.NET Developers Hiring Guide

The Microsoft Software Framework

.NET is a free, open-source application framework developed by Microsoft and used for various types of applications. .NET allows for the usage of multiple languages (such as C#, F#, Visual C++, and Visual Basic), code editors, and plenty of software libraries to build applications for web, mobile devices, desktop machines, games, and even IoT devices. 

There are a few versions of .NET available:

.NET Framework was the original version of .NET and only runs on Windows.

.NET Core is the cross-platform version of .NET and runs on Linux, macOS, and Windows.

Because of its flexibility, Microsoft is actively developing .NET Core and recommends that version over the original. So when you’re looking to employ .NET, make sure you’re using .NET Core.

.NET Developers Hiring Guide 1
  • .NET Developers Hiring Guide 2

    Hiring Guide

  • .NET Developers Hiring Guide 3

    Interview Questions

  • .NET Developers Hiring Guide 4

    Job Description

.NET Core was released in 2016, so it's still very much actively developed and used around the world. Because both web and mobile development has exploded over the past few years, .NET Core is even more popular than ever.

That doesn't mean .NET will be the be-all-end-all of your development needs. Because .NET Core is a relatively new language, it doesn't boast nearly as many libraries as other programming languages. That could easily translate to your business finding critical functionality missing from the platform. That doesn't mean, however, that you should overlook this fast and scalable platform. .NET Core is very easy to learn, with plenty of resources from which to learn, so it can be a valuable asset for any company.

How difficult is it to find good .NET Core developers?

The biggest problem you'll find when trying to hire good .NET Core developers is a lack of seniority. That’s because the language is fairly young and not nearly as widespread as other, older languages. Additionally, .NET Core has a steeper learning curve than languages like PHP or Python.

So when you're looking for good .NET Core developers, it's very important to hire those who not only have been using the language for some time but are well-versed in the languages it supports and who can develop cross-platform. You might also need to find developers with an expanded toolkit that includes:

  • .NET Core development
  • .NET Web App development
  • ASP.NET MVC development
  • REST API development
  • WPF Application skills
  • Azure Cloud integration

This means you should be looking for developers with a larger skillset that can take advantage of everything .NET Core has to offer.

How to choose a .NET Core developer for your project?

Beyond ensuring a potential developer has the necessary skills, you need to look for certain qualities that help make a good .NET Core developer.

First off, a .NET Core developer must be proficient with C#. Along with that, any .NET Core developer must be well versed in the Microsoft Visual Studio IDE. Although VS Code isn't nearly as powerful as Visual Studio, it’s also a development environment that is certainly suitable for .NET Core development.

Beyond the obvious tangibles, you'll want to look for developers with a positive attitude. Development with .NET Core can be challenging, and the speed at which businesses want to accelerate gets faster and faster with each passing year. So having a positive attitude at all times can go a very long way to making a good teammate.

Other points to look for in a good .NET Core developer include:

  • Strong debugging skills and ability to detect and fix errors 
  • Familiarity with .NET Framework. 
  • A very strong grasp of Object-Oriented Programming.
  • Ability to ask the right questions of clients, customers, and those above them.
  • Solid understanding of application UX and UI design.
  • Must understand the difference between Web and Backend (and how to develop for each).
  • Open to alternative ways of solving a problem
  • Excellent communication skills 
  • Self-motivated and not reliant on a boss to keep them busy and on track.
  • Agility to pivot quickly to keep up with project shifts
  • Ability to communicate very complex ideas in non-complicated ways to stakeholders.
  • Full understanding of full-stack development, automation, and containers.
  • Humility


Hiring a good .NET developer might seem like an impossible task. It's not. Remember, many developers already have a strong grasp on many of the fundamentals of programming, so all you need to do is ensure those who would develop with .NET Core can fill in the missing pieces so they can serve your project well.

What is the difference between .NET Framework and .NET Core?

.NET Core is must faster.

.NET Core works better in containers.

.NET Core has better support.

.NET Core is cross-platform, whereas .NET Framework only works on Windows.

.NET Framework has pre-configured environments and systems.

.NET Core has a steeper learning curve.

What languages does the .NET framework support?

.NET Framework supports more than 60 languages, such as VB.NET, Cobal, Pearl, C#, C++, and F#. .NET Core supports fewer languages, but includes those like C#, VB.NET, F#, XAML, and TypeScript.

What is the difference between managed and unmanaged code?

Managed code is run by the Common Language Runtime (CLR) and requires the .NET Framework to execute. Unmanaged code doesn’t require the CLR for execution.


Explain how to execute managed code

  1. Write the code.
  2. Compile the code.
  3. During the compilation, the managed code should be converted into an intermediate language that is then targeted by the CLR within the .NET Framework and converted to native code that is then executed within the framework.

What is the garbage collection process?

Garbage collection is a process that performs memory usage optimization. .NET Framework uses the garbage collector to release unused code from within memory at different times. Most often the garbage collector will release objects in Generation 0, which are short-lived. The garbage collector works in 4 phases:

  • Phase 1: identifies a list of objects.
  • Phase 2: updates references for the objects to be compacted. 
  • Phase 3: reclaims the space taken up by dead objects.
  • Phase 4: remaining code is transported to an older segment.

We are looking for a C# developer to join our development team to build modern applications. We are looking for smart individuals and team players who can code, test, and execute applications. It’s an excellent opportunity for professionals who want to grow their skills. The developer should be able to design sophisticated and quality products.


  •  Design, scale, and maintain reliable C# code
  • Create in-house and client applications as per requirements. 
  • Test and debug software modules. 
  • Report and solve product issues. 
  • Improve performance and functionality of systems
  • Coordinate with internal and external teams to understand requirements and create solutions 
  • Follow best industry practices and standards

Skills and Qualifications

  • Knowledge of C# and its environment. Also should know the .Net framework. 
  • Experience in designing reusable libraries and frameworks (e.g. Nancy)
  • Basic understanding of OOP design principles for scalable applications
  • Proven experience with languages such as Javascript and HTML 
  • Experience with database and SQL language
  • Experience with code versioning tools (Git)
  • Knowledge of MVC principles and code arrangement
  • Problem-solving skills and team spirit 

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