Wolfgang Backhaus-Freelancer
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Experience
Freelancer
Self-employed as a freelancer
System engineer
ZTE Deutschland GmbH
- Design, programming, and administration of performance management applications
System engineer
Alcatel-Lucent Network Services
- Design, programming, and administration of performance management applications
- Enterprise reporting based on SAP Business Objects since November 2008
System engineer
E-Plus Mobilfunk GmbH
- Design, programming, and administration of performance management applications
Software developer
Steria GmbH
- Software design and programming of network performance databases in telecommunications
Employee
Institute for Galvanic and Surface Technology
- Administration of the institute's IT systems
- Website creation
- User support
- Chemical analysis
Dissertation (not completed)
Jülich Research Centre GmbH
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.
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.
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
Education
Forschungszentrum Jülich GmbH, Institute for Applied Physical Chemistry
Doctorate, not completed · Applied Physical Chemistry · Jülich, Germany
King's College London
Chemistry · London, United Kingdom
Heinrich-Heine-Universität Düsseldorf
Diploma in Chemistry · Chemistry · Düsseldorf, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Wolfgang is based in Düsseldorf, Germany.
Wolfgang speaks the following languages: German (Advanced), English (Advanced), French (Elementary).
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.
Based on recent experience, Wolfgang would be well-suited for roles such as: Freelancer, System engineer, Software developer.
Wolfgang's most recent position is Freelancer at Self-employed as a freelancer.
In recent years, Wolfgang has worked for Self-employed as a freelancer.
Wolfgang is most experienced in industries like Telecommunication, Education, and Chemical. Wolfgang also has some experience in Manufacturing and Information Technology.
Wolfgang is most experienced in business areas like Information Technology, Research and Development, and Business Intelligence. Wolfgang also has some experience in Product Development.
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.
The availability of Wolfgang needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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