1989-1997 University of Wuerzburg

Postscript foundations
LITTLE

Java RMI
HTTP, POP3, IMAP, RTSP, SIP/SIMPLE, PIDF/XPIDF basic skills

Software Development and Project Administration/Build Control on Unix

---

+ cc, CC
+ gdb, dbx, valgrind etc.
+ make & shells
+ CVS

GUI/Graphics
=====================
+ X11R6, Xlib, Motif
+ OpenGL, GLX
+ Java AWT, Swing
+ PostScript

Interpreter-/Compiler construction
========================
+ (f)lex/yacc/bison
+ Construction of bytecode-based interpreters
+ Construction of just-in-time compilers

Internet/WWW
============
+ Apache httpd
+ html, css, Javascript, Java applets
+ (mod)perl, Python Server Pages, CGI, Java servlet API, PHP, MySQL
+ qmail,courier imap
+ openser
+ openldap
+ postfix basics

Application Software
====================
+ GIMP+ScriptFu (exper level)
+ Inkscape
+ Blender
+ Open Office

Other
=====
+ VMWare/Linux
+ LaTex basic skills

Software Development
Insurance
Telecommunications

Mini3D: Java-3D-Package to deal with small models
Duration:

9-11/97 (offsite)

Tasks/Specs:

implementation in Pure Java

real-time animation

support of custum number of light sources

shading models wireframe-/hiddenline- & Flat

Role:    designer/developer/tester
Environment:

JDK 1.02, 1.1, IE, Netscape Navigator, Irix 6.2 (and various other test platforms)

Remarks:available for download (contact for URL)

DEPATIS (DEutsches PAtentInformationsSystem)
Duration:

1-11/98 (processed onsite)

Tasks/Specs:

Design and implementation of text filters and tools for initial data integration into archive on DEC Unix 4.0

Role:    developer
Environment:

DEC Unix4.0 and C++, RogueWave Tools++, pthreads, ClearCase, DCE, ksh

BMWISP at DeTeSystem
Duration:

12/98-8/99 (processed onsite/offsite)

Tasks/Specs:

Custom DBMS-based website

Role:    designer/developer frontend Java/HTML, partially Perl/CGI-middle-layer
Environment:

Perl 5, Java1.1, Oracle8, Linux, CVS

Server-seitig: javax.servlet API, JDBC

Client-seitig: Java AWT & Netscape IFC, HTML forms

Porting CoCreate ONESPACE to Solaris, Irix, AIX, HP-UX 11
Duration:

2/00-4/01 (processed offsite, integration onsite)

Tasks/Specs:

partial redesign of JNI interface to match JDK 1.2/1.3, JAWT, porting

Role:    consultant, developer
Environment:

3D-CAD-application in Java plus C++/OpenGL-native code (proprietary large-model-handling library 'jupiter', based either on OpenGL or Direct3d)

OS(es): AIX 4.3, HP-UX 10.20 and 11.0, SGI Irix 6.5, Sun Solaris 7 and 8 (SPARC), Win32

JDK1.2, 1.3 and C++, AWT, Swing, JNI, JAWT, CVS

AllData JPEAP: Design and Implementation of two GUI components (interaktive tree editors)
Duration:

8/01 bis 8/02 (processed offsite, integrated onsite)

Tasks/Specs:

Design & implementation of components according to customer specifications of previous SmallTalk-based SW-version

Role:

designer/consultant/developer

Environment:

Java: VisualAge/Java/JDK1.2/1.3, CVS

Development platforms Win32 (customer) and SGI Irix (Thalion Graphic Solutions eK)

Swing, JTree

LITTLE: bytecode interpreted, application-embeddable OO-language (demo available for platforms specified below)
Duration:

6/02-recent, milestone 1 (bootstrap compiler & VM) completed

in 11/02 (in-house project)

Tasks/Specs:

Portable bytecode interpreter with RISC-like, minimal instruction set and good runtime performance

Support for multiple inheritance, dynamic loading of classes and DSOs, late binding

API for embedding into native code applications

easily-extensible and exchangable runtime system with garbage-collector and optional thread support

bootstrap compiler

LITTLE-Compiler written in LITTLE

Role:    designer/developer/tester
Environment:

Platforms: Sun Solaris 8 SPARC/Intel, SGI Irix 6.5, Linux, Compaq Tru64, Mac OS X

Development tools:  C, (f)lex, yacc/bison, gdb, dbx, Sun Forte C, CVS

AllData JPEAP: support/enhancement phase
Duration:

8/02-5/03, (offsite)

Tasks/Specs:

processing of customer change & enhancement requests, bug fixing of two previously delivered components during beta test phase

Role:    Designer/consultant/developer
Environment:

Java: VisualAge/Java/JDK1.2/1.3, CVS

Development platform Win32 (customer) and SGI Irix/Linux ia64 (debian) & IBM DB2 64bit (Thalion Graphic Solutions eK)

Swing, JTree

bf-sgi: study of a just-in-time-compiler (JIT) for the  MIPS RISC processor
Duration:

Jun 23-27/03 (in-house project)

Tasks/Specs:

Implement an interpreter for a simple, turing complete programming language, using the JIT pattern: the interpreter transforms

the input instructions into native machine code in it's data segment and executes this code; purpose: examine the possibilities

and issues of implementing a JIT for LITTLE

Role:    designer/developer/tester
Environment:

