Backend/Frontend/API: Portale, Intranets, Online-Shops, E-Mail-Versandsysteme, Apps, CMS-Entwicklung

Softwareentwicklung / Software Development: 
PHP, PHP7, HTML, HTML5, JavaScript, Adobe Flash, AS3, Flex 3, Java, Microsoft Visual, FoxPro, Ruby (JRuby, Celerity, Ruby On Rails, Monolog, CSS, CSS3, Less, SASS, PHP Symfony Framework 2.x, 4.x, Composer, Silex, Zend, Framework 1, Doctrine ORM 2.x, PHPExcel, PHPUnit, FPDF, SwiftMailer, Twig, Yii2, JavaScript NodeJS, ExtJs 2.x, 3.x, jQuery, OpenLayers, Google Analytics, Google Maps, React, Angular, Typescript, Node, Vue, JSON, Ajax, Webservices (REST, SOAP, XML, XSLT, Xpath, Elasticsearch, Lucene, Apache, Delphi, Jenkins, Gitlab CI, LXC, Proxmox, Web Frameworks, Symfony, Laravel, SQL, MySQL, Microsoft SQL-Server, PostgreSQL, SQLite Datenbanken (RDBMS), NoSQL Datenbanken Redis, MongoDB, MariaDB, Application Servers, Nginx, RoadRunner, Source Code, Git, GitLab, SVN, GitHub, Bitbucket, Software Design, UML, Design-Pattern, Clean Code, Object-Oriented Programming, OOP, SOLID Principles, DevOps, Docker, Ansible, Bash, Doc, Bug-Tracking JIRA, Redmine, Mantis, TDD Test Driven Development, SCRUM / Kanban, Operationssysteme Mac OS, MS Windows, UNIX/Linux ( RHEL/Red Hat ), Ubuntu, Teamleiters grün, Search Engine, Android Studio, Linux, CRM, Js 3.x, OpenStreetMap, Zend Framework, ORM, Visual FoxPro, MS SQL7, CMS, Sitebuild, CMS+API, API, hu, PHP (CMS, API), CMS, API, gov.hu, PHP (CMS, com, Android, iOS, Applikation, Webdesign, Microservices