Jan Marc Effler-Project management in Project HORIZON
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Experience
Project management in Project HORIZON
Mercedes-Benz AG
- Consulting on project control
- Designing and implementing project control with Atlassian Confluence and Jira
- Designing and implementing the cutover plan and managing the cutover process with Atlassian Confluence and Jira
- Leading the work package for transitioning systems and data to the buyers
- Ensuring operational readiness and handover to the buyers
- Reporting to overall project management using Smartsheet
Time off (home construction)
Project management, requirements management, and test management in Project MyTIME
Mercedes-Benz AG
- Consulting on project strategy and control
- Advising on tendering and supplier selection (service description, requirements specification, requirement catalog)
- Advising on contract design and service level agreement (SLA)
- Coordinating risk assessment of the cloud service (Data@Cloud process)
- Leading the work package for test management
- Developing the test strategy and test concept (approved by KPMG)
- Implementing test management with Atlassian Jira/SmartBear Zephyr
- Designing and implementing requirements management with Atlassian Confluence and Jira
- Developing the migration strategy and migration concept (approved by KPMG)
- Modeling the service process in BPMN with Microsoft Visio
Project management, test management, and requirements management in Project PORTIN
Bayer AG
- Project management consulting and support
- Leading the work package for test management
- Designing the test management
- Implementing test management in Atlassian Jira/SmartBear Zephyr
- Developing test cases and test plans in Atlassian Jira/SmartBear Zephyr
- Documenting test executions and results in Atlassian Jira/SmartBear Zephyr
- Advising on requirements management design
- Operational requirements management
- Organizing, preparing, moderating, taking minutes, and following up on English and German calls, meetings, and workshops
- Designing, organizing, and conducting English and German software training sessions
- Process modeling in BPMN with Microsoft Visio
- Application development and user administration in Microsoft SharePoint
Project support and test management for the Microsoft SharePoint/Outlook-based email and document management system
YourTime Solutions GmbH
- Building a test management system with Microsoft Test Manager and Microsoft Team Web Access
- Creating test cases with Microsoft Test Manager
- Optimizing processes between test management and product development with Microsoft Team Web Access
- Conducting software tests
- Creating product documentation (German/English)
- Redesigning the website with WordPress
- Designing the newsletter with MailChimp
Personal training, coaching and support for Apple iPhone, iPad and Mac
Personal iTrainer
- Offering and conducting software training and support
- Developing a modular training concept for software training
- Conducting market analysis of products and competitors
- Designing and implementing the website with WordPress
Design, development and distribution of The Note iPhone app for multimedia notes and task management
The Note
- Market analysis
- Designing and developing the marketing mix (product, price, distribution and communication)
- Designing and developing the German and English versions of the app in Objective-C with Apple Xcode
- Designing and developing the German and English websites
- Creating the German and English product documentation
- Distributing the app through the App Store and carrying out marketing activities
- Continuous improvement
Project-free time (Africa trip)
Project management support in multi-project management for new CAx processes, methods and tools in car and engine development
DaimlerChrysler AG
- Supporting project management
- Organizing and preparing content for regular communications, and follow-ups up to center management level (E2)
- Setting agendas, inviting speakers, creating presentations, taking minutes, and documenting and tracking decisions and actions
- Continuously improving communication processes between project management and stakeholders
- Designing and implementing information offerings for stakeholders (intranet, newsletter)
- Planning the CATIA V4/V5 system migration
- Organizing a full-day CATIA V5 information event for about 200 suppliers
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Automotive, Information Technology, Education, Construction, Pharmaceutical, and Tourism.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Project Management, Product Development, Quality Assurance, Information Technology, Procurement, and Marketing.
Languages
Education
Diploma in Business Administration, focus on Business Informatics · Business Informatics
Certifications & licenses
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Jan Marc is based in Potsdam, Germany.
Jan Marc speaks the following languages: German (Native), English (Advanced), French (Elementary).
Jan Marc has at least 21 years of experience. During this time, Jan Marc has worked in at least 7 different roles and for 8 different companies. The average length of individual experience is 2 years and 3 months. Note that Jan Marc may not have shared all experience and actually has more experience.
Based on recent experience, Jan Marc would be well-suited for roles such as: Project management in Project HORIZON, Project management, requirements management, and test management in Project MyTIME, Project management, test management, and requirements management in Project PORTIN.
Jan Marc's most recent position is Project management in Project HORIZON at Mercedes-Benz AG.
In recent years, Jan Marc has worked for Mercedes-Benz AG and Time off (home construction).
Jan Marc is most experienced in industries like Automotive, Information Technology, and Education. Jan Marc also has some experience in Construction, Pharmaceutical, and Tourism.
Jan Marc is most experienced in business areas like Project Management, Product Development, and Quality Assurance. Jan Marc also has some experience in Information Technology, Procurement, and Marketing.
Jan Marc has recently worked in industries like Automotive and Construction.
Jan Marc has recently worked in business areas like Project Management, Procurement, and Quality Assurance.
Jan Marc holds a Master in Business Informatics.
Jan Marc has 1 certificate: PRINCE2® Foundation Certificate In Project Management.
The availability of Jan Marc needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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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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