Curriculum Vitae
Skill Matrix
| Angular/Typescript | 5/5 (8 years) |
| NodeJS | 5/5 (13 years) |
| Ruby on Rails | 5/5 (19 years) |
| Objective-C & iOS | 5/5 (14 years) |
| Swift & iOS | 5/5 (10 years) |
| Android | 4/5 (13 years) |
| Java | 5/5 (22 years) |
| Java Enterprise | 3/5 (21 years) |
| Agile/TDD/Scrum | 5/5 (17 years) |
| HTML/CSS | 4/5 (27 years) |
| Javascript (Client) | 5/5 (26 years) |
Professional experience (Roles & ventures)
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Senior Software Developer / IT Consultant (since 04/2006) Development of webapplications and apps including consulting, development, deployment, scaling and optimization |
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CTO (05/2004 - 03/2006) IT Consulting (Java Enterprise), technical project management and complex software development. Coordination of the IT strategy of the company. |
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Head of software development/Technical lead (01/2003 - 05/2004) Technical project management and software development of webapplications and webservices (mostly Java Enterprise) |
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Senior Software Engineer (8/2002 - 12/2002) Development of framework based Java enterprise webapplications |
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Head of software deveopment/Technical Lead (09/2000 - 07/2002) Leading role in the design and development of a portal and community framework product |
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Senior Webdeveloper (05/2000 - 08/2000) Software development for portal web applications Client projects: Sony Germany Microsites WAP/Mobile Portal für c-com one Norisbank Internal tools |
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Managing director (CTO)/Co-founder (01/1999 - 05/2000) Business development and technical project management (including software development) for various clients mostly from the new economy area Co-founder of DINA6 AG, Berlin/Germany Clients: Volvo GmbH, Germany Steilman Corporate Fashion Dorint Hotels ebay/alando Germany dooyoo.de vaybee.de urbia.de dina6 AG Norisbank for more-interactive and more... |
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Online Producer/Webdeveloper (Sole proprietor) (01/1998 - 12/1998) Project management and coordination of the development of web-based applications and websites Clients: Canon GmbH, Germany for BMZ!FCA/Profact Dorint Hotels for rationet AG (Leverkusen, Deutschland) Daihatsu Deutschland GmbH for rationet AG (Leverkusen, Deutschland) and more... |
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Online Producer/Webdeveloper (02/1997 - 12/1998) Design and development of web-based applications and websites Employers / Clients: BBDO Interactive (Düsseldorf/Germany) Nordis, Heidelbach & Sawatzki (Essen/Germany) BMZ!FCA Dsseldorf/Profact (Essen/Germany) agenda-media (Münster/Germany) BOV (Essen/Germany) and more... |
Education, Memberships & Certifications
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AWS Certified Developer certification (06/2024) Amazon Web Services Training and Certification Credly Badge |
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AWS Certified Cloud Practitioner certification (04/2024) Amazon Web Services Training and Certification Credly Badge |
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Apache Software Foundation Committer (since 2005) ASF |
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Sun J2EE Web Component Developer Certification (12/2004) Sun |
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LPI (Linux) Level 1 Certification (11/2004) Linux Professional Institute |
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BA Computer Sciences* (2004) Fernuniversität Hagen, Hagen/Germany |
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SCJP Certification / Sun Certified Java Programmer (08/2003) Sun |
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BWL studies (Business)* (2001 - 2002) Fernuniversität Hagen, Hagen/Germany |
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Sociology studies* (1995 - 1996) Ruhr-Universität Bochum, Bochum/Germany |
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Highschool Graduation (Abitur) (1994) Gymnasium Essen-Werden, Essen/Germany |
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Highschool Graduation (Exchange student) (1991) Darrington Highschool, Darrington, WA, USA |