Kurze Projekte gerne auch weltweit.
Implementation of a Web application for managing large quantities of video content (Symlex,MariaDB, Docker, AWS, VueJS); Technical Advisor to Head of Development and CTO
Refactoring of legacy software using Docker and automated testing
Getting a team of front- and back-end developers up to speed by reducing pressure and focusing on sustainability and continuous improvement; Use Case 2.0-based requirements specification
References provided at request.
PRIOTAS GMBH (08/2014 - 11/2014)
- Freelace Engineer / Software Achitect
- Development of a multi-tier REST backend using Silex, Symfony Components and PostgreSQL
- Technical documentation and developer training
PIN DIGITAL GMBH (05/2014 - 10/2014)
- Freelance Technical Lead
- Optimization and refactoring of a PHP?based application
- Silex, Symfony Components, PDFlib
MAGIC INTERNET MUSIK GMBH / AMPYA.COM (06/2013 - 11/2013)
- Freelace Engineer / Software Achitect
- Responsible for backend refactoring and software quality improvements
- Sympfony 2, Apache Solr 4, MySQL, Varnish, eZ CMS, jQuery, PHP Unit
DAIMLER FINANCIAL SERVICES AG (04/2012 - 04/2013)
- Freelance Consultant / Web Software Architect
- Refactoring of a legacy PHP application (Zend Framework, Symfony, Oracle, jQuery)
- Training, Documentation, Scrum, Quality Assurance
T-SYSTEMS MMS GMBH (2011 - 03/2012)
- Freelance Frontend Consultant (JavaScript, Mobile Devices)
- Frontend Development for Deutsche Messe AG (CeBIT, Hannover Messe and others)
6 WUNDERKINDER GMBH (2011)
- Freelance Consultant for JavaScriptMVC
- On-site Training (MVC and client/server architecture, Web Security, Quality Assurance)
- Customization of the framework to the requirements of the project
WETTER.COM AG (2011)
- Subcontractor of 100 DAYS Software Projects GmbH / Tomorrow Focus Technologies GmbH
- Planning of application architecture; technical specifications; estimation of effort
- Development of JavaScript widgets to replace the existing Flash solution (jQuery)
NOVADEX GMBH (2011)
- Freelance Software Engineer/Architect (subcontractor of 100 DAYS Software Projects GmbH)
- Design and initial implementation of Symfony 2 / JavaScriptMVC based multi-tier architecture
- Responsible for automated quality assurance (JavaScript) and code reviews
ECOUNION AG (2010)
- Freelance Software Engineer/Architect (subcontractor of 100 DAYS Software Projects GmbH)
- Zend Framework / JavaScriptMVC / MySQL based CRM tool
- Responsible for building the complete CRM application incl. customer front-end and external interfaces in a very short time frame
TOYOTA INFORMATIONS-SYSTEME GMBH (2010 - 2012)
- Freelance Consultant and Developer
- Implementation, documentation and testing of SOAP interface to the central warranty system
- Set-up of quality assurance tools (code metrics, unit tests); Training
- Refactoring and documentation of the existing PHP code-base to improve reliability and speed
- JavaScript Consulting (jQuery, CanJS, AngularJS, Amber.js, MVC/MVVM, Dependency Management)
EARTH.ORG (2008 - 2009)
- Freelance Consultant
- Responsible for security, scalability, speed and reliability of Earth.org
- Preparation of technical specifications for software developers (multi-tier software architecture)
DEUTSCHE TELEKOM AG (2007 - 2010)
- Lead an international team of 20 developers in 4 locations
- Development of a user-generated content platform for ~10m customers
- Reported to project management and VP Professional Services (subcontractor of Zend)
CMS HASCHE SIGLE (2006 - 2007)
- Freelance Consultant and Developer
- CMS Hasche Sigle is one of the largest law firms in Germany with 12 locations world-wide
- Design of the human resources database and automated data import / export (MS SQL Server)
- Coordination with external service providers (Pixelpark AG)
- Development of the internal human resources portal (Zend Framework, Ext JS)
ZEND TECHNOLOGIES GMBH (2006 - 2009)
- Freelance Software Engineer/Architect for clients of ZEND ? The PHP Company
[Firmenname auf Anfrage] (2001 - 2006)
- Founder / CEO
- Content management systems, open-source solutions, Web design and Web hosting
- Maintainer of the open-source software ?Adaptive Website Framework? (PHP 5, MySQL)
