Christian Renneberg-Freelance Test Manager / Requirements Manager
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Experience
Freelance Test Manager / Requirements Manager
Self-employed
- Consulting in test management, test design, test automation, test process optimization for national and international clients
Consultant Test Management / Test Automation / Test Design
SQS Software-Quality-Systems AG
- Consulting in test management, test design, test automation, test process optimization for national and international clients
Consultant Test Management
ConceptQ GmbH
- Consulting in test management
- Functional test design
- Manual test execution
- Test process optimization
- PMO activities
- Acceptance tests both internally and for automotive clients
Software Quality Manager
TTR IT-Solutions
- Test management
- Planning of build tests
- Functional test design
- Manual test execution of TTR IT Solutions' CSM software
Software Quality Engineer
Techem Energy Contracting GmbH
- Test management
- Functional test design
- Manual test execution of the energy monitoring system and the energy management system
- Requirement definition
- Functional further development and testing of the online portal, the databases and the data collector
Consultant - Software Testing
Giegerich und Partner GmbH
- Consulting in functional test design
- Test automation
- Manual test execution for Sirona Dental Systems in Bensheim
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Professional Services, Energy, Automotive, and Healthcare.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Quality Assurance, Information Technology, and Project Management.
Skills
Software Testing
- Test Management, Test Design, Manual And Automated Test Execution
- Test Process Improvement (Tpi® Next)
- Experience In Implementing And Using Requirements And Test Management Tools
- Test Management: Imbus Testbench, Hp Quality Center, Hp Alm, Sqs Test Professional, Silkcentral Test Manager, Aqua, Microsoft Tfs, Azure Devops, Jira With Xray
- Defect Management: Bugzilla, Mantis, Jira, Hp Alm, Redmine, Otrs
- Load And Performance Testing: Jmeter, Hp Performance Center
- Test Automation: Ranorex, Hp Uft, Selenium, Soapui, Cucumber
Methodologies
- Scrum, Kanban, Xp, V- And W-Model, Tpi Next®
Software Development
- C#, Php, Sql, Javascript, Java, C, Xml, Batch And Other Scripting Languages
- Jbuilder, Eclipse, Ms Visual Studio
Languages
Education
Imbus Rhein- Main GmbH
Training as an IT specialist in application development · IT specialist in application development · Hofheim, Germany
University of Cologne
Chemistry · Cologne, Germany
Friedrich-Ludwig-Jahn-Gymnasium Salzwedel
General university entrance qualification · Salzwedel, Germany
Certifications & licenses
ISTQB-Certified Tester – Advanced Level Technical Test Analyst
ISTQB-Certified Tester – FULL ADVANCED LEVEL
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Christian is based in Jork, Germany and prefers 100% remote projects.
Christian speaks the following languages: German (Native), English (Advanced).
Christian has at least 17 years of experience. During this time, Christian has worked in at least 6 different roles and for 6 different companies. The average length of individual experience is 3 years and 10 months. Note that Christian may not have shared all experience and actually has more experience.
Based on recent experience, Christian would be well-suited for roles such as: Freelance Test Manager / Requirements Manager, Consultant Test Management / Test Automation / Test Design, Consultant Test Management.
Christian's most recent position is Freelance Test Manager / Requirements Manager at Self-employed.
In recent years, Christian has worked for Self-employed.
Christian is most experienced in industries like Information Technology, Professional Services, and Energy. Christian also has some experience in Automotive and Healthcare.
Christian is most experienced in business areas like Quality Assurance, Information Technology, and Project Management.
Christian has recently worked in industries like Information Technology.
Christian has recently worked in business areas like Information Technology and Quality Assurance.
Christian attended Imbus Rhein- Main GmbH for IT specialist in application development.
Christian has 7 certificates. Among them, these include: SCRUM.ORG Professional Scrum Master I, ISTQB-Certified Tester – Advanced Level Technical Test Analyst, and ISTQB-Certified Tester – FULL ADVANCED LEVEL.
The availability of Christian needs to be confirmed.
Daily rate distribution
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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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