Experience

Cargonexx

• Germany
• Transportation/Trucking/Railroad
• 1 - 100 Employee

• Head Of Engineering

  • Apr 2018 - Present

  Responsible for Server and Software Architecture of Cargonexx' Products and Services. This includes maintaining our high-available and scalable cloud infrastructure using Infrastructure as Code (IaC) technologies. We use scalable Serverless Technologies whereever possible to reduce maintenance and cost overhead. Helping to optimize business processes and internal tools is also something I enjoy working on. Responsible for Server and Software Architecture of Cargonexx' Products and Services. This includes maintaining our high-available and scalable cloud infrastructure using Infrastructure as Code (IaC) technologies. We use scalable Serverless Technologies whereever possible to reduce maintenance and cost overhead. Helping to optimize business processes and internal tools is also something I enjoy working on.



ABOUT YOU

• Germany
• Technology, Information and Internet
• 700 & Above Employee

• DevOps Engineer

  • Jan 2018 - Mar 2018

  DevOps Engineer working on a full migration from on-premise datacenter into AWS. Writing cloudformation templates and running ansible playbooks to enable development teams using AWS infrastructure as smooth and secure as possible. DevOps Engineer working on a full migration from on-premise datacenter into AWS. Writing cloudformation templates and running ansible playbooks to enable development teams using AWS infrastructure as smooth and secure as possible.



Freelance Software Engineer

• Hamburg Area, Germany

• Full Stack Web Developer

  • Jan 2011 - Mar 2018



Portaltech Reply

• United Kingdom
• IT Services and IT Consulting
• 1 - 100 Employee

• Senior Software Architect

  • Jun 2017 - Dec 2017

  I am hired part-time as a Freelancer to review the new php-based ESB which would help connect external ERP systems to shopware installations. I am hired part-time as a Freelancer to review the new php-based ESB which would help connect external ERP systems to shopware installations.



Jimdo

• Germany
• Technology, Information and Internet
• 100 - 200 Employee

• Software Architect

  • Mar 2014 - Dec 2017

  Product Development Team. Architecture and System Design. Developing Backend and Frontend and anything else needed in this great kanban team. Product Development Team. Architecture and System Design. Developing Backend and Frontend and anything else needed in this great kanban team.



InnoGames GmbH

• Germany
• Computer Games
• 200 - 300 Employee

• Senior Game Developer

  • May 2013 - Feb 2014

  My current work on a new browsergame with this agile game team involves digging through legacy code, both in php backend an actionscript frontend. The responsibilities range from optimizing the network protocol on the client side down to optimizing the database access layer. I do configuration managment with puppet and manage vagrant installations. Setting up build and deploy jobs in Jenkins is my day to day business as is coding new features in the php backend.

• Lead Developer Tribals Wars 2

  • Mar 2012 - May 2013

  I've started working on this project as Lead Developer and was responsible for my fellow developers, the software quality and the system architecture. We tried a different stack of software with Websockets -> node.js -> redis.io -> php -> mysql/mongodb and it worked pretty well. My colleague Sebastian Lenk explained it perfectly: http://sepp.io/2013/11/great-technology-to-run-online-games/ I had fun learning to use new tools and technologies: - Domain Driven… Show more I've started working on this project as Lead Developer and was responsible for my fellow developers, the software quality and the system architecture. We tried a different stack of software with Websockets -> node.js -> redis.io -> php -> mysql/mongodb and it worked pretty well. My colleague Sebastian Lenk explained it perfectly: http://sepp.io/2013/11/great-technology-to-run-online-games/ I had fun learning to use new tools and technologies: - Domain Driven Design - Websockets and socket.io - node.js - redis and pub/sub messaging - vagrant and puppet

• Senior Game Developer Forge of Empires

  • Feb 2011 - Feb 2012

  My work on the Backend Part of this Award winning Game helped me getting better in: - PHP - Postgres Administration - Linux Debian Server Administration - Test Driven Development (TDD) - Pair Programming - Code Reviews - Clean Code - Actionscript Awards: - German Computer Game Award 2013: Best Browser Game. - MMO of the Year 2013: Best Strategy Browser Game.



