projects
This list of projects I've done in recent years will give you some impressions of my skills and expertise. This list is also included in my Resume (PDF).
1995-1997
Self-employed
Consulting ISPs in design and implementation of network infrastructure
Technical customer support
Founder and general manager e. effective web productions GmbH, Germany
1997-2001
- Financial Management
- Head of Software Development
- Management of 10 person staff
- Recruitment and training of web development, application server programming and database development
1997
IP Routing design and implementation in a firewall environment for the largest European ISP
1998
Complete intranet IP design for the largest European ISP
1999
Design and development of a firewall analysis tool for a major German bank
Technology: Sun C++ on Solaris
1999-2000
Analysis of business case, design, implementation and support of a shopping portal web application for the largest European ISP
Technology: WebObjects 4.5 on Solaris, Oracle 8.0 database
2000
Analysis of business case, design, integration of technology/content partners, optimization of a product base search engine for the largest European ISP
Technology: WebObjects 4.5 on Solaris, Oracle 8.0 database
2000
Analysis of business case, design, implementation and support of a web-based e-learning internet
shopping system
Technology: WebObjects 4.5 on Solaris, Oracle 8i database
2001
Analysis of business case, design, implementation and support of a web-based e-procurement
system for nursing homes and hospitals
Technology: WebObjects 5 on Solaris, Oracle 8i database
Freelance Consultant (2001-present)
2001-2002
Conceptional work and execution of a request for proposal for a complete outsourcing of network infrastructure and desktop services with $10 million annual budget
2002
Design of acceptance tests and quality management for a completely outsourced network infrastructure and IT services
2002-2003
Business case analysis, application design and project management of a database driven gambling agent application, e-commerce frontend.
Technology: J2EE Servlet, O/R Mapping Tools, Template Libraries, Crypto Libraries, Java Client, mysql database
2003
Business case analysis, application design and project management of a database driven sales support application.
Technology: Visual Basic, Oracle
2003 – 2005
Product Management for a well-known international ISP
Projects:
- Premium services rating and billing engines (subscriptions and events)
- Integration of micropayment systems
- Digital music shopping and distribution system
- Redesign of customer self service portal (billing related)
- Access billing updates and optimization
- Billing and rating infrastructure optimization and rollout
Focus: Billing/Rating processes and custom backend systems, digital media platforms
2006
VoIP System Design and Quality Management
Role: Analyst, Technology consultant
- Custom VoIP Client based on vendor provided SDK
- Bandwidth management
- Codec evaluation and setup
- Conferencing and video features
- NAT traversal strategies and implementation of a FW/NAT traversal solution
- Selection of vendor for underlying technology
- Implementation and test
2005-2008
VoIP Softphone
Role: Analyst, Technology consultant
- Custom VoIP Client based on vendor provided SDK
- SIP based Instant Messaging and Presence
- Bandwidth management
- Conferencing and video features
- XMPP based instant messaging analysis
2008-2009
Portal Development
Role: Project Lead
- Industry web portal targeting
- Knowledge sharing
- Personal relationships
- Learning content
Technology: J2EE Servlet, O/R Mapping Tools, Webservices, Dojo JS Library, PostgreSQL database
2009
Portal Development
Role: Project Lead
- Customer facing order entry system
- Streamlined process for ordering products
- Transport order entry data to backend processes
- Scrum inspired development process
Technology: CakePHP, mySQL, jQuery JS Library
2009-2010
ETL Process Implementation
Role: Senior Developer
- Extraction from COBOL generated data files
- Transformation based on database backed configuration
- Data export to downstream process
Technology: Pentaho Data Integration, Oracle
2009-2010
iPhone Web Application
Role: Senior Developer
- Database backed web application
- Look & Feel identical to native iPhone app
- Geolocation support for automated user data entry
Technology: CakePHP, mySQL, jQuery JS Library