Liferay DXP Interview Questions & Answers

Preparing for a Liferay DXP or Portal developer interview? This is the study guide I wish I had.

A professionally designed 60-page PDF with 88 hand-picked questions across 14 modules — organized the way real Liferay projects are, so you can revise one topic at a time or read it end to end.

What's inside:

• 14 modules: Architecture & Fundamentals, OSGi & Modular Development, Portlets & MVC, Service Builder & Persistence, Themes/Fragments, Customization & Extension, Headless REST & GraphQL APIs, Workflow (Kaleo), Permissions & Security, Search & Elasticsearch, Deployment & DevOps, Performance & Clustering, Upgrade & Migration, and Scenario-Based senior questions.
• Every question tagged Basic, Intermediate, or Advanced so you can target your level.
• Real, working code samples using actual Liferay APIs — OSGi Declarative Services, service.xml, MVC command classes, REST Builder, and more.
• "TIP" callouts on the exact gotchas and follow-ups interviewers love to probe.

Who it's for:

• Developers preparing for Liferay DXP / Portal interviews (junior to senior)
• Java/portal engineers moving onto the Liferay stack
• Teams building an internal interview or onboarding reference