Freelance software developer              
Freelance software development           
C++, Java (J2SE,J2ME,J2EE,JSP), Perl and PHP
Linux, MacOS, MacOSX and Windows       

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Skills

Legend  
+++ Very good knowledge
++ Good knowledge
+ Basic knowledge


V-CARD
CurriculumVitae
Stefan Sonntag
Computer Scientist
(Freelance software developer)
Sonntagstr. 27
10245 Berlin
Germany
E-Mail stefan@stefan-sonntag.com

Programming languages  
+++ 17 years C/C++, 11 years Java (J2EE, J2SE, J2ME, JSP, Servlets), 6 years PHP, 9 years Perl, 9 years SQL
++ Bash, C#, Javascript, Objective-C
+ AWK, Basic, Lua, Modula2, MS ActiveServerPages (ASP), Pascal, Python, Ruby
Operating systems  
+++ Linux (Debian, Mandrake, RedHat, SuSE), Mac OS X, MS Windows
++ AmigaOS, BeOS, FreeBSD, OpenBSD
+ HP Unix, IBM AIX, SGI IRIX, Sun Solaris
IDEs and build systems  
+++ Eclipse, MS Visual C++ 2003/2005/2008 .Net, Xcode, Apache Ant, Antenna
++ JBuilder, Kdevelop, make, Maven 1, Maven 2, NetBeans, Zend Studio
Databases  
+++ Firebird, MySQL, PostgreSQL
++ DB2, Hypersonic SQL, O2 (OODB), Oracle, Sybase
+ BerkleyDB, Caché DB, MS Access
System administration  
+++ Apache, Firebird, MySQL, PostgreSQL
++ Bind, CUPS, DHCPd, IIS, ipchains/iptable, JRun, LPD, Netatalk, NIS, NFS, OpenLDAP, Postfix, POP3, Resin, Samba, Sendmail, SSH, Tomcat, vsftpd
+ Bea Weblogic, DB2, IBM Websphere, JBoss, O2(OODB), Oracle, Sybase
XML  
+++ JAXB, XML, SAX, DOM
++ XPath, XPointer, XQuery
+ XSL(T)
Data communication  
+++ JDBC, JSON, ODBC, socket programming
++ FTP/HTTP protocol, named pipes, shared memory, SOAP, RMI
+ CORBA
Payment system integration  
++ Firstgate, PayPal, Premium SMS, T-Online SAM
Libraries und GUIs  
+++ Eclipse RAP, Jakarta Commons, Java API, JAXB, JMX, JUnit, Hibernate, Perl library, PHP library, Spring, STL
++ Apple Cocoa, GTK, MFC, MS .Net, MS XML Parser, POSIX threads, Trolltech QT, SDL, Swing, Win32, Windows threads
+ ActiveX, Apache Xalan/Xerces, Apple Carbon, DirectX, OpenGL, Struts, wxWindows
version control systems  
+++ CVS, Subversion
Application development  
+++ Database driven web applications, Java Swing, Java client/server applications, Multithreaded applications, UML
++ Apple Cocoa, Linux GTK/QT, Windows MFC/.Net
+ Apple Carbon, wxWindows(Linux/Windows), 3D applications and games for Linux/MacOS X/Windows using OGRE and OpenGL
Hardware  
Since 1993 buildup of PCs for friends and myself

 
   
StefanSonntag C++, Java, Perl, PHP-native speaker