Senior Softwareentwickler, Systemanalytiker, Projektmanager; IT/Outsourcing Berater.

C++/C
C#
Delphi/Pascal
SQL, PL-SQL, etc
UNIX-Shells
Windows 11/10/7/Vista
Windows XP/2000/NT/9.x/3.x
Linux/Unix
OS/2

SQL Server
Oracle
DB2
FireBird
MySQL
Postgres

TCP/IP, SMTP, FTP
Visual Studio 1.5-7.0, .NET/2005/2008/2010/2012/2015/2019/2022
VC++
gcc, sowie andere UNIX-C/C++Compiler
Windows API (Win16/Win32s/Win32)
POSIX
MFC 3.5, 4.0
.NET Framework 1.1, 2.0, 3.5, 4.0, 4.8
.NET 5,6,7
.NET Core 3,4

Stingray Library
Roguewave Library
StarView 2.21
Borland C++ v.3.0-5.0

OWL
IBM C++ 2.0
Visual Age C++
Delphi 1, 3-7,
RAD Studio 2005, 2006, 2009, XE2-7, Seul, Berlin

Eclipse
VCL
Sybil 2
Visual Basic 3.0, 5.0, 6.0
Perl 5.x
Database tools:
SQLPlus
T.O.A.D
PL/SQL Developer

UNIX-Tools wie awk, sed, lex, yacc

Memory-checking und Profiling tools:
Valgrind
MemProof
AQTime Suite
GProfile
Rational Purify
Compuware BoundsChecker