SAP Gateway Experts in Germany
for secure SAP integrations, matched in minutes with vetted specialistsWork with specialists who expose SAP business data through OData services, connect SAP ERP or S/4HANA with web and mobile applications, and support Fiori landscapes. FRATCH matches you quickly with vetted, available freelancers who fit your project precisely.
Meet FRATCH Experts in Germany, who have recently used SAP Gateway
Egon M.
Last position:
SAP S/4HANA Integration Consultant – MES / Siemens Opcenter Integration at Metso Corporation
- Supported an integration project between SAP S/4HANA and a MES / Siemens Opcenter system via Azure Middleware.
- Responsible for SAP-side analysis, mapping and provisioning of relevant data objects such as material master data, production orders and process orders using SAP standard APIs and OData services.
- SAP-side mapping for Material Master, Production Orders and Process Orders
- Usage of API_PRODUCT, API_PRODUCTION_ORDER_2_SRV and API_PROCESS_ORDER_2_SRV
- Consideration of SAP S/4HANA Advanced Available-to-Promise for order confirmation, production availability and downstream MES execution
- Support for SAP Gateway and OData service topics
- Interface coordination between SAP S/4HANA, Azure Middleware and MES / Siemens Opcenter
- Support for testing, monitoring and error analysis
- Worked with BTC Cockpit and Deloitte ASADEV Tool
Eyüp Z.
Last position:
IT Project Manager for Real Estate IT at BNP Paribas Real Estate
- Responsibility for the specialist department
- Effective stakeholder management
- Management and prioritization of the backlog
- Resource and capacity planning
- Risk management
- Cost calculation and budget control
- Compliance with security guidelines and data protection regulations in a high-security environment (Bank regulations)
- Creation and monitoring of project timelines
- Planning and execution of workshops as well as the creation of user manuals
- Development and coordination of architecture maps with service providers and internal IT
- Creation and tracking of milestone plans
- Recording, analysis, and documentation of defects, including retesting until final approval for launch
- Coordination and execution of penetration tests
- Organization and management of User Acceptance Tests (UAT)
- Definition of Go / No-Go criteria for the launch
- Collaboration and organization of multinational teams
Hüseyin K.
Last position:
Senior Full-Stack Engineer at DVAG
Architecture and implementation of a fully digitalized closing flow for managing securities contracts within the DVAG infrastructure. The platform aims for maximum user-friendliness, modular extensibility and compliant handling of sensitive data.
Implementation of a reactive UI structure with a focus on user guidance & accessibility.
Dynamic control of form and closing processes including validation logic.
Reactive state management via SignalStore (signals + selective effects).
UX optimization through adaptive components and Playwright-based UI tests.
Backend modularization to connect existing sales and contract logic.
API stability and DTO design according to Clean Architecture principles.
Collaboration with domain teams to define technical contracts and service boundaries.
Management with GitHub.
Unit tests with Jest, E2E tests with Playwright.
Code reviews, CI-integrated test execution, iterative refactorings.
Ensuring high coverage and UI stability in the closing flow.
Technologies: Angular 18, RxJS, SignalStore, HTML5, SCSS, Spring Boot, Kotlin, REST, OAuth2, Jest, Playwright, Clean Architecture.
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
Beserithan M.
Last position:
SD Development and CRM Interaction Center Development at Sanner GmbH
- Part-time 2-3 days/week
- Developments in the SD module and CRM Interaction Center
- Consulting, customizing in SD module
- Adapting Fiori applications in the SD module
- Approval workflow for credit memos: design, concept, implementation, customizing
- Credit memo request: object type BUS 2094
- If the credit memo request value is below a certain threshold -> automatic release and removal of billing block
- If the credit memo request value is above a certain threshold -> automatic determination of the responsible employee
- The employee receives a work item in their integrated inbox or in My Inbox (Fiori) -> the employee can reject, approve, or edit the credit memo request
- UML modeling in technical documentation
- Creating a Z-table for customer sample line items
- Merging COA1 (delivery) + COA2 (CAQ) forms and adding to the spool request as a single PDF
- Correcting workflow title according to NACE, fixing message "ZBMA title is displayed incorrectly in SBWP (Workplace)"
- Receiving PLM documents from an external PLM system, creating an RFC function module, storing PLM documents in the material master as GOS objects
- On releasing a production order, reading PLM documents from MM and saving them in a shared folder for the MES system
- Displaying the number of inspection methods in a popup when creating an order -> VA01/VA02
- Automatic stock reconciliation LVS IDOC INVCON
- Performing AQUA tests
- IDOC archiving for old IDOCs
- NL_PM_drawings and storing print output, informing MES via ZPPORDER IDOC, writing technical documents
- Using SD user exits, BADIs for various requirements
- Extending screens for customer requests via screen exits
- Creating message types for sales orders, purchase orders, and invoices
- Extending CRM Interaction Center Business Partner -> Overview -> Contract with customer-specific requirements
- New Fiori application departure control with data from Z-table and standard equipment tables, displaying a pie chart, calculating "vehicles in operation"
- Extending Interaction Center Business Partner -> Overview -> new tab on Overview Page with list tables for performance feedback, attachments from GOS objects
- Extending Interaction Center Business Partner -> Overview -> new tab on Overview Page with list tables for PM quality notifications, attachments from GOS objects
- Implementing BADIs in CRM
- File storage on SAP server/UNIX server
- Using BOL/GENIL architecture in CRM development
- Project language: German
Jan S.
