Back-End Developer: .NET

Build robust, secure web applications in the C# programming language with Microsoft's .NET software framework.

At your pace
~ 12 months

Personal
mentor

Job guarantee
in 6 months

Bachelor's-level diploma

10 hands-on projects

Start now

One million computer programming jobs are estimated to be created in the U.S. by 2020 - as well as 700,000 in Europe - thanks to unprecedented growth in the tech sector.

Here at OpenClassrooms, we pinpoint the key skills needed for the most in-demand jobs and develop courses and diplomas to train our students in those areas. That’s why we've developed a one-year bachelor-level diploma in web development, which you can complete entirely online with the help of a dedicated mentor. 

What will I do as a .NET developer?

A .NET ("dot-net") developer is a back-end developer who is specialized in using Microsoft's software framework, .NET, to build web applications with the C# ("c-sharp") programming language. A .NET developer may be in charge of:

  • developing and improving an application software 
  • designing technical architecture 
  • implementing software tests and debugging code
  • producing the design schema of a database
  • writing technical and functional documentation 
  • analyzing customer needs
  • selecting and advocating for suitable technical solutions
  • keeping up with changes in technologies

How much will I earn?

Back-end web development can be a lucrative career with many prospects opening up as you continue to rack up valuable experience. Here is what you might expect to earn in your career as a .NET developer:

United States

Beginner: $45,000 - $75,000

2-5 years: $55,000 - $85,000

5+ years: $70,000 - $95,000 +

United Kingdom

Beginner: £20,000 - £40,000 

2-5 years: £30,000 - £50,000

5+ years: £40,000 - £60,000 +

What are my job prospects?

This path can prepare you for the following jobs:

  • .NET developer
  • C# developer
  • Back-end developer

After a few years of experience, a developer can advance to a position of lead developer, software designer / architect, or technical director / tech lead.

Who is eligible to enroll?

This path is accessible to all, but here are some recommendations:

  • A high school diploma / GCSE level
  • A good level of English (for non-native speakers, a CEFR level of B2, an IELTS band score of 6.5, or a TOEFL score of 80 is recommended) 
  • Access to a computer (PC or Mac), headphones, a webcam
  • Internet access

What will I learn to do?

  • Jump-start your studies by defining a personal learning strategy
  • Program with the C# programming language
  • Use programming tools like Visual Studio, Git, and ASP.NET Core
  • Visualize the design of a system with UML (Unified Modeling Language)
  • Develop user interfaces using the MVC pattern
  • Ensure the security of a web application
  • Perform a needs analysis and propose a technical solution
  • Develop an application according to customer needs
  • Manage application test plans
  • Provide technical support with documentation
  • Stay up to date for a set of technologies
  • Practice Agile web development
  • ...and more!

How will I learn at OpenClassrooms?

Our learning method is unique and revolves around two elements: professional projects and dedicated mentoring sessions.

Projects
At OpenClassrooms, learning is project-driven because that’s the fastest way to become proficient. Projects offer hands-on experience so you can hit the ground running when you start your new job.  

Want to see an example of a project? Read our blog post here.

Mentorship
During your path, you will be assigned a mentor who will offer one-to-one support via weekly video conference sessions. This mentor will offer guidance on your projects, help define objectives and guide you until you reach them. Our mentors are dedicated professionals who are experts in their field and have experience in sharing their know-how with our students.

Your diploma

OpenClassrooms is an official private distance learning establishment registered with the Board of Education in Paris, France that grants its own diplomas as well as those of prestigious academic partners.

Upon completion of your studies and validation of your skills by an academic jury, you will earn a "Web developer (Développeur(euse) d’application)" bachelor's-level diploma, registered with the National Directory of Professional Certifications (RNCP)*.
This diploma is at level 6 on the EQF (European Qualifications Framework).

If you have questions about its equivalence in order to undertake further study, contact your university or master's program.