- Clients included the University of Tübingen, the Department of Trade and Industry (Baden-Württemberg), Connors Communications (NYC, USA), CAPup! GmbH (Düsseldorf) and Objectpark Software (Bonn)
- Administration of up to 5 Linux servers (MTA, DNS, monitoring, MySQL/Apache, LDAP, firewalls, development of configuration frontend and management scripts)
SCIENCE+COMPUTING AG (2000 - 2001)
- Freelance Software Developer
- Development of an accounting system for a new ASP product (PostgreSQL, Perl)
- Redesign and improvement of the public Web site (PHP, MySQL)
- Development of an intranet portal (Embedded Perl, SQL, MS Access)
INTEREDU.COM (1998 - 2001)
- CTO responsible for a team of 4 developers
- InterEdu was a European organisation that provided people from all over the world with the information and advice necessary for deciding where to study in Europe
- Web portal development using Linux, Apache, MySQL and PHP 3
- Clients included consulting firms like McKinsey & Company
HOELLE UND HUETTNER AG (1997 - 1998)
- Freelance Software Developer
- Rewrite of the internal project management software (Delphi, HTML, Windows)
- Custom software development in the area of robotics and biotechnology
Physik, FU Berlin (2003 - 2005)
Professional Scrum Master? (PSM I)
PC, Mac, Tablets, Smartphones
With 20+ years of experience across all aspects of the industry, I can effectively help you master (almost) any challenge in software development and management.
Open-Source Development
More than 600 contributions on GitHub in the last year. Active member of the free software community since the 90s. Maintainer of Symlex, currently the fastest PHP framework according to phpbenchmarks.com.
Publications
+100 articles written on [URL on request]; Ongoing exchange with the Agile community on Twitter; Printed publications in magazines such as c't ? magazin für computertechnik and PHP Magazin
Memberships
Association for Computing Machinery (ACM) and Chaos Computer Club (CCC)
IT, Telecommunications, Automobile, Entertainment, Financial Services, Research, Education
Kurze Projekte gerne auch weltweit.
Implementation of a Web application for managing large quantities of video content (Symlex,MariaDB, Docker, AWS, VueJS); Technical Advisor to Head of Development and CTO
Refactoring of legacy software using Docker and automated testing
Getting a team of front- and back-end developers up to speed by reducing pressure and focusing on sustainability and continuous improvement; Use Case 2.0-based requirements specification
References provided at request.
PRIOTAS GMBH (08/2014 - 11/2014)
- Freelace Engineer / Software Achitect
- Development of a multi-tier REST backend using Silex, Symfony Components and PostgreSQL
- Technical documentation and developer training
PIN DIGITAL GMBH (05/2014 - 10/2014)
- Freelance Technical Lead
- Optimization and refactoring of a PHP?based application
- Silex, Symfony Components, PDFlib
MAGIC INTERNET MUSIK GMBH / AMPYA.COM (06/2013 - 11/2013)
- Freelace Engineer / Software Achitect
- Responsible for backend refactoring and software quality improvements
- Sympfony 2, Apache Solr 4, MySQL, Varnish, eZ CMS, jQuery, PHP Unit
DAIMLER FINANCIAL SERVICES AG (04/2012 - 04/2013)
- Freelance Consultant / Web Software Architect
- Refactoring of a legacy PHP application (Zend Framework, Symfony, Oracle, jQuery)
- Training, Documentation, Scrum, Quality Assurance
T-SYSTEMS MMS GMBH (2011 - 03/2012)
- Freelance Frontend Consultant (JavaScript, Mobile Devices)
- Frontend Development for Deutsche Messe AG (CeBIT, Hannover Messe and others)
6 WUNDERKINDER GMBH (2011)
- Freelance Consultant for JavaScriptMVC
- On-site Training (MVC and client/server architecture, Web Security, Quality Assurance)
- Customization of the framework to the requirements of the project
WETTER.COM AG (2011)
- Subcontractor of 100 DAYS Software Projects GmbH / Tomorrow Focus Technologies GmbH
- Planning of application architecture; technical specifications; estimation of effort
- Development of JavaScript widgets to replace the existing Flash solution (jQuery)
NOVADEX GMBH (2011)
- Freelance Software Engineer/Architect (subcontractor of 100 DAYS Software Projects GmbH)
