JavaScript React Developer

Create website interfaces, styles, and animations like the ones you know and use everyday.


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 14 projets tirés de cas concrets d’entreprise.

Un accompagnement personnalisé

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

Un diplôme de niveau 6 (Bac+3/4)

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


JavaScript React Developer

What is the JavaScript React Developer role?

JavaScript React developers, also known as front-end developers, are in charge of creating dynamic websites using a programming language. They take care of the front-end part, i.e. the visual side of the site, unlike the back-end developer. To find out more, you can read this article on developer jobs.


A front-end developer’s missions typically entails:

  • Understanding the project they’re working on to develop the most satisfying features and interfaces for their client.
  • Implementing mockups with a keen eye for detail and rigorous standards.
  • Using best practices to structure HTML, CSS and Javascript code.
  • Using frameworks such as React to build powerful and modular applications.
  • Using tests to monitor their applications and ensure the highest quality service.
  • Providing technical and functional documentation of the site for their clients and colleagues.
  • Optimizing page load time.

Why take this program?

Developer jobs have been growing enormously in recent years. No longer reserved only for digital companies and for men, now all companies need JavaScript Developers for their website, internal tools, mobile apps for marketing, etc… And female developers are in high demand now! It's a job in constant change and that offers many openings to various jobs, some of which do not even exist yet. We are proud to offer this training path, accessible to all, opening the doors to the job of Front-End Developer.

— Clara Corazza, Head of the Code track at OpenClassrooms
— Clara Corazza, Head of the Code track at OpenClassrooms

This program was created by our instructional design team. Our pedagogical method is based on the realization of real-world projects and one-on-one, weekly sessions with a professional web development expert as your mentor.

The idea is simple: to learn effectively, it is important to be active in your learning. Within this path, this involves completing projects based on scenarios from the professional world. Your mission: look for solutions, create your deliverables and present them convincingly in front of your mentor! You will be able to directly apply the experience you gain through your OpenClassrooms program in your future workplace.

The training consists of professional projects of increasing complexity. Each project will allow you to acquire specific skills.

What you will learn

  • Setup your development environment.
  • Implement a responsive layout with HTML5 and CSS3.
  • Ensure the accessibility of a website.
  • Create dynamic web applications with Javascript, React and APIs.
  • Ensure data quality in a web application through testing.
  • Contribute to a code project using agile methodology...

... And much more!

At the end of this training, you will be a full-blown JavaScript React Developer, and earn your European diploma for Software development.

Salary of a Front-End Developer

Web development can be a lucrative career with many prospects and income growth opportunities opening up as you continue to acquire more experience. Here is what you can expect to earn in your career as a Front-End Web Developer:

United Kingdom

Beginner: £30,000 - £40,000 

2-5 years: £40,000 - £60,000

5+ years: £60,000 +

United States

Beginner: $40,000 - $60,000

2-5 years: $60,000 - $80,000

5+ years: $100,000 +

You will be able to work as a React Developer or Front-End Developer, but also as a Web Developer, or Javascript Developer.

This program can be taken as part of an apprenticeship. For more information, please contact us.

Career development

You will also be able to quickly ascend towards other developer jobs using Javascript as your primary programming language. For example, you could become a mobile developer using React Native or a Back-End Developer with Node.js.

As a JavaScript developer, you will be able to evolve in several ways, including :

  • Diversifying your technical skills to become a full-stack developer, i.e. covering both the back end and the front end.
  • By specializing in a particular technology; React in this training but there are plenty of others!
  • After a few years of experience and collaborating with many other developers, you may also choose a more managerial role as a Lead Developer or a CTO.


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: Candidates whose native language is not English will need to submit proof of a B2 English level on the CEFR scale, an IELTS band score of 6.5, or a TOEFL score of 80.
  • 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 16 GB of RAM and 100 GB of storage space available on your computer.
    • Have administrator rights to your computer in order to install required programs.

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.  

The JavaScript React Developer path has a series of projects that you’ll need to complete one at a time with the support of your mentor. You’ll receive a detailed brief with the context, customer requirements and additional details. Then it’s up to you to go and make it real! To do this, you’ll have to be creative, coming up with innovative solutions to the questions at hand.

Want to know more about projects? 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.

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 et de la validation de vos compétences par un jury, vous pourrez obtenir le titre « JavaScript React Developer ».
    Vous pourrez également obtenir ce titre enregistré au Répertoire National des Certifications Professionnelles, de niveau 6 (Bac+3/4) sur les cadres français et européen des certifications (European Qualifications Framework), à la condition que vous validiez les pré-requis nécessaires.

  • Contactez l'université ou école où vous souhaitez poursuivre vos études si vous avez des questions à propos de l’équivalence du diplôme.