FaceValue Media GmbH

• Hamburg Area, Germany

• Co Founder

  • Oct 2000 - Dec 2010

  - Build up and maintain the Community Dating Website www.hotornot.de - build mobile web sites and services (started 2003) - build a OOP Framework for mobile and web - optimizing the mysql database schema - optimizing the website speed and resource usage of the php applications - build up and run the Debian based cluster of servers. Utilized 20 bare metal boxes, the 5 Webservers handled a peak of 100 dynamic generated pages per second (plus static and cached assets). -… Show more - Build up and maintain the Community Dating Website www.hotornot.de - build mobile web sites and services (started 2003) - build a OOP Framework for mobile and web - optimizing the mysql database schema - optimizing the website speed and resource usage of the php applications - build up and run the Debian based cluster of servers. Utilized 20 bare metal boxes, the 5 Webservers handled a peak of 100 dynamic generated pages per second (plus static and cached assets). - Connection to API of Business Customers and Payment Providers (SOAP, HTTP, HBCI) - Technical Contact for Customers (Vodafone Germany, T-Mobile International, o2 Germany) - Team Lead of Fellow Programmers - Coordinate remote distributed Teams (Romania and India) Used Technologies: - PHP - HTML, CSS - Javascript, AJAX - XML, XSLT - Perl, Bash, Regex - MySQL - CouchDB - Solr - Debian System Administration - Apache, lighttpd - Memcached, Varnishd - iptables - heartbeat, drbd (linux-ha) - postfix, cyrus, dovecot (mailserver) - nagios monitoring - Xen Virtualization - HTTP, SMTP, SNMP, SOAP Show less - Build up and maintain the Community Dating Website www.hotornot.de - build mobile web sites and services (started 2003) - build a OOP Framework for mobile and web - optimizing the mysql database schema - optimizing the website speed and resource usage of the php applications - build up and run the Debian based cluster of servers. Utilized 20 bare metal boxes, the 5 Webservers handled a peak of 100 dynamic generated pages per second (plus static and cached assets). -… Show more - Build up and maintain the Community Dating Website www.hotornot.de - build mobile web sites and services (started 2003) - build a OOP Framework for mobile and web - optimizing the mysql database schema - optimizing the website speed and resource usage of the php applications - build up and run the Debian based cluster of servers. Utilized 20 bare metal boxes, the 5 Webservers handled a peak of 100 dynamic generated pages per second (plus static and cached assets). - Connection to API of Business Customers and Payment Providers (SOAP, HTTP, HBCI) - Technical Contact for Customers (Vodafone Germany, T-Mobile International, o2 Germany) - Team Lead of Fellow Programmers - Coordinate remote distributed Teams (Romania and India) Used Technologies: - PHP - HTML, CSS - Javascript, AJAX - XML, XSLT - Perl, Bash, Regex - MySQL - CouchDB - Solr - Debian System Administration - Apache, lighttpd - Memcached, Varnishd - iptables - heartbeat, drbd (linux-ha) - postfix, cyrus, dovecot (mailserver) - nagios monitoring - Xen Virtualization - HTTP, SMTP, SNMP, SOAP Show less



Deutsche Telekom

• Germany
• Telecommunications
• 700 & Above Employee

• Web Developer

  • Aug 2000 - Sep 2001

  Supporting the editorial staff of a big online news site with HTML, Javascript and Flash Snippets and Microsites. Also worked on various tools and a Redesign of the complete site. Supporting the editorial staff of a big online news site with HTML, Javascript and Flash Snippets and Microsites. Also worked on various tools and a Redesign of the complete site.



Various

• Bonn Area, Germany

• Web Developer

  • Feb 1998 - Jul 2000

  Earned my first money with HTML, Perl and PHP somewhen in 1998 during my last 2 years of high school. Earned my first money with HTML, Perl and PHP somewhen in 1998 during my last 2 years of high school.