Online platforms and revenue management solutions

Freelance projects

Period: 08/2013 -

Industry: IT

Project: Online marketplace for reducing waste

Role: Business solution designer

Task: Creation of business models, introduction of lean startup methodology

Period: 03/2013 - 07/2013

Industry: Telecommunication

Project: Acceptance test of IMS based SDP solution

Role: Senior Integration Manager

Task: Review of test specifications and test automation

Environment: Ericsson IMS core, proprietary C++ middleware, JEE, Web-GUI, Oracle DB

Interfaces: Diameter, SIP, ISC, HTTP

Period: 05/2012 - 03/2013

Industry: IT

Project: Instant messaging solution for companies

Role: Architect

Task: Architecture, technology stack and client selection

Environment: Linux, Erlang/OTP, HTML4, Android, iOS, Microsoft Windows, Apple OS X, MeeGo

Period: 01/2013

Industry: Accounting

Project: Secure E-Mail

Role: Architect

Task: Design secure e-mail solution that can be easily used by all communication partners

Environment: Microsoft Windows, Linux, Apple OS X, Android, iOS, MeeGo, Microsoft Exchange Microsoft Outlook and others

Period: 01/2011 - 05/2012

Industry: Telecommunication

Project: Sales support for introduction of a new online platform in Europe

Role: Business solution advisor

Task: Support the European sales organization in presales activities

Environment: Linux, proprietary C++ middleware, JEE, proprietary NoSQL database, Oracle DB, HTTP, RESTful HTTP, SOAP, proprietary messaging framework, C++, Java, JavaScript and Python

Period: 09/2009 - 12/2010

Industry: Telecommunication

Project: Online platform for communication and media services including app store, IPTV support and MVNO support

Role: Advisor to chief architect and his team

Task: Support in design of new online platform based on standards of TM Forum Frameworx Suite (eTOM, TAM und SID), Open Mobile Alliance (OMA),W3C, IETF and 3GPP.

Period: 01/2009 - 06/2009

Industry: Telecommunication

Project: Convergent Charging - and Billing solution for major European operator

Role: Solution architect

Task: Advise local sales team on how to create an offer that fits the local operator and its parent company

Period: 2002

Industry: IT

Project: Prototype of a web based logistics solution

Role: Developer

Task: Architecture and implementation

Environment: Sun Solaris, HTTP, PHP, MySQL

Period: 1991 - 1999

Industry: Media

Project: ATARImagazin

Role: Contributing editor

Task: Articles on programming languages and on best practices in software engineering

Period: 1995

Industry: Public services

Project: Web page for a town

Role: Web page designer

Period: 1987 - 1997

Industry: IT

Project: Grafik-Forth

Role: Programming language developer

Task: Development on programming language Grafik-Forth. That language was the commercially most successful programming language in the 90s in the German speaking countries for ATARI 8 bit computers.

Permanent employments

1997-2008 Ericsson

Global Solution Manager Deutsche Telekom Account

Senior Researcher, Charging

System Architect, Charging and Internet services:

Architect of Ericsson's Service Network Framework (SNF), i.e. architect of Ericsson's online platform, head of Ericsson's charging working group, Ericsson Developer Community co-founder, created Ericsson's payment strategy, evaluated merger of Ericsson IPX unit with Charging Business Unit

Product Manager Charging
Product Manager M2M
Project Manager

Project manager of a new rating engine prototype for Ericsson. Project was very successful. Two prototypes instead of one had been build and verified.

GPRS developer

Lead developer of GRPS RLC Protocols, team had 12 persons.

Acceptance tester

Test case planning, test case execution and trouble shooting.

MBA with specialization in IT