* Sheet available at the following address:
https://www.certificationprofessionnelle.fr/recherche/rncp/27099

Your Job Guarantee

At OpenClassrooms we are committed to helping you find your ideal job. We promise.

By following the learning path "Back-End Developer: .NET", you’ll learn an exciting new profession with great career prospects.

What’s more, you’ll find a job within six months of graduating or we’ll give you your money back!

Find out more

Detailed projects and skills

project 1

Spend a day in the life of a back-end developer

What will your job look like? Get a peek at what it's actually like to work as a back-end developer! You'll analyze the job and define a learning strategy for working towards becoming an autonomous professional.
Duration45 hours
Skills acquired in this project
  • Create a plan for completing your learning path
  • Integrate content according to a mockup
  • Describe the role of a back-end developer
project 2

Come to the rescue of a .NET application

You're the last line of defense and you've been brought in to finish up what another developer has started. Ready to go on the hunt for some bugs and get the green light on those tests? Let's dive in!
Duration55 hours
Skills acquired in this project
  • Produce an xUnit test execution report
  • Fix an application according to a test execution report
project 3

Test the implementation of a new .NET functionality

If you want to implement a new functionality in your application, you've got to write your tests along with your code. Your job is to get it right, so you can release your app on a Friday and still have a nice weekend.
Duration60 hours
Skills acquired in this project
  • Implement integration tests for a new functionality in a C# application
  • Implement unit tests for a new functionality in a C# application
project 4

Understand your client's needs and design the application of their dreams

Making your customer happy includes listening to what they need in order to design a high quality business domain. It's up to you to come up with the application they've been waiting for!
Duration50 hours
Skills acquired in this project
  • Write detailed specifications
  • Analyze customer requirements
  • List functionalities required by the customer
  • Select a suitable technical solution
project 5

Create your first application with ASP.NET Core

A new customer has come to you requesting an application with specific functionalities. Demonstrate what .NET can do for them by building an MVC app while respecting good development practices.
Duration120 hours
Skills acquired in this project
  • Select suitable programming languages for an MVC web application
  • Develop an application with the functionalities expected by the client
  • Respect good coding practices
project 6

Design and create a production-ready .NET application

Your first application impressed your customer, they now want it live! Time to turn to a database and make it production-ready!
Duration130 hours
Skills acquired in this project
  • Produce the design schema of an application database
  • Design the technical architecture of an application database using an ERD
  • Implement a data schema in a database
project 7

Make your .NET back end more adaptable with a REST API

Modernize the back end of an application with a REST API. Make sure it's tested, secured, and ready for deployment!
Duration100 hours
Skills acquired in this project
  • Implement REST APIs using best practices
project 8

Scale your .NET app with distributed systems

A new client needs its monolithic application adapted to evolve more easily. Now it's up to you to make a more efficient, decoupled web application!
Duration100 hours
Skills acquired in this project
  • Complete a Unit and Integration test suite to account for changes
  • Improve an application as per a customer request
  • Fix faults reported by the customer on an application
  • Produce technical and functional documentation for the application
project 9

Survey the technology landscape

Create your own dashboard to stay up to date on all the latest and greatest tech happenings!
Duration10 hours
Skills acquired in this project
  • Identify tools and resources for staying up to date with technology
  • Set up a system for staying up to date with technology
project 10

Produce the right, agile, .NET solution for your customer!

Build an application for disease risk screenings. Structure your app using a microservice and a NoSQL database. Organize your time into sprints, following Agile project management principles.
Duration130 hours
Skills acquired in this project
  • Create a microservice for an application
  • Create a segmented REST API
  • Implement Agile methodology to manage your code project
  • Use NoSQL databases
Diploma
Web developer (Développeur(euse) d’application)

Start toward the career of your dreams

At your own pace

$300 per month

Your perks:
  • Six-month job guarantee

  • bachelor's-level diploma

  • Flexible duration

  • Individual mentorship

  • 10 hands-on projects

Start nowNon-binding subscription

We are here to help

Our team is available to answer your questions about our programs or your new career path.