Guido Koopmann
SAP Integration Expert
Experience
SAP PI/PO Developer – Oracle ERP Replacement
Erasmus University
- Responsible for functional specifications and development of SAP PI/PO interfaces during replacement of SAP ERP with Oracle
- Technologies: SAP PI/PO
Tech Lead / SAP Integration Expert – Asset Management
ENECO
- End-to-end responsibility for Asset Management integrations within an SAP S/4HANA landscape
- Created functional and technical specifications
- Developed interfaces, APIs, and microservices using SAP CPI and API Management
- Acted as technical lead, safeguarding integration quality and consistency
- Technologies: SAP CPI, API Management, Microservices
Integration Expert – SAP C4C Migration
Fabory
- Delivered interface development specifications supporting migration from SAP CRM on-premise to SAP C4C
- Technologies: SAP C4C, WebMethods
Integration Expert – SAP C4C Implementation
Fibrant
- Setup and configuration of ERP to SAP C4C integrations using SAP CPI
- Technologies: SAP CPI, SAP C4C
SAP PI/PO Integration Consultant – Managed Services
Airmiles
- Development and troubleshooting of interfaces between Customer Portal and SAP CRM
- Technologies: SAP PI/PO, ABAP
Lead Developer – SAP S/4HANA Integrations
Swinkels Family Brewers
- Developed inbound and outbound integrations between SAP S/4HANA and non-SAP systems
- Covered multiple domains including Transportation, Sales & Distribution, and Finance
- Worked from blueprint phase through go-live
- Technologies: SAP CPI, Event Mesh
Tech Lead – Journal Entry Integrations (Single Point of Entry)
ENECO
- Designed and implemented a single standardized integration entry point for journal postings to SAP S/4HANA
- Consolidated ten different integration methods into one scalable solution
- Delivered the solution using SAP CPI, API Management, ABAP, and microservices
- Coached and supported fellow integration consultants in adopting the new approach
- Technologies: SAP CPI, API Management, ABAP, Microservices
SAP Integration Expert – HR / SuccessFactors
ENECO
- Implemented HR data integrations for internal and external employees
- Designed and implemented an Employee Common Data Model
- Integrated SAP SuccessFactors, Fieldglass, Concur, and SAP ERP
- Used Kafka publish/subscribe and SAP CPI for near real-time data synchronization
- Technologies: SAP CPI, SAP SuccessFactors, SAP ERP, Kafka, ABAP
SAP Integration Consultant – DevOps
ENECO
- Worked as Integration Expert within a DevOps team
- Developed SAP ERP integrations with SAP and non-SAP systems
- Designed and implemented ABAP Proxies
- Technologies: SAP CPI, ABAP, ABAP Proxies
SAP Integration Consultant
Various Clients
- Delivered SAP integration and ABAP solutions for clients including Philips Lighting, Erasmus University, ENECO, PPG Industries, EANDIS, and Arvesta
- Worked with SAP CPI, SAP PI/PO, SAP BPM, SAP Workflow, custom ABAP developments
- Technologies: SAP PI/PO, SAP CPI, SAP BPM, SAP Workflow, ABAP
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 (11.5 years), Energy (4.5 years), Utilities (3.5 years), Advertising (2.5 years), Food and Beverage (1 year), and Education (0.5 years).
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 Information Technology (18.5 years), Accounting (1.5 years), Human Resources (1.5 years), Finance (1 year), Logistics (1 year), and Sales (1 year).
Summary
Independent SAP Integration Expert with over 18 years of experience delivering robust, scalable, and business-critical integration solutions for enterprise clients. Specialized in SAP S/4HANA and SAP BTP Integration Suite (CPI), with deep expertise in SAP PI/PO, API Management, Event Mesh, and ABAP.
I help organizations simplify complex integration landscapes, standardize interfaces, and improve reliability by taking full ownership from blueprint and functional specification through development, testing, and go-live. Known for fast onboarding, clear communication, and a strong quality mindset.
Skills
Sap Integration: Sap Pi/po, Sap Integration Suite (Cpi / Ci)
Btp Services: Api Management, Event Mesh
Sap Technologies: Abap, Abap Proxies, Idocs, Sap Abap Gateway
Architectures: Event-driven, Api-led, Microservices, Canonical Data Models
Protocols & Patterns: Rest, Soap, Odata, Idoc, Publish/subscribe
Ways Of Working: Agile / Scrum, Devops, Waterfall
Sap Product Knowledge: S/4 Hana, Sap Erp, Fieldglass, Successfactors, Sales And Service, Concur
Fast Onboarding And Productive From Day One
Strong Sense Of Ownership From Design To Production Support
Focus On Quality, Reliability, And Long-term Maintainability
Clear Communicator Between Business, Architects, And Developers
Comfortable Operating Independently Or Leading Integration Teams
Languages
Education
Fontys Hogescholen Eindhoven
Bachelor of Information Technology (BIT) · Information Technology · Eindhoven, Netherlands
Certifications & licenses
SAP Certified - Solution Architect - SAP BTP
SAP
Discovering DevOps With SAP BTP
SAP
SAP Technology Knowledge 2020 - Integration Black Belt
SAP
Artificial Intelligence: Implications For Business Strategy
MIT Management
SAP Netweaver Pi 7.3 Development Associate
SAP
SAP Netweaver Abap 7.0 Associate
SAP
Profile
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