Marek Grudzinski

CV and freelance profile: https://www.gulp.de/gulp2/g/spezialisten/resume/MarekGrudzinski

- development of a legacy Zend 2 application - migration from Zend 2 to Laminas framework - migration from PHP 7.0 to PHP 7.4 - cross-functional development of backend, frontend and devops - knowledge transfer and team guidance - conception and architectural design - maintenance of a symfony 4 application => technologies: Zend, PHP, RabbitMQ, MySQL, Doctrine, Docker, ansible, Python, Symfony

- partly continuation of previous assignment - requirements definition, conception and implementation of various Symfony 4 applications - setup and configuration of local development environment based on docker - team guidance - setup and execution of internal tach talks => technologies: Symfony, MySQL, MSSQL, PostgreSQL, PHP 7, Deployer, Bash Scripting, Docker, PHPUnit, Behat

- deep analysis of an existing Wordpress application - code review - infrastructure and deployment reviews - planning of action items based on previous analysis and reviews - implementation of defined action items - development of new features => technologies: PHP, Wordpress, MySQL, Docker, Redis, Varnish

- consolidation of technology stack, applications and infrastructure - strategical responsibility of technology roadmap - implementation of agile development process - team guidance - conception, architectural design and implementation of core products - technical support for other departments => technologies: Wordpress, Docker, MySQL, Jenkins, Deployer, PostgreSQL, NodeJS, Postgrest API, Infusionsoft, Angular.js, Jelastic, nginx, Virtuozzo, RedHat, PHP

- dev. of legacy php apps based on CakePHP 1 & 2 and CodeIgniter - requirements analysis, architectural design and impl. of two Symfony apps - know-how transfer of symfony, best practices of php apps and agile development - setup and impl. of CI pipelines - technical guidance and organisation of development team => technologies: Doctrine, CakePHP 1 & 2, MySQL, Bootstrap, Twig, Less, CodeIgniter, Docker, Jenkins, PHPUnit, Deployer, nginx, VMware, Symfony, PHP, MSSQLServer, MS IIS, Ubuntu, Debian

- architectural design and implementation of vouchers into a Laravel-based shop - integration into existing application with custom checkout, payment and automated voucher generation process => technologies: Laravel, Blade, Eloquent, SCSS, JavaScript, jQuery, Bower, Gulp

- adaption of existing shopware theme to customer needs - adjustment of custom plugins to new design and layout => technologies: Shopware 5, PHP, Less, JavaScript, jQuery, HTML5

- architectural design and implementation of a B2C chat application based on the customers core application framework - full implementation of backend/frontend - integration with internal services/APIs => technologies: PHP, Zend Framework, Doctrine, Foundation, Smarty, Sass, MySQL, Git, JavaScript, Jenkins, Sonarqube

- architectural design and implementation of a shop for online seminars and courses - integration of -- Shopware -- clickwebinar -- payment services -- customer systems for accounting, BI, etc. - custom Shopware plugins - custom Shopware template ⇨ technologies: Symfony, Zend Framework, Doctrine, Shopware, Bootstrap, Apache Camel, Elastic Search, Twig, Smarty, SCSS, JavaScript, ClickWebinar, memcached, Jenkins, Git, Sonarqube, nginx, PHPUnit

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- greenfield project bootstrapping a logistics & supply chain startup - architectural design and implementation of -- Backend/API -- hybrid mobile apps for Android and iOS -- instant tracking and dispatching of orders and suppliers -- CMS/CRM -- cloud based infrastructure => technologies: nginx, Apache, Apache Tomcat, MySQL, XML, HTML5, SCSS, JavaScript, KendoUI, jQuery, Phonegap, Google & AWS Cloud, Java, Spring MVC, XMPP, Drupal, Cordova

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Leitung von internen Projekten, Kundenbetreuung, Mitarbeiterführung, Weiterentwicklung des Kernproduktes, Konzeption und Entwicklung von kundenspezifischen Softwarelösungen im eLearning-Bereich

- architectural design and implementation of an enterprise portal based on liferay - integration with customer APIs and systems like LDAP - implementation of custom extensions - infrastructure design and implementation - maintenance and 3rd level support => technologies: Apache, Apache Tomcat, Liferay, Java, JSP, Spring, Struts, Maven, Velocity, JavaScript, CSS, Hibernate, Oracle, Jenkins, Sonarqube

- architectural design and implementation of math core components - scrum based process and TDD => technologies: Adobe Flash & Flex, ActionScript, XML, MathML

- IT-Prozessberatung; von der Analyse bis hin zur Umsetzung von individuellen Problemlösungen - Konzeption und Entwicklung von kundenspezifischen Softwarelösungen

Systemanalyse und EDV