Build and maintain RESTful APIs and microservices architecture.
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  • Integrate third-party services, APIs, and databases into existing applications.
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  • Implement authentication and authorization using IdentityServer, OAuth, or JWT.
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  • Optimize performance, caching, and scalability of .NET applications.
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  • Collaborate with DevOps teams for CI/CD automation using Azure DevOps or GitHub Actions.
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  • 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.
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  • Frameworks: ASP.NET Core MVC, Entity Framework Core, Blazor, Razor Pages.
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  • Databases: SQL Server, PostgreSQL, MySQL, MongoDB.
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  • Cloud & DevOps: Azure, AWS, Docker, Kubernetes, Jenkins, GitHub Actions.
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  • Testing Tools: xUnit, NUnit, Moq, Postman.
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  • Front-End Integration: React, Angular, or Vue.js for full-stack .NET applications.
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  • 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.
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  • When migrating legacy .NET Framework applications to ASP.NET Core.
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  • When building high-performance APIs and microservices for modern systems.
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  • When you need secure and scalable solutions for healthcare, fintech, or SaaS products.
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  • 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?
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  • How do you handle dependency injection in ASP.NET Core?
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  • What is middleware in ASP.NET Core, and how do you implement custom middleware?
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  • Explain how you secure APIs using JWT and IdentityServer.
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  • 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
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  • Mid-Level Developers (3–6 years): £65–£100/hour
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  • 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.

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FAQs About Hiring ASP.NET Core Developers

 
  

What is ASP.NET Core used for?

  

   

ASP.NET Core is a cross-platform framework used to build web applications, APIs, and cloud-based services that run on Windows, macOS, and Linux.

  

 

 

  

Is ASP.NET Core better than traditional .NET Framework?

  

   

Yes. ASP.NET Core is faster, modular, open-source, and cross-platform, making it ideal for modern, scalable web applications.

  

 

 

  

Can ASP.NET Core run on Linux servers?

  

   

Yes. ASP.NET Core is fully cross-platform and runs seamlessly on Linux, macOS, and Windows, making it ideal for containerized environments.

  

 

 

  

What industries use ASP.NET Core most?

  

   

ASP.NET Core is widely used in fintech, healthcare, SaaS, and enterprise software due to its scalability, performance, and integration with Microsoft technologies.

  

 

 

  

Can I hire remote ASP.NET Core developers through Lemon.io?

  

   

Absolutely. Lemon.io connects you with vetted remote ASP.NET Core developers who can build, deploy, and maintain your applications efficiently.

  

 


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Why hire ASP.NET CORE

Over 6500 companies use ASP.NET CORE as their main framework, including giants like Google, Amazon and Lyft.

High-quality web apps

ASP.NET CORE's modular approach lets devs reuse components, so they can seamlessly manage app complexity.

Faster development process

ASP.NET CORE's architecture and a vast library of pre-built components speed up development, so you can get to market sooner.

Enjoyable user experience

From smooth, responsive interfaces to reduced loading times, devs can use ASP.NET CORE to boost usability.

Scaling made easy

ASP.NET CORE's modular, component-based architecture makes it easy to scale applications as traffic grows.

Case studies

Aerospace

The experience with Lemon.io has been fantastic. The interview process has been good, the caliber of people – excellent and integration has been very smooth.

Marc Horowitz
Marc HorowitzCOO of SkyFi
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Telecommunications

We needed extra developers to clean off all these bugs so the company could skyrocket.

Conor Macken
Conor MackenDirector of Engineering
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AI

We needed extra AI engineers to keep our ambitious project running.

Mike Lukiman
Mike LukimanFounding Senior Software Engineer at Everstar.ai
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Frequently asked questions

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