Recommended expert
Christian Renneberg
Freelance Test Manager / Requirements Manager
Experience
Jul 2017 - Present
8 years 8 monthsFreelance Test Manager / Requirements Manager
Self-employed
- Consulting in test management, test design, test automation, test process optimization for national and international clients
Jan 2014 - Jun 2017
3 years 6 monthsGermany
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
Jan 2013 - Dec 2013
1 yearWolfsburg, Germany
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
Oct 2012 - Dec 2012
3 monthsFrankfurt, Germany
Software Quality Manager
TTR IT-Solutions
- Test management
- Planning of build tests
- Functional test design
- Manual test execution of TTR IT Solutions' CSM software
Jan 2010 - Sep 2012
2 years 9 monthsEschborn, Germany
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
Aug 2009 - Dec 2009
5 monthsDreieich, Germany
Consultant - Software Testing
Giegerich und Partner GmbH
- Consulting in functional test design
- Test automation
- Manual test execution for Sirona Dental Systems in Bensheim
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (13.5 years), Professional Services (3.5 years), Energy (2.5 years), Automotive (1 year), and Healthcare (0.5 years).
Information Technology
Professional Services
Energy
Automotive
Healthcare
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Quality Assurance (16.5 years), Information Technology (15 years), and Project Management (1 year).
Quality Assurance
Information Technology
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
German
NativeEnglish
AdvancedEducation
Jun 2006 - Jul 2009
Imbus Rhein- Main GmbH
Training as an IT specialist in application development · IT specialist in application development · Hofheim, Germany
Sep 2003 - May 2006
University of Cologne
Chemistry · Cologne, Germany
Friedrich-Ludwig-Jahn-Gymnasium Salzwedel
General university entrance qualification · Salzwedel, Germany
Certifications & licenses
SCRUM.ORG Professional Scrum Master I
ISTQB-Certified Tester – Advanced Level Technical Test Analyst
ISTQB-Certified Tester – FULL ADVANCED LEVEL
ISTQB-Certified Tester – Foundation Level – Agile Tester
ISTQB-Certified Tester – Advanced Level – Test Analyst
ISTQB-Certified Tester – Advanced Level – Test Manager
ISTQB-Certified Tester – Foundation Level
Profile
Created
Last Update
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Frequently asked questions
Do you have questions? Here you can find further information.
Where is Christian based?
Christian is based in Jork, Germany and prefers 100% remote projects.
What languages does Christian speak?
Christian speaks the following languages: German (Native), English (Advanced).
How many years of experience does Christian have?
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 9 months. Note that Christian may not have shared all experience and actually has more experience.
What roles would Christian be best suited for?
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.
What is Christian's latest experience?
Christian's most recent position is Freelance Test Manager / Requirements Manager at Self-employed.
What companies has Christian worked for in recent years?
In recent years, Christian has worked for Self-employed.
Which industries is Christian most experienced in?
Christian is most experienced in industries like Information Technology (IT), Professional Services, and Energy. Christian also has some experience in Automotive and Healthcare.
Which business areas is Christian most experienced in?
Christian is most experienced in business areas like Quality Assurance (QA), Information Technology (IT), and Project Management.
Which industries has Christian worked in recently?
Christian has recently worked in industries like Information Technology (IT).
Which business areas has Christian worked in recently?
Christian has recently worked in business areas like Information Technology (IT) and Quality Assurance (QA).
What is Christian's education?
Christian attended Imbus Rhein- Main GmbH for IT specialist in application development.
Does Christian have any certificates?
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.
What is the availability of Christian?
Christian is immediately available full-time for suitable projects.
What is the rate of Christian?
Christian's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Christian?
To hire Christian, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
1000
750
500
250
Market avg: 760-920 €
Market avg: 760-920 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Similar Freelancers
Discover other experts with similar qualifications and experience
Aiman Ragab
View profile
Mohamed Elsayed
View profile
Walid Haidari
View profile
Stéphane Tatuebu
View profile
Martin Moser
View profile
Sebastian Nkwenti
View profile
Matthias Ottowski
View profile
Rainer Koloc
View profile
Alexander Bulgakov
View profile
Jens Hagemeyer-lee
View profile
Srecko Soric
View profile
Max Lippe
View profile
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Freelance Test Manager / Requirements Manager
Aiman Ragab
Test Manager and Test Automation Engineer
View Profile
Alexander Hauser
Test Manager
View Profile
Knut Nickol
Tester and Quality Coordinator
View Profile
Waleri Moretz
Project Manager
View Profile
Mohamed Elsayed
Test Manager & Defect Manager
View Profile
Thorsten Matzner
Senior Test Engineers for an OpenShift Data and Analytics Platform
View Profile
Christoph Sawicki
Test manager
View Profile
Holger Guschigk
Test Automation Engineer, Quality Assurance Consultant
View Profile
Martin Petermann
Business Analyst and Test Manager
View Profile
Martin Grambauer
SAP Test Data Management Consultant
View Profile
Max Echt
Tester, Test Manager
View Profile
Atef Abdel-rahman
System, load, acceptance and performance testing and QA manager for banking systems
View Profile
Nearby freelancers
Professionals working in or nearby Jork, Germany
Oliver Voss
Interim Manager and Management Consultant
View Profile
Saba Malik
IT Business Analyst
View Profile
John Lloyd Osmant
Operations Director
View Profile
Fabian Oechsner
Head of Product / Product Owner
View Profile
Lars Jurischka
Project Manager & Data Privacy/Compliance Manager
View Profile
Holger Guschigk
Test Automation Engineer, Quality Assurance Consultant
View Profile
John Von Saurma
Interim Head of Content & Social Media
View Profile
Reha Altay Bozgül
Business Devolopment Specialist
View Profile
Rainer Diekmann
Enterprise Architecture Management / Backend Software Developer
View Profile
Olaf Drewicke
Owner/Counselor
View Profile
Jonas Harms
Head of Performance Marketing
View Profile
Basar Deniz
Product & Growth Advisor
View Profile
