
SAP RFC Experts in Germany
to integrate SAP systems with vetted, available freelancers matched in minutesHire experts who design remote function calls, connect SAP modules with external applications, and troubleshoot ABAP-based interfaces across business-critical landscapes. FRATCH helps you find a precise match quickly from vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used SAP RFC
Paul W.
Last position:
Enterprise Architect at ePrimo GmbH
Led the end-to-end integration and migration architecture for decommissioning SAP IS-U market communication and transitioning to Salesforce Marketing Cloud (SFMC) with E.ON IT Services — covering regulated EDIFACT market messaging, a three-phase data migration (transfer of market message inventory after cutover), redesign of market communication processes, and full GDPR and German energy-market compliance.
- Designed the three-tier target architecture (SAP IS-U → NScale B2B gateway → SFMC) processing 50,000–100,000 EDIFACT messages daily within sub-5-minute SLAs.
- Architected the three-phase data migration: 36 months of historical data, zero-loss cutover of in-flight market messages, and near-real-time CDC synchronization.
- Delivered secure, BDEW/GDPR-compliant integration (AS2/OFTP2, RFC/IDoc, REST APIs, OAuth 2.0, Azure AD, AWS S3) achieving >99.5% uptime, <0.1% migration discrepancy, and RTO <4 hours.
- Applied BPMN to model and optimize the market communication processes.
Technologies: SAP IS-U, NScale, Salesforce Marketing Cloud, EDIFACT, OAuth 2.0, Azure AD, AWS S3, BPMN, Jira, Confluence, Draw.io
Joaquim L.
Last position:
SAP Senior ABAP Developer
SAP Data Migration Greenfield QM
In the QM module project, the focus was on migrating inspection plans and transferring Dynpro applications from the ECC system to the HANA system while adhering to development guidelines and clean code principles. The project involved the use of technologies and concepts such as ABAP Objects (ABAP OO), Clean Code practices, SMOD/CMOD enhancements, User Exits, Function Exits, BAdIs, interfaces, and classes. Writing complex reports for download and upload of change pointer information of inspection plan header.
Peter S.
Last position:
SAP FI/CO/PSM Consulting at Federal authority
- SAP ERP/ECC, SAP S/4 Hana
- Analysis and documentation of SAP FI/CO, PSM, PSCD customizing
- Analysis, consulting and documentation of S/4 Hana apps for defining and executing statutory reports
- Clarification of the prerequisites for using S/4 Hana apps to define and execute statutory reports
- Analysis and documentation of customizing for in-house developments
- Consulting on the integration of SAP FI/CO as well as PSM, PSM-FM (Funds Management), Contract Accounts Receivable and Payable (PSCD)
- Consulting and documentation of customizing adjustments in SAP FI/CO, PSM, PSM-FM, PSCD when introducing new company codes and other organizational structures
- Consulting and documentation of necessary process adjustments
Florian S.
Last position:
ABAP/4, ABAP Objects Developer at Migros-Genossenschafts-Bund
- WRICEF objects (Reports, Interfaces, Conversions, Enhancements, Forms and Workflow) in the FI and CO modules of S/4HANA ECC using ABAP OO
- Use of SAP HANA Studio, AIF, SAP Solution Manager, Confluence and Jira
- Environment: SAP S/4HANA on Premise 2020
André S.
Last position:
IT Consultant SAP® Administration at Lechwerke AG (LEW)
- IT services for the administration of the SAP® systems NETZ/Sales, BW, Core, Portal
- Administration of SAP® authorizations and users via central user administration (ZBV) in SAP® Solution Manager
