Freelance
Since 2001 I offer software design and development services as a freelancer and am constantly looking for good opportunities and new challenges in interesting IT projects.
I specialised in Java programming and have built substantial expertise in Spring / Hibernate, Xml / XSLT / Xpath, Apache Cocoon and Eclipse RCP.
Please contact me using the contact link on the right for availability and rates. I will be happy to provide you with my full CV.
Technologies / Skills
(Level 1: Basic 2: Good 3: Very good 4: Expert)
- Java Development and Design
- Java (4)
- J2EE (1)
- XML, XSLT, XPath, Dom4J, SAX, Schema (4)
- Apache Cocoon (4)
- Eclipse RCP (3), Swing (3)
- OSGI (3)
- Servlet (4), JSP (3)
- Spring, Spring Dynamic Modules, Spring AOP (4)
- Hibernate (4)
- Tomcat (3)
- JUnit, Mock Objekte, Spring tests (4)
- Struts (2)
Methods
- UML, OOM (4)
- SSADM (1)
- Test Driven Development (3)
Tools
- Eclipse (4)
- JIRA (4)
- SVN, CVS (4)
- Maven, Ant (4)
- Netbeans, Idea (3)
- MagicDraw UML, eUML2 (3)
Web
- XHTML (3)
- Servlet (4), JSP (3)
- JavaScript (4)
- PHP (3)
Misc
- Windows, Word, Excel, Powerpoint, Visio, Linux, OpenOffice (4)
- OneNote, Evernote (3)
- C (1)
- C++ (1)
- Delphi (1)
Databases
- SQL (4)
- MySQL, Oracle, Postgres (3)
Projects
- Since Jan 2010: Adesso Mobile Solutions GmbH
Design and development of a content request module for the web in|MOTION platform. Extensible and flexible module for the connection of various content sources.
- Apache Cocoon, XML / XSLT, Spring, Dom4J, Digester
- Concept in UML, OOM
- Maven, JIRA, JavaDoc - Sept 2009 - Jan 2010: Adesso Mobile Solutions GmbH
Concept and development of a backend service for an iphone application for a major german newspaper. Manages user subscriptions and sending of iPhone push notifications for new articles.
- Spring, Hibernate, SOAP, REST, Apache CXF
- UML documentation
- Maven, JIRA, JavaDoc - Nov 2008 - Aug 2009: Adesso Mobile Solutions GmbH
Design and development of a framework for migration of data between different content management systems. Development of a Rich Client tool to control the migration process and assist during analysis of source CMS, development of migration rules and before-after compairison of source and target CMS page.
- Apache Cocoon, Eclipse RCP, Spring Dynamic Modules, OSGI, Hibernate, Maven, JIRA
- XSLT, XPath, Dom4J, SAX
- FirstSpirit CMS, PostgresSQL
- UML, JIRA, JavaDoc. - Mar 2005 – Dec 2007: Adesso AG (employed)
Design and development of web in|MOTION, a middleware for the transformation of existing web content to mobile devices. Technical resposability for the product, requirements analysis, conception and specification.
- Java, Apache Cocoon, Hibernate
- XSLT, XPath, XHTML, WML, XHTML-MP, Dom4J, SAX
- JIRA, JavaDoc - Aug 2004 – Jan 2005: Rabbit Emarketing GmbH, Frankfurt
Development of XSLT-Templates for Email Marketing Campains. Consulting and training for major german customers.
- XSLT, Xpath, XML
- Oct 2003 – Nov 2003: Gehe Pharma Handel GmbH, Stuttgart.
Development of a web based application for review and fixing of medical product data.
- Java, Struts, Hibernate, SQL, Javascript, XHTML
- Aug 2002 – Aug 2003: Titze Datentechnik GmbH, Magstadt
Development and maintenance of a web based application for the management of Java-based access and time tracking terminals.
- J2EE, JBoss, Socket, Oracle
- Apr 2002 - Sept 2002: FUZZY Informatik AG - Ludwigsburg
Development of a Java API to an XML Application Server used for fuzzy search of person data.
- JDOM, Ant, Xerces, Log4J.
- Jul 2000 - May 2001: Rabbit AG, Stuttgart
Design and Development of a data migration tool controlled by XML rules for the automatic migration of a database between product updates (table merges and splits)
- Java, JDBC, Oracle, SQL
- XML
Education
- Oct 2007 – Oct 2008 - London School of Economics
Master of Science in “Analysis, Design and Management of Information Systems” (Distinction)- Courses: Social study of Information Systems, Information Systems for the public sector, innovating software development, Information Systems management
- Winner team of consultancy project by Deloitte
- Master-Thesis “Collective innovation and assistance: How user
communities support innovation processes in the context of open APIs“ (2nd best among 160 students)
Mark: Distinction - Mar 2005 – Oct 2007 - University of Potsdam
Public Administration (Diplom)
- Globalisation, International Relations, Organisation sociology
Mark: Good
Nils Kaiser





