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Engineering Notes

Field notes, guides and lessons learned from real projects — Liferay, mobile, and full-stack engineering.

Choosing a Liferay Partner: 10 Questions to Ask Before You Sign

Ten practical questions to ask any Liferay partner before signing: versions, architecture, upgrade discipline, support and pricing, plus the red...

October 30, 2026 · 6 min read
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Custom Liferay Theme Development: Clay, Theme CX & Best Practices

How to approach custom Liferay theme development in 2026: Clay, Theme CSS client extensions vs theme modules, constraints to know,...

October 24, 2026 · 8 min read
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Integrating Liferay DXP with an ERP via Headless REST APIs

How to connect Liferay DXP to an ERP using headless REST APIs, Objects, OAuth 2.0 and the Batch Engine: patterns,...

October 20, 2026 · 8 min read
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Liferay Objects: Build Business Apps Without Java

Liferay Objects let you model data, build forms and workflows and expose REST APIs from the UI. Learn how to...

October 20, 2026 · 7 min read
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Liferay SaaS vs PaaS vs Self-Hosted: Which One Fits Your Company?

Compare Liferay SaaS, PaaS and self-hosted deployments: who runs infrastructure, who upgrades DXP, and what customization each model allows.

October 12, 2026 · 6 min read
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Liferay Database Upgrade Tool: Common Errors and How to Fix Them

The Liferay Database Upgrade Tool fails mostly on configuration and legacy data. Learn how to read its logs, spot the...

October 12, 2026 · 7 min read
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Migrating Liferay 6.2 Plugins (Portlets, Hooks, Ext) to Modern Liferay

How to migrate Liferay 6.2 portlets, hooks, Ext plugins and themes from the Plugins SDK to a modern Liferay Workspace,...

October 7, 2026 · 6 min read
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Liferay Client Extensions vs OSGi Modules: Which to Use in 2026

Client extensions or OSGi modules? A practical 2026 comparison of upgrade safety, SaaS/PaaS/self-hosted support and use cases, with a decision...

October 2, 2026 · 10 min read
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How Much Does a Liferay Upgrade Cost? Timeline & Budget Guide

What really drives the cost of a Liferay upgrade: the five cost drivers, a phase-by-phase timeline, hidden costs and how...

September 29, 2026 · 8 min read
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Liferay DXP 7.4 end of support: upgrade path from a legacy 7.4 portal to Liferay DXP 2026.Q1 LTS

Liferay DXP 7.4 End of Support: Upgrade Paths to 2026.Q1 LTS

Liferay DXP 7.4 Premium Support ends in September 2027, and most 7.4 Updates already lost hotfixes. Here are the key...

September 26, 2026 · 8 min read
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Signs your company needs a Liferay DXP upgrade: outdated portal with security risk, outdated version and no integrations

5 Signs Your Company Needs a Liferay DXP Upgrade

Enterprise portals rarely fail overnight — they degrade gradually, until the cost of staying put quietly exceeds the cost of...

September 12, 2026 · 3 min read
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Flutter vs React Native comparison for enterprise mobile apps: two smartphone app mockups side by side

Flutter vs React Native for Enterprise Mobile Apps

Choosing between Flutter and React Native is one of the first decisions enterprises face when planning a cross-platform mobile app...

September 12, 2026 · 4 min read
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