- Setup and further development of SAP® authorization roles
- Role assignment according to requests
- Creation, change, and deletion of users
- Incident handling and error analysis (e.g. authorization trace, debugging in test systems)
- Cooperation with the SAP® development team on new implementations and process changes
- Special tasks
- Execution of Privileged User Management (PUM) 2023–2025 using Security Bridge
- Decommissioning of the SAP® Core system and migration to S/4HANA
Moein B.
Last position:
SAP Lead and Managing Consultant at König Solutions GmbH
Consulting, consulting, branch manager and portfolio lead HCM and SuccessFactors
József S.
Last position:
Interim ABAP-OO Developer at Interdiscount
- Interim ABAP-OO developer on an S/4 HANA conversion
- Automation of retail pricing (IS-Retail)
- RFC interface between the POS system and S/4 (SD)
- RFC interface between S/4 and R/3 for price comparison (SD)
- Automatic creation and accrual of price conditions (SD)
- Automation of setting the regular supplier in the info record (MM/SD)
Orhan Y.
Last position:
SAP Senior Consultant OTC/MM/WM/LE/CS/PS/GTS, C4C-Cloud (Sales, Services, E-Commerce) at High-Technologie
- Support and consulting for the integration of SAP ECC into an SAP S/4HANA system, retirement of legacy systems, implementation, and process optimization in the new harmonized system
- Project implementation of S/4HANA Cloud Private & Public Sales & Services with SAP SCM/OTC/MM/LE/CS/PS, S/4HANA Cloud, CPI, BTP, EDI, IDOC, ABAP, User-Exit, SolMan, ITIL, SAP Cloud AL
- Customizing and optimization in OTC and MM, including condition maintenance, document type and item category extensions, integration with FI/CO, scheduling agreement configuration, material master and purchasing info record maintenance, release procedures, message control, and master data quality
- Ensuring integration of PTP with FI/CO, SD, and WM, process analysis, and efficiency improvement for the S/4HANA environment
- Process modeling in Signavio, workshops, and trainings
- 2nd & 3rd level support in OTC, MM, CS, PS, C4C Sales & Services, GTS, and MDG: incident and change tickets, feasibility analyses, service management, embedded analytics, customizing, tests, documentation, training, debugging, IDOC/EDI monitoring
- SAP S/4HANA migration: data migration, system harmonization, global rollouts, and template development
- ABAP development and optimization: reports, dialog programs, user exits, IDOC/EDI monitoring
Mario P.
Last position:
Senior IT Project Manager / Program Lead – Network Strategy 2030 at ALDB GmbH
- Holistic responsibility for modernizing and expanding federal networks and upgrading critical data center and telecom infrastructure in the high-security agency environment of BDBOS
- Planning and management of the expansion of national BOS network infrastructure in the VS-NfD/KRITIS environment with technical decision authority at the architecture and component level (Cisco, Layer 2/3, WAN redundancy)
- Planning, tendering (EVB-IT/UVgO) and oversight of the upgrade of security-critical telecom infrastructure for emergency call 110/112 (ACD)
- Capacity planning, rack integration, structured cabling, power supply, cooling concept (CRAC/In-Row) and DCIM monitoring for data center expansion
- Building the IT department from scratch: structures, governance, processes, team recruiting, vendor selection and long-term IT strategy
- Planning and managing infrastructure and application migrations: migration strategies, batch planning, hypercare stabilization and rollback concepts