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


JavaScript React Developer

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

Take Ownership of Your Learning on the Front-End Path

In our changing world, being skilled in learning is more important than ever. Become an active, autonomous learner to set yourself up for success on this path and in your future career.
Durée8 heures
Compétences acquises dans ce projet
  • Develop a personalized learning plan and toolset
projet 2

Turn Mock-ups Into a Web Page with HTML & CSS

Get started with HTML & CSS by implementing a travel booking platform's website from scratch.
Durée70 heures
Compétences acquises dans ce projet
  • Implement a responsive layout
  • Integrate web content according to a mockup using HTML & CSS
projet 3

Integrate a mobile website with animations in CSS

Implement the mobile version of this foodtech website with CSS animations.
Durée90 heures
Compétences acquises dans ce projet
  • Develop a navigation structure for a website
  • Track a code project with version control on GitHub
  • Implement design effects using CSS & Sass
  • Set up a development environment
  • Ensure design consistency on a website
projet 4

Build a Landing Page Using Javascript

Get started with Javascript on this gaming company's website, GameOn. In this first programming project, you'll discover how to code with Javascript from scratch.
Durée30 heures
Compétences acquises dans ce projet
  • Program using fundamentals of JavaScript
projet 5

Skills Checkpoint: Web Languages Proficiency

Test your skills on HTML, CSS and JavaScript language principles and paradigms;
Durée1 heure
Compétences acquises dans ce projet
  • Write HTML, CSS and JavaScript syntax
projet 6

Create an Accessible Website For a Freelancer Sourcing Platform

Delve into Javascript with Fisheye to build this freelance photographer platform. Be sure your code makes this web app accessible to all.
Durée70 heures
Compétences acquises dans ce projet
  • Ensure the accessibility of a website
  • Develop a modular app with design patterns
  • Manage website events
  • Write maintainable JavaScript code
projet 7

Develop a Search Tool with Bootstrap

Implement a search algorithm for Les Petits Plats, a recipe website. You will use Bootstrap to build the interface and advanced Javascript methods and tools for optimization.
Durée90 heures
Compétences acquises dans ce projet
  • Deconstruct a computational problem
  • Develop an algorithm to solve a problem
projet 8

Skills Checkpoint: JavaScript Algorithms

Test your skills in Javascript algorithms to be ready for technical tests.
Durée1 heure
Compétences acquises dans ce projet
  • Write Javascript syntax using a programming paradigm
projet 9

Debug and Test an HR SaaS

The expense report app, Billed, is experiencing a handful of bugs. You'll have to fix as well as write new unit and integration tests to detect future problems.
Durée60 heures
Compétences acquises dans ce projet
  • Debug a web application
  • Write a manual E2E test plan
  • Write integration tests with JavaScript
  • Write unit tests with JavaScript
projet 10

Define User Needs for a Tutoring App

A non-profit that tutors children needs your help. Determine their needs and create a plan to tackle them using agile tools such as, User Stories, mock-ups, a Kanban table and use case diagrams.
Durée50 heures
Compétences acquises dans ce projet
  • Manage a code project using agile methodology
  • Model a technical solution for a client using domain models
  • Create a mockup for a client
  • Identify functional application requirements based on client needs
projet 11

Develop a Web App with React and React Router

Implement the front end of Kasa, a person-to-person, real estate rental app. For this client, you will create components with React and build the routes of your app with React Router.
Durée60 heures
Compétences acquises dans ce projet
  • Create React components
  • Develop the routes of an application with React Router
  • Initialize a React web app
projet 12

Develop a Dashboard for Analytics with React

Create the consumer-facing dashboard of a sports analytics platform, SportSee. Build graphs and charts with React and use an API to fetch data.
Durée60 heures
Compétences acquises dans ce projet
  • Develop advanced graphics using libraries
  • Ensure data quality in a web application
  • Interact with a web service
  • Produce technical documentation for a web application
projet 13

Connect to a Back End with an API Using React

Remede Agency needs you to complete their website's code to communicate with the back end. You'll write REST API calls to connect the front end to the back end of the website and model new API endpoints.
Durée100 heures
Compétences acquises dans ce projet
  • Interact with an API
  • Authenticate to a secure API
  • Create API models
  • Implement a state management system in a React app
projet 14

Convert a jQuery Library to React

Help refactor HRnet's website. You will choose a jQuery library and turn it into a React plugin. Use LightHouse to monitor the performance of your new code.
Durée110 heures
Compétences acquises dans ce projet
  • Monitor the performance of a web app
  • Code in JavaScript with functional programming
  • Deploy a front-end web app
  • Refactor an application to reduce technical debt
Développeur concepteur logiciel

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.

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*

300 € par mois

Environ 12 mois


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Ce parcours vous intéresse pour votre entreprise ?

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Nous sommes là pour vous orienter

Notre équipe est à votre écoute pour vous aider à choisir la formation qu’il vous faut, du lundi au vendredi de 9h à 19h, heure en France métropolitaine.

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