SGI Irix 6.5, MIPSpro C, make, CVS

Remarks:available for download (contact for URL)

ALICE-JIT: a Just-In-Time compiler for the LITTLE VM
Duration:

7/03

Tasks/Specs:

Implementation of an alternate, fast bytecode interpreter for LITTLE bytecode (see project LITTLE above)

Role:    designer/developer/tester
Environment:

SGI Irix/MIPS, MIPSpro C, make, CVS

OpenGL-Bindings for LITTLE
Duration:

1/04-recent (in-house project)

Tasks/Specs:

OpenGL-Bridge and tools for the LITTLE language

Role:    Designer/Developer/Tester
Environment:

C,LITTLE,OpenGL,GLUT,lex,yacc,make,CVS

Sun Solaris 8 SPARC/Intel, SGI Irix 6.5, Linux, Compaq Tru64, Mac OS X

Remarks:

A pre-release demo is available on demand

HP TOM:
Duration:

5/04-2/05

Tasks/Specs:

Development of some QMail extensions for Hewlett Packard company

Role:    designer/developer/tester/documenter
Umgebung:

C,Debian Linux/x86,VMWare,qmail,LDAP,bash,make,CVS,LaTex

HP TOM2:
Duration:

2/05-9/05

Tasks/Specs:

TOM Extensions: implementation of a G10-compliant monitoring interface,

implementation of a web-based admin tool for TOM

Role:    designer/developer/tester/documenter
Environment:

C,Python,Debian Linux/x86,VMWare,qmail,apache,LDAP,bash,make,CVS,LaTex

HP OpenVoice:
Duration:

10/05-07/06

Tasks/Specs:

module extension/development for openser,

implementation of SIP extensions (SIMPLE, extended-presence)

Role:    developer
Environment:

C,Debian Linux/x86,VMWare,openser,radius,asterisk,LDAP,bash,make,CVS,LaTex

little.net: socket library for LITTLE
Duration:

8/06 (3 days)

Tasks/Specs:

implementation of basic networking layer for LITTLE

Role:    Designer/Developer/Tester
Environment:

C,Ubuntu Linux/amd64, gcc, make, cvs

Remarks:

available for download (ask me for download URL)

HP MWI2:
Duration:

11/06-12/06

Tasks/Specs:

implementation of SIP-based Message-Wait-Indication-layer for TOM

Role:

designer/developer/tester/documenter

Environment:

C, Python, Debian Linux/x86, VMware, qmail, LDAP, CVS, LaTex

HP TOM: template overlay
Duration:

03/07-05/07

Tasks/Specs:

development of  Class-Of-Service-overlay for OpenLDAP ('template').

Role:

designer/developer/tester/documenter

Environment:

C, Debian Linux/x86, VMware, OpenLDAP, gdb, valgrind, CVS, LaTex

Remark:

available for download (ask me for download URL)

LITTLE macroprocessor:
Duration:

06/07

Tasks/Specs:

redesign of the LITTLE macro processor

Role:

designer/developer/tester/documenter

Environment:

C, little, Ubuntu Dapper/x86, SGI Irix. VMware, CVS, HTML

Remark:

available for download (ask me for download URL)

Dynamic website for a comic presentation:
Duration:

10/07 (5days)

Tasks/Specs:

webpages including simple user accout management and image gallery

with user comment facilities

Role:

(ci/gfx-)designer/developer

Environment:

apache2, html, css, php, mysql, GIMP

Website for professional illustrator:
Duration:

12/07 (15MT)

Tasks/Specs:

web pages including image database and many gfx features

Role:

(ci/gfx-)designer/developer

Environment:

apache2, html, css, php, mysql, JavaScript, GIMP

Control- and Measuring Software for Sports Equipment Manufacturer:
Duration:

05/08-now

Tasks/Specs:

development of optical ball tracker software, range measurement

software based on Devantech SRF08 ultrasonic ranger, and a

software layer for treadmill control via rs232 interface, on

Ubuntu Linux; additionally: visual test and demo software

Role:

project lead, analysis, design, implementation

Environment:

Ubuntu Linux, C/C++, sockets, pthreads, video4linux2, rs232,

PHP, html, css, Python, Java, bash, apache2, cvs, vmware, GIMP

ALICE-JIT: porting to Intel x86 IA32
Duration:

08/08, about 10MT

Tasks/Specs:

port the existing JIT for MIPS CPUs to Intel's x86 32 bit architecture

Role:    designer/developer/tester
Environment:

Linux, gcc, make, CVS

Eventim-Interface for Funkhaus Würzburg WWW site
Duration: 09/08, 3MT
Tasks/Specs:

design & development of a database and software layer providing

support for import and management of Eventim event lists; data are

supplied as XML files, have to be parsed, and are to be used to

update the database accordingly; out-of date events have to be removed

Role:

designer and developer

Environment:

Debian/Ubuntu Linux, MySQL, Python, CVS

Preferred: projects, which allow independent, off-site processing,
like separate modules with fully specified interface, or complete minor applications
(up to a magnitude of about 40000 lines of code).
Most preferred: projects related to programming languages, interpreter-/VM-/JIT- and compiler construction