- Creating vendor-neutral specifications (telecom systems, signature solutions) according to EVB-IT and UVgO; contract award and vendor management
- Setting up a secure IT environment according to BSI basic protection, ISO 27001 and VS-NfD; developing IT security concepts and CMDB analyses
- Hands-on program leadership: decision papers for management and steering committees, risk management, reporting and change request control
Bernd J.
Last position:
SD Consultant at Richter+Frenzel GmbH + Co. KG
- SAP S/4 Greenfield (SD, MM, interfaces)
- Use of Fiori apps
- Interface management with CPI and Lobster
- Implementation and support of ORDERS, ORDRSP, INVOICE, PROACT
- ATP availability check
- Search help and middleware configuration
- KMAT and advanced variant configuration
- PR/purchase order
- Consignment process
- Condition determination
- Price determination
- Message determination
- Master data maintenance and optimization
- Situation handling
- BPEM and clarification case management
- Consulting and support
Dieter K.
Last position:
SAP Senior Consultant at Shop and Catering
Implementation of MM and SD with integration of Diebold-Nixdorf cash registers
Capturing the required processes (inventory management, procurement, sales, and cash register processes)
Customizing MM and SD
Project planning and control
Master data upload and inventory recording using LSMW based on Excel spreadsheets
Cash register data transfer via EDI and IDoc processing (MBGMCR and ACC_DOCUMENT)
Creating extensive documentation for internal staff
No middleware; instructing and training customer staff in customizing; SAP standard as prerequisite
SAP ECC 6.0 modules MM, SD, FI
Markus J.
Last position:
Senior SAP ABAP Developer at BIBB - Federal Institute for Vocational Education and Training
- Support for an SAP S/4HANA migration
- Adjustments and bug fixes in SAP CATS
- Technical stabilization of existing developments
- Code analysis and cleanup of custom ABAP developments
Suneel D.
Last position:
SAP Consultant & Developer at KS KeySolutions GmbH
- ABAP developments for rku.it GmbH, Agena GmbH, Koenig & Bauer AG, Salzgitter AG, duagon AG
- Redesigned material configuration data mass maintenance Fiori app for Siemens AG Engineering to resolve system resource issues
- Conducted S4Hana ABAP code remediation, ATC checks, and implemented ABAP parallel processing for Voestalpine AG
Harshal L.
Last position:
SAP EWM Developer at Körber Supply Chain GmbH
- Experience in SAP EWM processes and ABAP development
- Configured PPF for output management in EWM and YM, worked with BOPF in TM and YM, configured Fiori Launchpad with roles, spaces, and pages, and developed UI5 applications
- Developed a Fiori Elements app using the List Report, Object Page, Overview Page, and Analytical List Page frameworks with CDS views, AMDP on BAS, created a RAP app, and a report for data transfer to external Oracle systems
Sascha J.
Last position:
Agile Coach & Partner at Agisolve GmbH – Pragmatic Agility® | Edler & Stiegler GmbH | CTN Consulting
- Create a product and service portfolio delivering a 360 degree approach to digital corporate sustainability covering KPI management, CSRD reporting and sustainable strategy
- Create vision and business case
- Onboard and align business partners, negotiate contracts
- Set up partner network as self-organized agile team
- Co-develop product and service portfolio
- Coordinate sales and marketing, go-to-market strategy and roadmap
Discover over 15,000 top freelancers
Statistics of experts using SAP RFC
Aggregated from the professional profiles of matched freelancers.
Experience
25 years

