Liferay DXP 7.4 is now available!
Power your digital transformation with these powerful new capabilities

Back-End Developer 7.3

Put your developer skills to the test with Liferay DXP 7.3 questions on topics including setting up the development environment, the OSGi Framework, real-world applications, and portal search.

90 Min | 50 Questions | 200 USD

Get Prepared for the Exam

Exam Blueprint

90 Minutes
50 Questions
70% Passing Score

Example Test Questions

  • All questions are based on Liferay best practices when developing for Liferay DXP.
  • Unless otherwise indicated in the question, assume a new Liferay installation with no additional plugins installed and no modifications to portal properties.
  1. Liferay DXP 7.3 has an embedded OSGi container.
    Answer:  True
  2. Which of the following files does Service Builder use to generate code?
    A. serviceBuilder.xml
    B. service.xml
    C. serviceBuilder.json
    Answer:  B
  3. Which of the following statements about MVC Commands are true?
    (Please select all correct answers.)
    A. MVC Commands are Liferay’s way of implementing the Render, Action, and Resource Serving phases of a portlet.
    B. MVC Commands are implemented as components.
    C. MVC Commands are defined in the Java Portlet Specifications JSR 168 and are the default way of supporting various portlet lifecycle methods.
    D. MVC Commands keep the portlet class lean, making the phases of the portlet more manageable.
    E. MVC Commands must be implemented through the Gogo Shell.
    Answer: A, B and D


Each topic will be a percentage of the test below.
Expand All Collapse All
Liferay 7.3: Setting Up the Development Environment | 4%

Liferay offers developers a platform and a comprehensive set of tools for building web applications.

Blade CLI

Liferay Workspace

Liferay 7.3: Liferay OSGi Container | 6%

The Liferay platform is built on OSGi technology: Liferay applications are OSGi applications, and the platform has an embedded OSGi container.

Liferay Modules

Working With Liferay Workspace

Manage Module Dependencies

Liferay 7.3: Managing OSGi Bundles | 4%

The Apache Felix project provides the Gogo Shell and Felix Web Console tools for bundle management.

Gogo Shell (Basic Commands)

Felix Web Console

Liferay 7.3: Working with Portlet Modules | 8%

Liferay's user interface relies on portlets but not strictly on the standard portlet specification. Although there are many ways of building out your application's user interface, using the MVC pattern along with portlets as the implementation of the Controller and View Layer is still the essence of Liferay development.

Java Standard Portlet

Liferay MVC Portlet Module

Liferay 7.3: Real-World Applications | 46%

A real-world Liferay application can make use of Liferay's time-saving tools and frameworks.

Java Standard Portlet

Liferay MVC Portlet Module

Liferay 7.3: Real-World Applications

A real-world Liferay application can make use of Liferay's time-saving tools and frameworks.

Liferay Service Builder

Access Control

Liferay Frameworks

Liferay 7.3: Platform Architecture | 4%

Liferay is compliant with many industry-proven standards.

JSF (JSR-127, JSR-314, JSR-344)


OSGi r6

General Data Protection Regulation (GDPR)

Liferay 7.3: Extending Liferay's Schema | 6%

As a developer, you may sometimes want to add a persistable and manageable attribute to an existing Liferay data model.

Custom Fields

Expando API

Liferay 7.3: Customizing the Service Layer | 6%

All Liferay core services have been designed and generated with the Liferay Service Builder pattern, which automatically generates service wrapper APIs for both remote and local service variants.

Service Wrappers

Override OSGi Service References

Liferay 7.3: Override Controller Actions | 8%

All Liferay platform applications are portlets. MVC Commands are portlet lifecycle handlers that implement the MVCCommand interface and are used to break up the controller layer into smaller and more manageable code entities. Although the Apache Struts MVC framework is being replaced with the MVC Commands in Liferay, the platform is still using the framework for some of the native functionalities like portal login and logout.

Override MVC Commands

Override Struts Actions

Liferay 7.3: Customizing Portal Search | 8%

Liferay has an extensive search framework. Customization can be done on all layers, from the user interface to the indexing process and index settings.

Basic Search Concepts

Indexing and Searching

Preparing for the Exam

Achieving recognition as a Liferay Certified Professional Back-End Developer demonstrates that you understand core concepts for developing Liferay modules and know how to follow Liferay best practices to develop robust, elegant, and maintainable solutions based on the Liferay Platform. The exam is designed to be challenging, yet fair for Liferay developers. Here’s how you can succeed:
  1. Attend the Back-end Developer training course. Attending training is not required before you sit for the exam, but much of the exam material is based on concepts covered in training.
  2. Review the additional source material. is an amazing complementary source of information for the exam.
  3. Get hands-on development experience. Some of the topics covered on the exam require the kind of knowledge that comes from real experience developing for the Liferay Platform. If you have attended a developer training, be sure you've completed and reviewed all of the exercises presented during class, even the bonus exercises. If you haven't attended training, spend some time developing applications and customizations. It would also be helpful to review Liferay’s source code to ensure you're familiar with Liferay's best practices.
  4. Register.
  5. Show up to the testing center with the required identification and take the 90-minute exam.

How to Register

Liferay Certification exams are administered by Kryterion. Please register for an exam on Kryterion's website.
Registration Fee: $200 USD

Verify Certification

Please fill out the form below to verify an individual's completion of an official Liferay Training or Exam.


Additional Resources for the Exam

Other Available Certifications