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Who Uses C#? Companies That Use C# and What C# Is Used For

David Munyaka - August 05, 2022

In the United States, programming languages and their related occupations are growing increasingly popular. C# is a widely used coding language that is also one of Microsoft’s primary programming languages. Aspiring developers must learn C# , especially if they plan on working with Microsoft tools in the future.

You’ll have a wide range of employment opportunities in the future if you learn a language such as C# and become a professional software developer. If you are interested in pursuing a career as a C# developer, keep reading. We’ve highlighted everything you need to know, including who uses C#, what C# is used for, and the most well-known companies that use C#.

What Is C#?

C# is a widely used high-level language that allows programmers to create a wide range of applications. It’s a structured programming language that is object oriented. This means it’s faster, provides a clear program structure, and shortens development time. It also enables software developers to build robust applications in .NET.

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C# was created by Microsoft and it borrows features from other programming languages such as C, C++, and Java. It has various functions that help developers create robust and durable applications such as garbage collection, exception handling, Lambda expressions, language integrated query (LINQ), and nullable types.

C# is a popular programming language that ranks highly in TIOBE’s index, which examines more than 1056 million lines of software source code for its customers across the world. If you are employed by Microsoft, any device or software you work on will likely require C# knowledge.

  • C# ranks fifth in TIOBE’s rating index. The specialized assessing and software tracking company ranked C# fifth out of 50 programming languages at the start of 2022, with Python coming in first.
  • Statista estimates that 27.86 percent of all developers use C#. According to a survey by Statista, 65 percent of all developers use JavaScript, 56 percent use HTML and CSS, 48.24 percent use Python, and 27.86 percent use C# .

What Is C# Used For?

C# is considered a general-purpose programming language used to build different types of applications and web-based services. Due to its speed and ease of use, it is popular among developers and it is applied in backend services, Windows apps, website development, and game development. Below you will find a list of where the application of C# is most commonly found.

Web Applications

C# is a programming language that software developers use for a wide range of web development projects. Although this language was created back in 2000, many businesses that care to establish websites turn to C#. The Xbox website is an excellent example of a C#-based website.

Game Development

C# is widely used by game developers. If you are an aspiring game developer, you’ll learn how to create games using Unity, a renowned game engine that uses C# and .NET files to deliver a powerful development experience.

Workflow Applications

A workflow app is a software tool that automates tasks or projects involved in a business setup. These systems are essentially based on .NET, which prompts many programmers to use C# during the development phase. The requirements to build an app like this include installing Visual Studio and the .NET framework 4.0.

Windows Services

Web services are basically software systems that support communication and other interactions between different computers over a network. C# is used by developers to create web services that can be called from a web application that is built on JavaServer pages and runs on Linux.

List of C# Companies: Overview

Companies That Use C# Who Uses C# at This Company? What Does This Company Use C# For? Estimated Number of Employees
Accenture C# .Net developer with Azure, application developer (C#), .NET developer Helps develop faster, more agile, and flexible applications at Accenture Labs for clients 674,000
Aristocrat Senior software engineer C#, software developer – C# and C++, senior developer .Net Game development 6,500
City National Bank Lead .NET software engineer, full stack senior engineer, program analyst Developing Cloud-first applications primarily written in C# 3,000
Invitae Remote software engineer, software engineer- Cloud platform Applications/ Cloud development and maintenance 2,100
Microsoft Software engineer, Azure app innovation specialist, app consultant Web applications, Microsoft Web services, Game development (Xbox) 181,000
Nuance Senior software engineer (C#, .NET), Cloud delivery developer, principal software engineer, C#, .NET, ASP.NET App development 6,900
ServiceTitan Senior software engineer, Android, lead developers, senior Salesforce DevOps engineer App development, web services 1,547
Stack Overflow Remote experienced backend engineer – C# / .NET Core, remote software engineers, web developers Web services, application development 122
Trustpilot Senior front end software engineer – business engagement, full stack engineer, software developer Web services 669
Wintrust Financial Corporation Senior software engineer, senior application specialist, principal Salesforce software engineer Front end web development 4,727

List of Companies That Use C#, Expanded

Although C# was developed in 2000, many modern companies still use this language, especially when developing business applications that target the Windows environment. It’s a leading web language that also supports the development of games for video game consoles. Let’s go into more detail about how different companies and professionals use C#.


Accenture is a leading professional services company that offers technological solutions and consultation services. The company provides cloud solutions to clients and hires professionals with skills in various languages, such as C#, to help with relevant projects. Accenture works with a lot of Microsoft applications, so recruiting managers look for professionals who know C# and Azure.

Average Salaries for Accenture Employees Who Use C#


Aristocrat is a top gaming company known for developing free-to-play casino games and games for mobile devices. The firm uses C# through Unity to create immersive and responsive games. C# is integral to building robust, scalable, and testable software. When recruiting for game developers, the company prefers professionals with commercial development experience in C#.

