Back-end Developer: Java

Learn software development using Java, one of the most widely-used programming languages in the world.

DiplomaBachelor's-level diplomaDurationFull time: 12 months
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A flexible online program

Imagine starting a brand-new career at any time! Can’t commit to full-time? No problem, study at your own pace.

Real-world projects

Acquire the most relevant skills by completing 9 projects based on those required in your future career.

Individual learning support

Benefit from weekly mentoring sessions with an expert in the field.

Bachelor's-level diploma

Leave with a professional qualification and benefit from our hired or refunded guarantee.*

Development

Back-end Developer: Java

DiplomaBachelor's-level diplomaDurationFull time: 12 months

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 this one-year bachelor's-level diploma in web development, which you can complete entirely online with the help of a dedicated mentor. 

What will I do as a Java developer?

A Java developer is a back-end developer who specializes in using the Java programming language to build applications. As Java is an essential part of many types of applications, Java developers are highly sought after in a wide variety of sectors. 

A java 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 Java developer:

United States

Beginner: $50,000 - $80,000

2-5 years: $70,000 - $90,000

5+ years: $100,000 +

United Kingdom

Beginner: £30,000 - £40,000 

2-5 years: £40,000 - £50,000

5+ years: £50,000 + 

What are my job prospects?

This path can prepare you for the following jobs:

  • Java developer
  • Back-end developer

Java is also one of the languages used to program mobile Android applications.

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 how to do?

In this path, you'll learn how to:

  • Jump start your studies by defining a personal learning strategy.
  • Program with the Java programming language.
  • Use programming tools like an IDE, Git & GitHub and frameworks like Spring Boot.
  • Ensure the basic security of a web application.
  • Interpret user requirements and propose a technical solution.
  • Use domain driven design to create UML diagrams.
  • Design database schemas and connect to a database. 
  • Test your applications using test driven development.
  • Practice agile web development. 

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 a private distance learning establishment, registered with the Board of Education in Paris, France.

  • Once you’ve completed your training path and validated your skills, you’ll be awarded the "Back-end Developer: Java" standard diploma.
    You'll earn the "Back-end Developer: Java" certificate, registered at the National Directory of Professional Certifications. This diploma is at Bachelor's-level on the EQF (European Qualifications Framework).

  • Contact the university or higher education establishment where you’d like to continue your studies if you have questions about the equivalence of the diploma.

Hired or refunded guarantee

  • You find a job in the 6 months following the date of validation of your last path project.

  • Otherwise, we guarantee the reimbursement of your tuition.*
    See more details

Development

Back-end Developer: Java

DiplomaBachelor's-level diplomaDurationFull time: 12 months

A teaching method based on practical experience.

  • Acquire key skills for your future career with real-world projects.

  • Make progress with the support of an experienced professional.

  • Acquire concrete know-how and demonstrate it with a portfolio.

Detailed projects and skills

project 1

Set Yourself Up For Success as a Java Back-end Developer

Create a learning plan to acquire the skills you need as a Java Developer. Choose tools to stay up-to-date with innovations in your field and develop your first website with HTML and CSS!
Duration40 hours
Skills acquired in this project
  • Set up a system for staying up to date with technology
  • Design a personalized learning plan
  • Integrate content according to a mock-up
  • Select relevant information sources for a set of technologies
project 2

Debug a Java application

You've been hired to finish an application another developer has started, and it's up to you to make sure that it gets up and running correctly! Get ready to make your mark and fix your first Java application!
Duration55 hours
Skills acquired in this project
  • Build a collaborative code project
  • Program using Java fundamentals
project 3

Design an Application to Fit Your Client's Needs

Analyze your client's needs, develop a domain model using a domain-driven design approach, create user stories, and design wireframes to get your client on board.
Duration65 hours
Skills acquired in this project
  • Analyze a client's requirements
  • Select a suitable technical solution
  • List functionalities requested by the client
  • Write detailed specifications
project 4

Fix and Update a Java Application Using Best Testing Practices

You’re taking over work on an unfinished application and a number of tests are failing. Your mission is to fix the application and add a missing functionality so that your client leaves happy!
Duration60 hours
Skills acquired in this project
  • Implement unit tests
  • Produce a test execution report
  • Implement integration tests
  • Fix an application according to a test execution report
project 5

Create Your First Java Web Application From Scratch!

Implement an application to help first responders receive alerts using Spring Boot, a popular Java framework. You'll use quality code practices such as organizing your code with MVC, applying the SOLID principles, and respecting the Testing Pyramid!
Duration120 hours
Skills acquired in this project
  • Develop a Spring Boot application
  • Respect industry standard coding practices
  • Justify the application design & programming languages selected
project 6

Work with Databases to Create a Secure Web Application

You're working on a money transfer app, which means you need to access and store data securely in a database. You'll design and implement your database schema in a relational database.
Duration130 hours
Skills acquired in this project
  • Implement a data schema in a database
  • Design the technical architecture of an application
  • Produce a database design schema
project 7

Make Your Java back-end More Adaptable With a REST API

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

Scale Up Your App With Distributed Systems

A travel agency has asked you to adapt its monolithic application so that it can evolve more easily. Now it's up to you to make a more efficient, decoupled web application!
Duration100 hours
Skills acquired in this project
  • Configure a deployment environment to manage the lifecycle of an application
  • Complete a Unit and Integration test suite to account for changes
  • Improve an application as per a customer request
  • Produce technical and functional documentation for the application
  • Fix faults reported by the customer on an application
project 9

Develop a Complete Application For Your Client Using Agile Techniques

Build a medical app 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
Développeur concepteur logiciel

One-to-one learning support

  • Benefit from weekly individual mentoring sessions with an expert in the field.

  • Progress rapidly through projects thanks to their expertise in sharing know-how.

The OpenClassrooms community

  • Count on our solid student community to give you support 24-7.

  • Share your doubts or queries with a comprehensive network of students, mentors, and graduates.

Pay for your path

Monthly subscription: The flexible, customizable option

For everyone.


Benefits
  • Flexible start date and study schedule

  • Non-binding subscription: Stop at any time

  • The faster you finish, the less it costs

  • Hired or refunded guarantee*

€300 per month

Approx. 12 months

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Need help finding the most relevant funding option?

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Got a question? Our team is here to help you from Monday to Friday, 9:00 AM to 7:00 PM Central European Time.

*Subject to the conditions set out in the Terms of Service