Wolfgang Backhaus - Freelancer

Q: Where is Wolfgang based?

Wolfgang is based in Düsseldorf, Germany .

Q: What languages does Wolfgang speak?

Wolfgang speaks the following languages: German (Advanced), English (Advanced), French (Elementary) .

Q: How many years of experience does Wolfgang have?

Wolfgang has at least 35 years of experience. During this time, Wolfgang has worked in at least 6 different roles and for 8 different companies . The average length of individual experience is 4 years and 5 months . Note that Wolfgang may not have shared all experience and actually has more experience.

Q: What is Wolfgang's latest experience?

Wolfgang's most recent position is Freelancer at Self-employed as a freelancer .

Q: What companies has Wolfgang worked for in recent years?

In recent years, Wolfgang has worked for Self-employed as a freelancer .

Q: Which industries is Wolfgang most experienced in?

Wolfgang is most experienced in industries like Telecommunication , Education , and Chemical . Wolfgang also has some experience in Manufacturing and Information Technology .

Q: Which business areas is Wolfgang most experienced in?

Wolfgang is most experienced in business areas like Information Technology , Research and Development , and Business Intelligence . Wolfgang also has some experience in Product Development .

Q: What is Wolfgang's education?

Wolfgang holds a Doctorate in Applied Physical Chemistry from Forschungszentrum Jülich GmbH, Institute for Applied Physical Chemistry , a Master in Chemistry from Heinrich-Heine-Universität Düsseldorf and a Bachelor in Chemistry from King's College London .

Recommended expert

Düsseldorf, Germany

Experience

Aug 2016 - Present

9 years 8 months

Germany

Freelancer

Self-employed as a freelancer

Jan 2014 - Aug 2019

5 years 8 months

Germany

System engineer

ZTE Deutschland GmbH

Design, programming, and administration of performance management applications

Mar 2007 - Dec 2013

6 years 10 months

Germany

System engineer

Alcatel-Lucent Network Services

Design, programming, and administration of performance management applications
Enterprise reporting based on SAP Business Objects since November 2008

Nov 2002 - Feb 2007

4 years 4 months

Germany

System engineer

E-Plus Mobilfunk GmbH

Design, programming, and administration of performance management applications

Jul 2000 - Oct 2002

2 years 4 months

Germany

Software developer

Steria GmbH

Software design and programming of network performance databases in telecommunications

Nov 1997 - Jun 2000

2 years 8 months

Solingen, Germany

Employee

Institute for Galvanic and Surface Technology

Administration of the institute's IT systems
Website creation
User support
Chemical analysis

May 1992 - Oct 1997

5 years 6 months

Jülich, Germany

Dissertation (not completed)

Jülich Research Centre GmbH

Mar 1991 - May 1992

1 year 3 months

Düsseldorf, Germany

Research Associate

Institute for Physical and Electrochemistry II at Heinrich Heine University

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Telecommunication, Education, Chemical, Information Technology, and Manufacturing.

Telecommunication

Education

Chemical

Information Technology

Manufacturing

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Research and Development, Business Intelligence, and Product Development.

Information Technology

Research and Development

Business Intelligence

Product Development

Skills

General

System Administration
Programming
Databases
Version Control
Software Documentation
It Project Management

Programming

Python
Perl
Bash
Powershell
Sql
Unix Shell Scripts

Databases

Mysql/mariadb
Postgresql
Oracle

Operating Systems

Windows Nt / 2000 / Xp / 7 / 10
Linux (Debian, Ubuntu, Opensuse, Sles, Centos, Redhat, Slackware)
Unix (Sun Solaris, Dec, Hp-ux, Aix)

Standard Applications

Ms Word
Ms Excel
Ms Outlook
Ms Powerpoint
Ms Visio

Languages

German

Advanced

English

Advanced

French

Elementary

Education

May 1992 - Oct 1997

Forschungszentrum Jülich GmbH, Institute for Applied Physical Chemistry

Doctorate, not completed · Applied Physical Chemistry · Jülich, Germany

Oct 1987 - Apr 1988

King's College London

Chemistry · London, United Kingdom

Oct 1984 - Mar 1991

Heinrich-Heine-Universität Düsseldorf

Diploma in Chemistry · Chemistry · Düsseldorf, Germany

...and 1 more

Statistics

Experience

Total positions 8

Experience in Telecommunication 19 y

Avg length 4 y 8 m

Longest experience 9 y 7 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Freelancer, System engineer, Software developer

Main industries Telecommunication, Education, Chemical

Main business areas Information Technology, Research and Development, Business Intelligence

Qualifications

Highest degree Doctorate

Profile

Created

September 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Wolfgang based?

Wolfgang is based in Düsseldorf, Germany.

What languages does Wolfgang speak?

Wolfgang speaks the following languages: German (Advanced), English (Advanced), French (Elementary).

How many years of experience does Wolfgang have?

Wolfgang has at least 35 years of experience. During this time, Wolfgang has worked in at least 6 different roles and for 8 different companies. The average length of individual experience is 4 years and 5 months. Note that Wolfgang may not have shared all experience and actually has more experience.

What roles would Wolfgang be best suited for?

Based on recent experience, Wolfgang would be well-suited for roles such as: Freelancer, System engineer, Software developer.

What is Wolfgang's latest experience?

Wolfgang's most recent position is Freelancer at Self-employed as a freelancer.

What companies has Wolfgang worked for in recent years?

In recent years, Wolfgang has worked for Self-employed as a freelancer.

Which industries is Wolfgang most experienced in?

Wolfgang is most experienced in industries like Telecommunication, Education, and Chemical. Wolfgang also has some experience in Manufacturing and Information Technology.

Which business areas is Wolfgang most experienced in?

Wolfgang is most experienced in business areas like Information Technology, Research and Development, and Business Intelligence. Wolfgang also has some experience in Product Development.

What is Wolfgang's education?

Wolfgang holds a Doctorate in Applied Physical Chemistry from Forschungszentrum Jülich GmbH, Institute for Applied Physical Chemistry, a Master in Chemistry from Heinrich-Heine-Universität Düsseldorf and a Bachelor in Chemistry from King's College London.

What is the availability of Wolfgang?

Wolfgang is immediately available for suitable projects.

What is the rate of Wolfgang?

Wolfgang's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.