Back-End .NET Developer

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

Période de formation
12 mois à temps plein
Durée de la formation
800 heures supervisées

Une formation flexible 100% en ligne

Démarrez à tout moment votre nouvelle carrière ! Disponible à temps partiel ? Pas de problème, étudiez à votre rythme.

Des projets professionnalisants

Apprenez les compétences clés de votre futur métier en validant 10 projets tirés de cas concrets d’entreprise.

Un accompagnement personnalisé

Bénéficiez de sessions de mentorat hebdomadaires avec un expert du métier.

Certification OpenClassrooms

Décrochez une certification professionnelle et bénéficiez de notre garantie embauché ou remboursé.*

DéveloppementBack-End .NET Developer
Certification OpenClassrooms
Période de formation
12 mois à temps plein
Durée de la formation
800 heures supervisées

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?

To be eligible to earn this path's diploma, candidates must demonstrate proof of one of the following prerequisites:

  • an associate's degree, or equivalent, in computer science, web development, or software development
  • or a high school/secondary school degree, vocational certificate, or equivalent, and at least 2 years of professional experience in IT, web development, or software development

All other candidates will need to go through a specific admissions process. These candidates must have:

  • Language: You will need to provide a certificate not older than 2 years to demonstrate a minimum level of English B2.

    Certificates accepted:

    • English Diploma from a secondary institution (private or public) or an accredited higher learning institution
    • Linguaskill minimum score: 160
    • BULATS minimum score: 60
    • TOEIC minimum score: 785
    • IELTS minimum score: 6.5
    • TOEFL iBT minimum score: 88
    • Cambridge FCE / CAE / BEC HIGHER / BEC VANTAGE minimum score or grade: B or 160
    • Certificate from a language center demonstrating a minimum level of B2 (including the number of training hours completed and the company signature or stamp)

    Don’t have one of these certificates? Find out where to take an exam.

  • Equipment: Candidates must also have access to a computer (PC or Mac), headphones, a microphone, a webcam, and a good internet connection for mentoring sessions (3.2 Mbps upload and 1.8 Mbps for download). In addition, to master the skills on this path, you will need to:
    • Have at least 8 GB of RAM (16 GB is more comfortable) and 100 GB of storage space available on your computer.
    • Have administrator rights to your computer in order to install required programs.

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.

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.

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.

At the end of this training, you will be delivered the .NET Back-end React Developer OpenClassrooms certification.

Votre diplôme

  • OpenClassrooms est un établissement privé d’enseignement à distance déclaré au rectorat de l’Académie de Paris.

  • À l’issue de votre formation, sous réserve de validation de vos compétences, vous obtiendrez le diplôme d’établissement OpenClassrooms « Back-End .NET Developer ».

Garantie embauché ou remboursé

  • Vous trouvez un emploi dans les 6 mois après la date de validation du dernier projet de votre parcours.

  • Autrement, nous vous remboursons vos frais de scolarité.*
    Voir les détails

DéveloppementBack-End .NET Developer
Certification OpenClassrooms
Période de formation
12 mois à temps plein
Durée de la formation
800 heures supervisées

Une pédagogie basée sur la pratique

  • Obtenez des compétences clés en validant des projets professionnalisants.

  • Progressez à l'aide d'un expert du métier.

  • Gagnez un véritable savoir-faire ainsi qu’un portfolio pour le démontrer.

Les projets et compétences en détail

projet 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.
45 heures supervisées
Compétences acquises dans ce projet
  • Describe the role of a back-end developer
  • Create a plan for completing your learning path
  • Integrate content according to a mock-up
projet 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!
55 heures supervisées
Compétences acquises dans ce projet
  • Produce an xUnit test execution report
  • Fix an application according to a test execution report
projet 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.
60 heures supervisées
Compétences acquises dans ce projet
  • Implement integration tests for a new functionality in a C# application
  • Implement unit tests for a new functionality in a C# application
projet 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!
50 heures supervisées
Compétences acquises dans ce projet
  • Select a suitable technical solution
  • Write detailed specifications
  • Analyze customer requirements
  • List functionalities required by the customer
projet 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.
120 heures supervisées
Compétences acquises dans ce projet
  • Select suitable programming languages for an MVC web application
  • Respect good coding practices
  • Develop an application with the functionalities expected by the client
projet 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!
130 heures supervisées
Compétences acquises dans ce projet
  • Design the technical architecture of an application database using an ERD
  • Implement a data schema in a database
  • Produce the design schema of an application database
projet 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!
100 heures supervisées
Compétences acquises dans ce projet
  • Implement REST APIs using best practices
projet 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!
100 heures supervisées
Compétences acquises dans ce projet
  • Complete a Unit and Integration test suite to account for changes
  • Fix faults reported by the customer on an application
  • Improve an application as per a customer request
  • Produce technical and functional documentation for the application
projet 9

Survey the technology landscape

Create your own dashboard to stay up to date on all the latest and greatest tech happenings!
10 heures supervisées
Compétences acquises dans ce projet
  • Set up a system for staying up to date with technology
  • Identify tools and resources for staying up to date with technology
projet 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.
130 heures supervisées
Compétences acquises dans ce projet
  • Create a segmented REST API
  • Create a microservice for an application
  • Implement Agile methodology to manage your code project
  • Use NoSQL databases

Un accompagnement individuel & privilégié

  • Bénéficiez de sessions individuelles hebdomadaires avec un mentor expert du métier.

  • Progressez rapidement dans vos projets grâce à son excellence dans le partage de son savoir-faire.

La communauté OpenClassrooms

  • Comptez sur une communauté soudée d’étudiants prête à vous aider 24h/24, 7j/7.

  • Partagez vos questions et vos doutes avec des centaines d'étudiants, de mentors et de diplômés sur un réseau social privé.

Comment se déroule un parcours OpenClassrooms ?

Du choix de leur formation au premier jour de leur nouvelle carrière, nos étudiants racontent leur expérience et l'accompagnement qu'ils ont reçu, étape par étape.

Voir le détail des étapes

Financez votre parcours

L’abonnement : une formule flexible et à la carte

Pour tous

Les avantages
  • Date de début et rythme d’études flexibles

  • Sans engagement : arrêtez à tout moment

  • Plus vite vous terminez, moins le coût final est élevé

  • Garantie embauché ou remboursé*

480 € par mois

pour une durée estimée de 12 mois soit 5 760 €

Démarrer mon inscription

Cette formation nécessite un investissement en temps estimé à 1600 heures dont 800 heures supervisées.

La durée totale de la formation se compose de :

  • 800 heures de formation supervisée avec des projets, encadrés par des mentors
  • 800 heures de formation guidée avec des cours et des ressources pédagogiques

La période de formation peut être rallongée en cas de formation à temps partiel.
La durée est estimée et dépend de votre niveau d'entrée en formation, de votre disponibilité, du temps alloué par semaine, de votre capacité et rythme d'apprentissage.

Ce parcours vous intéresse pour votre entreprise ?

Obtenir un devis ou une démo

* Sous réserve des conditions énoncées dans les Conditions Générales de Services

Formation mise à jour le 26 déc. 2023