Venus, a software engineer at Rockbot

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Average Salaries for Aristocrat Employees Who Use C#

City National Bank

City National Bank (CNB) offers a wide range of financial services, including personal, business, and private banking. Like most financial institutions, City National Bank has apps and websites dedicated to offering excellent services to its clients. It employs developers and engineers with working knowledge of C# to design, code, and test their software products.

Average Salaries for City National Bank Employees Who Use C#


Invitae is a biotech company that specializes in medical genetic testing. The company is working on several cloud and technology projects. For this reason, they employ software engineers to write custom test automation frameworks in C#.

Average Salaries for Invitae Employees Who Use C#


Microsoft is one of the world’s leading computer and software companies. It developed C# to cope with the growing demands of web applications back in the year 2000. As a result, the company uses this programming language for the development of web services, games, and applications.

Average Salaries for Microsoft Employees Who Use C#


Nuance is an American software company best known for speech recognition and artificial intelligence software. Nuance hires developers and engineers to create solutions that enable people to have seamless interactions with technology. It is continuously working on technological advancements in these sectors and uses C# to design, code, and test applications.

Average Salaries for Nuance Employees Who Use C#


ServiceTitan is a rapidly growing software technology platform for trading. The ServiceTitan software is designed for organizations offering commercial HVAC, electrical, plumbing, and other services. This company uses C# to aid in developing its Android and web-based applications.

Average Salaries for ServiceTitans Employees Who Use C#

Stack Overflow

Stack Overflow is a top website that serves over 100 million people per month. It is incredibly useful, especially for those who are learning to code because it allows them to share their knowledge and build their careers. The site is written in C#.

Average Salaries for Stack Overflow Employees Who Use C#


Trustpilot is an open review platform where consumers can post their experience buying goods or services from different companies. It’s an open site that also invites companies to respond to claims made by verified purchases. Trustpilot uses C# as well.

Average Salaries for Trustpilot Employees Who Use C#

Wintrust Financial Corporation

The Wintrust financial corporation is a financial services provider based in Wisconsin. Like most banks and financial institutions, Wintrust uses C# primarily for front end web development, also known as client-side development.

Average Salaries for Wintrust Financial Corporation Employees Who Use C#

C# Bootcamps: Who Uses C# to Teach Students How to Code?

Joining a coding bootcamp is one of the best ways to learn programming languages like C#. Bootcamps are online or in-person programs that teach learners how to code in a short amount of time. They also provide career assistance to help students prepare for the job market. Below you will find a list of some of the best coding bootcamps that integrate C# into their curriculum.

  • The Tech Academy . The Tech Academy is a technology trade school with multiple campuses across the United States. This school provides courses on various topics, including training in C#. It also offers free classes in C# designed to help students learn the basics before committing to a full-time program.
  • Tech Elevator . Tech Elevator is a coding bootcamp that lasts for 14 weeks and includes courses designed to transform students into software developers. It teaches students various programming languages, such as Java or C#, based on industry trends.
  • Code Fellows . Code Fellows is a top coding bootcamp that offers software development and cyber security courses. Students are taught how to write advanced, clean C# code by using several software engineering techniques and Microsoft’s ASP.NET Core framework.

Which Real-World C# Use Case Is Right for Me?

A woman holding up a yes and no sign. Who Uses C#?
There are many real-world applications of C# and deciding which one is right for you boils down to personal preference.

Building .NET applications is perhaps the most popular use of C#. When you write a C# application, you are basically using a .NET framework. Nonetheless, this programming language has many other uses, including developing Windows services, games through Unity, workflow applications, and Windows applications.

As an aspiring developer, you can learn C# to help you become an app developer. Alternatively, you can delve deeper into this language if you want to become a game developer . The choice is yours. However, if you want to enhance your coding skills we recommend you enroll in a coding bootcamp, which is meant to teach you a variety of programming languages in three to six months.

Uses of C# FAQ

What are the main uses of C#?

C# is mostly used for developing online applications, games, mobile applications, and Windows components and services. C# is often regarded as a multi-purpose programming language, implying its wide range of uses.

Is C# useful to learn?

Yes, C# is still useful to learn. TIOBE’s index shows Python as the most popular and in-demand programming language. However, C# still has its place among programmers. Thousands of enterprises use Microsoft products and services, which only shows that you should learn C# if you plan to use such applications and web services in the future.

How quickly can I learn C#?

It takes a few months to learn C#. It will take less time if you are already familiar with another programming language. With that said, the amount of time it takes to learn C# depends on the time you can devote to learning and practicing it. If you hit a wall while trying to self-study, you can always enroll in an online course or a coding bootcamp.

Is C# good for web development?

Yes, C# is good for web development as it has a ton of frameworks that support the creation of many applications, including web-based apps. It is an ideal language for any type of web development as it is completely integrated with the .NET library.

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David Munyaka

About the author: David, a certified Executive Coach by the International Association of Professions Career College, is a business researcher, developer, and consultant. His writing has appeared online in various human resource and finance publications. David has over a decade of experience writing about career-related topics, and he also has a background in web development languages like HTML. He holds a Bachelor of Business in Commerce and Finance from Kenyatta University.

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