Stefan Drees - Startpage

In case You have questions with regard to my skills haben, please write me an email to info@sdre.es

Special Skills

IT Consultancy and Lecturing

As of 2009-08-11

Topics

KPI Systems, Application of Statistical Models, Mass Data Processing,

Application-Server and Seamless Integration, Transaction Portals,

Website Architecture, Workflow-Definition and Content Management,

heterogenous Networks, Multimedia Distribution Applications,

Security Analysis of Kommunication Protocols and in Applicaton Development respectively,

Directory Services, Relational Databases, collaborative Applications,

Solution Design for Extra-/Inter-/Intranet, Webshop-Systems, eBusiness/eCommerce,

Lecturing of IT-Basics, Web-/Internet-Technology and Info-Broking.

Methods

Mathematical Modeling of Indicators and their Description plus Implementation,

Development, Server - / Client Side Scripting, Code-Review/-Walkthrough,

Programming-, Markup-, Transformation- and Modeling Languages,

Procdure-/ Process Models, i.e.: AE-Modell/SIZ, V-Modell, Catalysis, Agile Programming,

Process Definition of Organisationsal Processes, Company Internal Knowledge Management,

Konception as well as Administration of Network Solutions, Helpdesk and 2nd-Level Support,

Software Test/QS, Project Management.

Tools (Server)

Datenbanken:

PostgreSQL (since 1997), MySQL (since 1995), SQLite (since 2007) Oracle (since 2002), Sybase (since 2003), DB2 (since 1999), Berkley DB, MS SQL, Gadfly, Jet/MS Access, Notes.

Web-Services:

Apache (since 1994), Zope (1999-2007), CMF/Plone (2001-2007), Tomcat (since 2001), Websphere, Cocoon (since 2000).

Networking:

OpenLDAP (since 1999), slapd/slurpd, Squid, bind/named, sendmail (since 1993), postfix, procmail, imapd.

Tools (Client)

Entwicklung:

Emacs, vi, cvs, rcs, mutt, pine, eclipse, Komodo, gcc, xlc, bcc, gpp, gprof, make, ant, pdflib, SAX, DOM, magicDraw, Rational Rose, expat, xerces, xmlproc, reportlab.

Testtools/Frameworks:

HTTPTest, TestMaker, JMeter, mCheck, LWP, urllib, wget.

Publishing:

oXygen, DocBook, XML Spy, fop, Turbo XML, DreamWeaver, StyleMaster, LayoutMaster Dia, Xfig, Gimp, Corel Draw, Visio, LaTeX.

Office:

MS Excel, MS Word, MS PowerPoint, Adobe Acrobat, MS Project, MS Outlook, Star Office, Netscape Communicator, Mozilla, Opera, MS IE, Konqueror, Lotus Notes, lynx.

Languages

Python (since 1994), PHP (since 1995), Perl (sporadisch since 1991), Jython, JSP, ASP, Tcl/Tk (sporadisch since 1996), Shell (since 1991), Reguläre Ausdrücke (since 1991),

C (1989-1999), Java (since 1996), C++ (1992-2001), Java Servlet, ECMAScript, JavaScript, C#, [CORBA],

SQL (since 1996), XSLT (since 2001), XQL, XPath, DTML (since 1999), ZPT (since 2001), HTML (since 1993), WML (since 2000), CSS, WSDL (since 2001), XML Schema (since 2001),

UML (since 1999).

Protocols

TCP/IP (HTTP,SMTP, TLS, NNTP,FTP, SNMP, IMAP, ...) (since 1991),

[BEEP], [SASL],

IPv6,

DSS, ebXML, UDDI, IOTP, WAP, XML-RPC, SOAP

LDAP, LDIF, X500,

SMS, GPRS,

HBCI, SMBP,...

Platforms

PC/Client:

Linux (since 1993), MacOS (since 1993), MS Windows (since 1989), DOS (since 1987), OS/2 (1992-1994).

Server:

Linux (since 1994), FreeBSD (since 2000), IBM/AIX (1993-1999), Sun/Solaris (since 1994), SGI/Irix (1995-1996), VAX/VMS (1989-1999).

PDA:

PalmOS (2001-2007).

JavaCard:

OCF (2002-2003).