- Design and initial implementation of Symfony 2 / JavaScriptMVC based multi-tier architecture
- Responsible for automated quality assurance (JavaScript) and code reviews
ECOUNION AG (2010)
- Freelance Software Engineer/Architect (subcontractor of 100 DAYS Software Projects GmbH)
- Zend Framework / JavaScriptMVC / MySQL based CRM tool
- Responsible for building the complete CRM application incl. customer front-end and external interfaces in a very short time frame
TOYOTA INFORMATIONS-SYSTEME GMBH (2010 - 2012)
- Freelance Consultant and Developer
- Implementation, documentation and testing of SOAP interface to the central warranty system
- Set-up of quality assurance tools (code metrics, unit tests); Training
- Refactoring and documentation of the existing PHP code-base to improve reliability and speed
- JavaScript Consulting (jQuery, CanJS, AngularJS, Amber.js, MVC/MVVM, Dependency Management)
EARTH.ORG (2008 - 2009)
- Freelance Consultant
- Responsible for security, scalability, speed and reliability of Earth.org
- Preparation of technical specifications for software developers (multi-tier software architecture)
DEUTSCHE TELEKOM AG (2007 - 2010)
- Lead an international team of 20 developers in 4 locations
- Development of a user-generated content platform for ~10m customers
- Reported to project management and VP Professional Services (subcontractor of Zend)
CMS HASCHE SIGLE (2006 - 2007)
- Freelance Consultant and Developer
- CMS Hasche Sigle is one of the largest law firms in Germany with 12 locations world-wide
- Design of the human resources database and automated data import / export (MS SQL Server)
- Coordination with external service providers (Pixelpark AG)
- Development of the internal human resources portal (Zend Framework, Ext JS)
ZEND TECHNOLOGIES GMBH (2006 - 2009)
- Freelance Software Engineer/Architect for clients of ZEND ? The PHP Company
[Firmenname auf Anfrage] (2001 - 2006)
- Founder / CEO
- Content management systems, open-source solutions, Web design and Web hosting
- Maintainer of the open-source software ?Adaptive Website Framework? (PHP 5, MySQL)
- Clients included the University of Tübingen, the Department of Trade and Industry (Baden-Württemberg), Connors Communications (NYC, USA), CAPup! GmbH (Düsseldorf) and Objectpark Software (Bonn)
- Administration of up to 5 Linux servers (MTA, DNS, monitoring, MySQL/Apache, LDAP, firewalls, development of configuration frontend and management scripts)
SCIENCE+COMPUTING AG (2000 - 2001)
- Freelance Software Developer
- Development of an accounting system for a new ASP product (PostgreSQL, Perl)
- Redesign and improvement of the public Web site (PHP, MySQL)
- Development of an intranet portal (Embedded Perl, SQL, MS Access)
INTEREDU.COM (1998 - 2001)
- CTO responsible for a team of 4 developers
- InterEdu was a European organisation that provided people from all over the world with the information and advice necessary for deciding where to study in Europe
- Web portal development using Linux, Apache, MySQL and PHP 3
- Clients included consulting firms like McKinsey & Company
HOELLE UND HUETTNER AG (1997 - 1998)
- Freelance Software Developer
- Rewrite of the internal project management software (Delphi, HTML, Windows)
- Custom software development in the area of robotics and biotechnology
Physik, FU Berlin (2003 - 2005)
Professional Scrum Master? (PSM I)
PC, Mac, Tablets, Smartphones
With 20+ years of experience across all aspects of the industry, I can effectively help you master (almost) any challenge in software development and management.
Open-Source Development
More than 600 contributions on GitHub in the last year. Active member of the free software community since the 90s. Maintainer of Symlex, currently the fastest PHP framework according to phpbenchmarks.com.
Publications
+100 articles written on [URL on request]; Ongoing exchange with the Agile community on Twitter; Printed publications in magazines such as c't ? magazin für computertechnik and PHP Magazin
Memberships
Association for Computing Machinery (ACM) and Chaos Computer Club (CCC)
IT, Telecommunications, Automobile, Entertainment, Financial Services, Research, Education
Direktester geht's nicht! Ganz einfach Freelancer finden und direkt Kontakt aufnehmen.