|
-
2008 - today: Freelancer in technical consulting and
development, focus: SAP, Web applications, integration, software
architecture
-
2003 - 2009: Dissertation at the Technical
University Ilmenau
(ranking
Europe)
about software architecture, alongside work
-
2007 - today: Administration and development for
project RobocodeJGAP
-
2003 - today: Administration and development of the
open-source project JGAP
-
2003 - 2009: Publication of three books plus a book contribution as well as several articles (popular
as well as scientific, in German and in Englisch)
-
2001 - 2008: Employed as consultant for organizations
with focus on SAP and Java in various domains
-
1997 - 2001: Active as entrepreneur in the field of
software consulting and development; foundation of a small ISV. Head
of a team with two permanent and several casual colleagues.
-
1995 - 2001: Studied computer science with master
degree at the Technical
University Ilmenau
(ranking
Europe)
-
1990: German Champion: Jugend trainiert für Olympia
(1000 meter dash)
-
1987 - 1994: Programming of intros, demos, programs,
EPROM-tools with Z80-assembler, Basic, Turbo Pascal
-
Keeping a weblog at the SAP
Developer Network (SDN)
-
Keeping a personal weblog about software development,
automated software tests and genetic algorithms
-
Administration of the JGAP-Homepage.
Realization of the project JGAP. Building up a platform for
distributed computing (sort of like BOINC/Seti@Home)
-
SAP SRM
consulting and development (several projects for different
customers): Technology consulting für SRM 4 and SRM 7; feasability
studies, prototyping, concepts, implementation
-
Creation of several homepages for different customers
-
SAP SRM
consulting and development (two concurrent projects for two
customers): Technology consulting für SRM 4 and SRM 7; Process
consulting, feasability studies, concepts, systems integration,
testing, development, customizing, etc. Methods: SAP SRM, ABAP, ABAP/Objects, ABAP Web Dynpro,
BADIs, Enhancement Spots, Internet Services, HTML Templates, ICF Services, HTML, HTMLBusiness,
Java, JavaScript, AJAX, OCI-Schnittstelle, Heiler catalog, MDM, external catalogues,
BRF workflow, classic workflow
-
SAP SRM
consulting and development (two concurrent projects for two
customers): Technology consulting für SRM 4 and SRM 7; Creation of
concepts; Integration of external catalogues with SAP via own
solution, relying on HTTP and AJAX; Implementation; Third-level
support. SRM 7 release change. Methods: ABAP, ABAP/Objects, BADIs,
DDIC, ABAP Web Dynpro,
Internet Services, HTML Templates, ICF Services, HTML, HTMLBusiness,
JavaScript, OCI-Schnittstelle, internal and external catalogues, XSL,
Java, JSP
-
ABAP Web Dynpro: Four day inhouse seminar, including
ABAP Objects introduction. Oral presentation, combined with examples
and the creation of demo applications. Individualization of contents
according to the customer's requirements
-
SRM consulting and
development (two projects in parallel): SRM 7.0 and MDM
evaluation; technological consulting; Creation of business
specifications; Implementation of requirements; Bug fixing. Methods:
ABAP, ABAP Objects, ABAP Web Dynpro, Internet Services, HTML
Templates, ICF Services, HTML, HTMLBusiness, Javascript, OCI
interface, internal and external catalogues
-
SAP SRM: Enhancement, development as well as third-level
support for the order system of a global customer (telecommunication
sector). Methods: SAP SRM, ABAP, ABAP/Objects, BAdis,
Javascript, Interner Services, HTML, Dynpros, external ITS, external catalogs (Heiler
catalogue, Heiler
SMARTFORM), XSL, Apache FOP (for generating PDFs)
-
SAP SRM: Business consulting, technology consulting,
development, bug fixing. Methods: SAP SRM, SAP R/3, Browser-settings, Internet Services, HTML
Templates, BHTML (Business HTML), ABAP, BAdis,
Javascript, HTML, OCI (Open Catalogue Interface), implementing OSS-notes, Solution
Manager
-
Creation of maintenance views for SAP BW
info objects. Methods: SAP R/3, SAP BW, Web Dynpro for ABAP
-
Web Service
conversion from Microsoft ASP to PHP. Reason was moving of the web
server from Windows to Linux. Installation of Apache web server and of
PHP module. Methods: PHP, Microsoft ASP (reading), HTML, Javascript,
Apache HTTP server
-
Building of an Internet supplier portal: Development
from scratch, project management, integration of
existing systems, among them SAP and Lotus Notes. Methods: Java (Java 5 SE, NetBeans,
several libraries and frameworks), web technologies (RIFE,
HTML, CSS, Javascript, AJAX, Javascript frameworks, JUnit), SAP, SAP Java Connector,
ABAP
-
SAP SRM: Consulting regarding processes and
documentation; support in escalating issues to SAP; Adaptation of standard functionality to
customer needs. Techniques: SAP SRM Module (including PPOMA and CCM), SAP R/3, SAP
ITS, BSP (Business Server Pages), BHTML (Business HTML), ABAP, BAdis,
Javascript, HTML, OCI (Open Catalogue Interface)
-
Extending the grid functionality of JGAP
-
Implementation of numerous different maintenance
views for BW info objects with ABAP Web Dynpro
-
Import, conversion and export of complex
business partner data. Methods: SAP R/3, ABAP
-
Extending a product for complex address
management (including clearing). Methods: SAP R/3, ABAP, Microsoft Visual C++ 6.0, Linux
administration
-
Extending JGAP's
code base extensively, introducing grid computing
-
2005/2006: Customer extension of a hospital system
for the rehabilitation sector; Porting of the legacy system (Java) to
the new system (SAP). Methods: SAP R/3, ABAP, ABAP/Objects, module:
IS-H; Java, Oracle 9
-
Installation and Evaluation of SAP NetWeaver for
Java. Methods: SAP NetWeaver 6.4, NetWeaver Developer Studio for Java,
SAP R/3
-
Implementation of and bug fixing for a
customer-made hospital system. Methods: Java, Oracle 8, Windows, Linux
-
Customer support for material management;
creation of sales forms for a foreign subsidiary of a customer.
Methods: SAP R/3, ABAP, Module: QM, MM, SD
-
Design and implementation of a web shop
as well as a system for electronically communicating dysfunctions by
the customer from the driven enterprise resource planning system.
Methods: Borland Delphi 6, Java, Windows, Linux, MySQL, BTrieve
database
-
Diverse SAP-customer exists for physical
probes. Methods: SAP R/3, module QM, ABAP
-
Consulting for a mid-size logistics service
provider: Diverse tasks, from consulting to profiling to
implementation
-
Design of a new platform for a fashion channel;
prototyping and supervision of the previous platform. Methods: ASP,
Borland Delphi 5, Oracle 8, Windows NT
-
Several years long: Miscellaneous smaller maintenance tasks
for computer centers of multiple companies
-
Several years long: Design, implementation, and maintenance
of a complex warehouse management system for a big manual center of
distribution. Methods: Borland Delphi 5, Oracle 8, Windows NT,
Multi-Tier-Architecture
-
Many small projects, among them
several months working for a huge plant constructor. Methods: Assembler,
Basic, Delphi, Lotus 123, Paradox
|
