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René Kreijveld Portfolio — 2026

Full-stack
Joomla
developer.

For over 25 years, I have been building Joomla websites, web applications, bespoke extensions and the servers that support them. I have successfully completed hundreds of website projects.

René Kreijveld

What I do

01

Joomla

Websites/Webapplicaties Custom components and modules Plugins & templates MVC architecture Migrations & upgrades
02

Backend

PHP MySQL/MariaDB REST APIs Bash-scripting Git/GitHub
03

Frontend

HTML/CSS Responsive templates JavaScript
04

Server & DevOps

Linux administration Nginx & Apache Performance tuning Development environments Hardening & backups Deployment

Selected work

What I have recently worked on
01
Joomla/Web application

Newgreement

Newgreement is the go-to tool for creating legal deeds.
At Legent B.V. I am the lead developer of Newgreement, a complex and highly comprehensive multi-user web application.

Newgreement
02
DevOps

Hot standby server

For Newgreement I developed a set of scripts to maintain a hot standby server. This makes it quick and easy to migrate the production web application to a standby server.

Hot standby server
03
Joomla

Custom API endpoints

To exchange data with Excel, I developed a set of custom API endpoints in Newgreement, entirely based on Joomla's standard web service plugins.

Custom API endpoints
04
Website

RECRAH

For RECRAH, an up-and-coming music producer, I designed and built a YOOtheme-based website.

RECRAH
05
DevOps

DDEV-Joomla

DDEV is an open-source tool for running local PHP development environments.
For DDEV I developed a set of scripts to support Joomla in DDEV.

DDEV-Joomla
06
Joomla

Custom module

For the RECRAH website I developed a custom module that fetches events through the Bandsintown.com API.
These can be displayed on the website in various layouts.

Custom module

Let’s work
together.

Have a Joomla project, a migration, or a server that needs a steady hand? I'd love to hear about it.

LinkedIn ↗ Git ↗