Position duration
1.7 years

Positions per freelancer
24

Top business areas
Information Technology, Project Management, Supply Chain Management

Top industries
Information Technology, Manufacturing, Professional Services

Certification focus areas
Information Technology, Project Management, Operations
Bachelor's degree or higher
87%
Master's degree or higher
52%
Doctorate
4%

Certifications per freelancer
3

Most common languages
German, English, French

Speak two or more languages
100%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Germany using SAP RFC
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
SAP RFC experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (88%)
- Manufacturing (76%)
- Professional Services (74%)
- Retail (68%)
- Automotive (65%)
- Transportation (65%)
- Healthcare (50%)
- Government and Administration (50%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
SAP RFC fundamentals
SAP RFC, or Remote Function Call, is SAP’s framework for invoking function modules in another SAP system or an external application. It supports structured communication between systems while handling destinations, authentication, data exchange and return messages. RFC-enabled function modules are commonly written in ABAP and exposed through defined interfaces.
Integration use cases
SAP RFC appears in landscapes that exchange master data, transactions and status information across SAP components or connected business systems.
- Connect SAP ERP or SAP S/4HANA with satellite applications
- Transfer customer, vendor, material and order data
- Trigger remote business processes from ABAP programs
- Support interfaces between development, quality and production systems
- Investigate failed calls, timeouts and inconsistent payloads
Ecosystem and tooling
Effective work with SAP RFC requires knowledge of ABAP function modules, RFC destinations in transaction SM59 and authorizations managed through SAP roles. Specialists may also work with SAP Gateway, IDocs, BAPIs, ALE, SAP Java Connector and .NET Connector, depending on the integration boundary. SAP Solution Manager, interface monitoring and application logs help trace technical and business errors.
When companies need support
Companies often bring in freelance expertise during SAP migrations, carve-outs, consolidations and the replacement of legacy interfaces. Support is also useful when a new application must exchange data with SAP without disrupting established business processes.
- Map an existing RFC interface before a system change
- Create or adapt RFC-enabled function modules
- Review authorization, destination and connection settings
- Stabilize integrations with monitoring and retry handling
Skills that matter
Strong professionals combine SAP integration knowledge with practical ABAP skills and a clear understanding of the connected business process. They can distinguish a network problem from an authorization issue, a function-module defect or a data-model mismatch. Experience with IDocs, BAPIs, web services, APIs and middleware helps when RFC is compared with alternative integration patterns.
Working with German teams
SAP RFC work can be handled remotely when system access, documentation, secure communication and test environments are available. On-site collaboration may help during cutovers, workshops or incidents involving several teams in Germany. Clear technical English is often useful, while German supports process discussions with local business and IT stakeholders.
Quality is visible in documented interfaces, controlled transports, least-privilege access and meaningful error handling. Before engaging a specialist, ask for examples of RFC troubleshooting, system integration decisions and handover documentation rather than focusing only on tool familiarity.
Frequently asked questions
Curious about SAP RFC? Here are the answers that come up again and again.
SAP RFC is used to call function modules across SAP systems or between SAP and external applications. It can exchange business data, start remote processes and support integrations around ERP and SAP S/4HANA landscapes.
SAP RFC is a communication mechanism, while BAPIs are standardized business interfaces often exposed through RFC. IDocs are asynchronous message structures, and modern APIs typically use HTTP-based protocols. The right choice depends on timing, decoupling, monitoring and the interface contract.
A strong SAP RFC specialist usually understands ABAP, function modules, SM59 destinations and SAP authorizations. Experience with IDocs, ALE, BAPIs, SAP Gateway, middleware, SAP Java Connector or .NET Connector is valuable when systems extend beyond the SAP core.
The scope of SAP RFC work determines the level of experience needed. A contained destination or function-module change may be suitable for a focused specialist, while a migration, high-volume integration or production incident calls for someone who can analyze architecture, security and operational risks.
SAP RFC projects can often be delivered remotely when secure access, test systems, logs and reliable contacts are available. On-site work in Germany can still be useful for cutovers, workshops and incidents involving sensitive system changes or several internal teams.
Ask how the SAP RFC professional diagnoses connection, authorization, payload and application errors. Review examples of interface documentation, transport discipline, monitoring, test coverage and handover practice. A good specialist explains trade-offs instead of treating every integration issue as a configuration task.
Common SAP RFC issues include unavailable destinations, expired credentials, missing authorizations, gateway or network failures and incompatible data structures. Timeouts and duplicate processing can also occur when retry logic and transaction handling are not designed carefully.
Before starting SAP RFC work, clarify the SAP release, connected systems, interface owner, access path, transport process and test data. Confirm whether the assignment covers ABAP changes, connectivity, monitoring or business-process analysis, because each area requires different preparation.
The average hourly rate of freelancers in Germany who have used SAP RFC in their recent projects is 108 €, which corresponds to a daily rate of about 867 € based on an 8-hour working day.
Of the freelancers in Germany who have used SAP RFC in their recent projects, 87% hold at least a Bachelor's degree, 52% hold at least a Master's degree, and 4% hold a doctorate.
On average, freelancers in Germany who have used SAP RFC in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 1.7 years.
The most common languages among freelancers in Germany who have used SAP RFC in their recent projects are German (100%), English (97%), and French (21%).
The most common industries among freelancers in Germany who have used SAP RFC in their recent projects are Information Technology (88%), Manufacturing (76%), and Professional Services (74%).
The most common business areas among freelancers in Germany who have used SAP RFC in their recent projects are Information Technology (100%), Project Management (65%), and Supply Chain Management (65%).
Main locations of FRATCH Experts, who have recently used SAP RFC
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
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