Kai (Raphael Magnus) Birkenbusch-Freelance CPQ Consultant (Full-Time)
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Experience
Freelance CPQ Consultant (Full-Time)
Freelance CPQ Consultant
- Independent CPQ consulting for a portfolio of industrial manufacturers, including Scheidt & Bachmann, Trützschler Group SE, and Weiss Klimatechnik GmbH (Schunk Group)
- Full project coverage: requirements analysis, concept, system design, implementation, testing, and international go-live support
- Deep integration work with SAP ECC (material master replication, SD document creation, material creation, general APICONNECT and other web service interfaces)
- Process consulting: analysis and optimization of internal quoting processes for sales and management
- Knowledge transfer/coaching and pair programming to strengthen internal team skills
Freelance CPQ Consultant (Part-Time)
Freelance CPQ Consultant
- Scheidt & Bachmann: ongoing CPQ support for Parking Solutions and Signalling Systems
- Weiss Klimatechnik GmbH / Schunk Group (from summer 2024): SAP integration, feature development and debugging, identifying improvement opportunities with direct presentations to decision-makers
Software Architect & CPQ Developer
Trützschler Group SE
- Developed the Camos CPQ solution (camos.Quotation 13.3) with Microsoft Dynamics CRM integration
- Customized and continuously enhanced the platform in close cooperation with internal and external sales, IT, and management
Software Developer
Reifenhäuser GmbH & Co. KG
- Maintained the existing camos.Selling solution (predecessor of camos.Quotation)
- Prepared the introduction of Eplan Engineering Center Professional
Sabbatical — Travel & Personal Development
Sabbatical
- Bike trip from Lake Constance to Rome: building physical fitness and learning basic Italian
- Independent exploration of western Cuba: gaining new perspective on culture, resilience, and daily life in a country shaped by communism
Software Architect & CPQ Developer
Scheidt & Bachmann GmbH (Parking Solutions)
- Lead architect for the full replacement and redesign of an internationally used quoting tool: migrated camos.Quotation 6.0 to 12.8 across multiple countries
- Seconded to Signalling Systems from February 2021: built a quoting solution (camos.Quotation 13.4) from scratch
- Designed the integration architecture for all SAP interfaces including API Connect, internal web services, master data replication, and quote and order creation via SAP ECC
- Technical trusted advisor at decision-making level: challenged existing approaches and presented alternatives directly to stakeholders
Consultant — Engineering Center One & Engineering Center Professional
EPLAN Software & Service GmbH & Co. KG
- Delivered presentations, on-site installations, and customer trainings across various industries
- Standardized and customized customer circuit diagrams for automated schematic generation
- Developed initial modules, libraries, and front ends
- Created requirements and system specifications
Software Developer — International Product Configurator with camos
nkt cables GmbH
- Developed an international product configurator for cables and cable assemblies with an SAP interface based on camos.CAPP
- Created generators for cables, metal ropes, and assemblies including assembly instructions and costing in camos.Develop
- Defined and programmed system specifications at the nkt Group level
- Conducted employee training
Software Developer — Embedded Systems
DEUTA Werke GmbH
- Co-developed and enhanced train components
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Manufacturing and Information Technology.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Product Development, Information Technology, Sales, and Customer Service.
Summary
Senior CPQ Consultant | Camos CPQ Specialist
Over 15 years of experience in developing and implementing industrial CPQ solutions. Focus areas: end-to-end architecture based on Camos CPQ, SAP integration (ECC, APICONNECT), and optimizing quoting and pricing processes. Strong expertise in technical consulting, project management, and working with cross-functional teams in engineering-driven companies.
Skills
- Cpq Platform: Camos Cpq (Camos.Develop V8+, Camos.Quotation, Camos.Capp, Camos.Selling)
- Erp Integration: Sap Ecc, Apiconnect, Sd Documents, Material Master, Web Service Interfaces
- Crm Integration: Microsoft Dynamics Crm
- Plm / Engineering: Eplan Engineering Center One & Professional
- Programming: Camos.Develop, Eec, Ansi C, C++, C#, Java, Delphi, Vba
- Web & Data: Html/Css, Javascript, Php, Xml, Json, Sql, General Rest Apis
- Tools: Ms Sql Server, Soapui, Vmware, Eclipse, Ms Visual Studio, N8n
- Ai & Automation: Ai Workflow Development (N8n, Chatgpt, Claude, Gemini)
- Operating Systems: Windows, Ubuntu/Linux
Languages
Education
DHBW Mannheim
Dipl.-Ing. (BA) · Information Technology — Engineering Informatics · Mannheim, Germany · 1.5 (very good)
Werner-von-Siemens Vocational College
General technical college entrance qualification + state-certified electrotechnical assistant · Germany
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Kai is based in Cologne, Germany and can operate in on-site, hybrid, and remote work models.
Kai speaks the following languages: German (Native), English (Advanced).
Kai has at least 19 years of experience. During this time, Kai has worked in at least 8 different roles and for 8 different companies. The average length of individual experience is 2 years and 1 month. Note that Kai may not have shared all experience and actually has more experience.
Based on recent experience, Kai would be well-suited for roles such as: Freelance CPQ Consultant (Full-Time), Freelance CPQ Consultant (Part-Time), Software Architect & CPQ Developer.
Kai's most recent position is Freelance CPQ Consultant (Full-Time) at Freelance CPQ Consultant.
In recent years, Kai has worked for Freelance CPQ Consultant, Trützschler Group SE, Reifenhäuser GmbH & Co. KG, Sabbatical, and Scheidt & Bachmann GmbH (Parking Solutions).
Kai is most experienced in industries like Manufacturing and Information Technology.
Kai is most experienced in business areas like Product Development, Information Technology, and Customer Service. Kai also has some experience in Sales.
Kai has recently worked in industries like Manufacturing.
Kai has recently worked in business areas like Information Technology, Product Development, and Sales.
Kai holds a Bachelor in Information Technology — Engineering Informatics from DHBW Mannheim.
The availability of Kai 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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