Abilities
Developing websites takes human and technological skills. You'll find here some abilities I learned and used successfully in practice.
Backend web Development

PHP7
Server-side scripting language PHP allows creating dynamic websites.

MySQL
MySQL is one of the most frequently used relational database management system

PHP Frameworks
Frameworks are great toolboxes to improve product development.

PHP CMS
Content Management Systems makes it easy to publish content online.

API integration
Standardised communication between SaaS

Unit testing (PHPUnit)
Be it for TDD or regular development, automated testing is a real asset.

Versioning
I use Git to keep my work clean and develop with teams.
PHP CMS

eZ Publish
eZ Publish is an advanced CMS developed in PHP.

Drupal8
Drupal 8 is a complete CMS developed in PHP.

Wordpress
Wordpress is a CMS running on PHP.
Additional abilities

HTML / CSS
The two core technologies used to create web pages.

JS & jQuery
Javascript makes web pages more dynamic.

Server maintenance
Debian is an open-source Linux distribution.

SEO
Best-practices like semantic HTML or optimised loadtime allows better ranking.

SCRUM/Agile
Agile principles provide a flexible alternative to the waterfall paradigm.

AS3
ActionScript 3 is the oriented-object language used with Flash.
Human skills

Team management
Leading a team of back-end and front-end developers

Conception
Taking an active role in conceiving great and intuitive websites

Customer relations
Working with a client helps understanding his business challenges