Linux server administration (proficient). Installed from scratch and tuned LAMP-stack web servers based on CentOS for my customers.
Windows desktop administration (proficient). Use Windows workstation every day.
Languages:
PHP (expert). From scratch development of complex websites, various custom systems and one billing&accounting system.
Delphi (expert). Commercial products written.
Javascript (intermediate). Not a front-end genius, but developed some custom ReactJS components for websites.
Java (intermediate). Two successful projects in past: DistribuCalc and ShieldSuite
CSS (beginner). Not really doing anything serious with CSS, but looking forward to try and learn things, while excercising something like BEM or OOCSS.
C# (.NET, beginner). Just enjoying the power of this language. Closely watching Mono.
Bash (beginner). Wrote simple automation scripts for Linux servers.
Frameworks:
[PHP] Laravel framework (expert). From scratch development of complex websites.
[PHP] CakePHP (intermediate). Maintained a project, that was using it.
[PHP] Symfony framework (beginner). Just enjoy this wonderful piece of art and follow its news.
[PHP] Yii2 framework (beginner). Used it in one project.
[CSS] Twitter Bootstrap (intermediate). Used in a new project.
Libraries:
[JS] ReactJS (intermediate). Developed custom components for one of the websites using ReactJS.
[JS] jQuery (intermediate). Used it in almost all PHP projects.
[Java] JOOQ. Used it in my commercial Distribucalc project.
Database servers:
MySQL (expert). Used in 90% of my projects from forums to billing systems.
PostgreSQL (intermediate). Used it in one project as a powerful MySQL alternative.
MS SQL Server (beginner). Used it as a backend storage for a retail accounting system.
Tools:
Git (expert). Using git branching model every day (release-, feature-, task-branching)
Ansible (intermediate). Used it to build custom Vagrant environment for dev purposes.
RabbitMQ (intermediate). Used as a communication method for delayed tasks using SOA.
Redis (intermediate). My caching system fo the choice.