Last position:
Team member: SAP IS-U at Flensburg
- MaKo enhancements and fixes in SAP IS-U.
- Work in DM Device Management.
Florian S.
Last position:
ABAP/4 and 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 with ABAP OO
- Use of SAP HANA Studio, AIF, SAP Solution Manager, Confluence and Jira
- Environment: SAP S/4HANA on Premise 2020
Niklas P.
Last position:
SAP EWM Consultant at WEGEMANN automotive GmbH
- Planning, coordinating, and carrying out testing activities in SAP S/4HANA EWM
- Recording, documenting, and providing advice on occurring defects/tickets
- Communicating and coordinating with key users in the area of warehouse processes
- Supporting key users during testing, with a focus on training
- Supporting the analysis of test results
Gopal K.
Last position:
SAP ABAP & Cloud Architect at parasus GmbH
- Concept and re-implementation of customer application over cloud and make the source code cloud ready
- Re-designing and putting a new architecture to overcome all the Team Scale findings and push ABAP code to ABAP cloud
- Converted the existing custom application code to ABAP cloud code and used ABAP Clean code guidelines
- Create a dynamic framework to call old vs new implementation from a Table maintenance to validate both implementations
- Utilized Key User Extensibility to seamlessly integrate multiple custom fields into a standard Fiori application, enhancing both the front-end and back-end GUI
Dariusz C.
Last position:
SAP Senior Consultant at Pro3Con GmbH
Discover over 15,000 top freelancers
Statistics of experts using SAP Gateway
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
1.5 years
Positions per freelancer
21
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Automotive, Manufacturing
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100%
Master's degree or higher
67%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using SAP Gateway
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
SAP Gateway 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 (80%)
- Automotive (70%)
- Manufacturing (60%)
- Transportation (50%)
- Professional Services (50%)
- Retail (50%)
- Banking and Finance (40%)
- Healthcare (40%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
SAP integration layer
SAP Gateway is SAP’s framework for exposing business data and processes through OData services. It connects SAP ERP, SAP S/4HANA and other SAP systems with browser applications, mobile solutions and external services. The technology supports structured, controlled access without requiring every consuming application to understand SAP’s internal interfaces.
OData services
Professionals use SAP Gateway to design, build and maintain OData services. Typical work includes defining entity models, implementing data providers, handling queries and updates, and setting up service registration. Strong service design keeps payloads clear, performance predictable and authorization boundaries explicit.
Fiori ecosystem
SAP Gateway is closely tied to SAP Fiori and SAPUI5, where OData services provide the business data behind responsive applications. Its surrounding ecosystem can include:
- SAP S/4HANA and SAP Business Suite integrations
- SAP Fiori launchpad and SAPUI5 applications
- SAP Business Application Studio and SAP Web IDE tooling
- SAP Cloud Connector for controlled hybrid connectivity
- SAP API Management and identity services
Typical project needs
Companies bring in freelance expertise when an integration landscape needs delivery capacity, modernization or specialist troubleshooting. Common assignments include migrating services toward S/4HANA, exposing custom ABAP business logic, improving slow OData endpoints and connecting SAP data to customer-facing applications. In Germany, specialists may support regulated industrial, logistics, retail and public-sector environments while coordinating remotely or on site with internal teams.
When expertise matters
A company may need SAP Gateway support when Fiori applications return inconsistent data, services fail under realistic loads or authorizations are difficult to trace. Freelance specialists can review service models, identify bottlenecks, document interfaces and establish testing practices. They also help teams manage transport paths, system aliases, caching, error handling and dependencies across development, quality and production systems.
Strong professional profile
Effective SAP Gateway professionals combine ABAP knowledge with OData design, SAP authorization concepts and practical integration experience. They understand metadata, filtering, expansion, batching and version compatibility, rather than treating the service as a simple endpoint. Clear documentation, reproducible testing and careful communication with functional stakeholders distinguish reliable delivery from a short-term workaround.
Frequently asked questions
Everything clients usually want to know about SAP Gateway, in one place.
SAP Gateway is used to expose SAP business data and actions through OData services. These services support SAP Fiori and SAPUI5 applications, mobile interfaces, portals and integrations with external systems.
SAP Gateway primarily exposes and consumes data close to SAP business systems, often through OData. SAP Integration Suite is broader and focuses on cloud integration, API management and connecting many different applications, so the two technologies can complement each other rather than replace one another.
A strong SAP Gateway specialist usually understands ABAP, OData, SAP Fiori, SAPUI5 and SAP authorization concepts. Experience with S/4HANA, SAP Cloud Connector, API Management, debugging and transport management is also valuable.
The right level depends on the assignment. A small service adjustment may need focused OData and ABAP knowledge, while an S/4HANA migration or complex Fiori rollout calls for a professional who has handled service design, security, performance and multi-system deployment.
Much of the work with SAP Gateway can be completed remotely, including service design, coding, testing and documentation. On-site sessions may still help with workshops, access constraints, production cutovers or collaboration with German-speaking business and IT teams.
Ask for concrete examples of OData services, Fiori integrations and production troubleshooting. A capable SAP Gateway professional should explain authorization, error handling, performance testing and deployment decisions clearly, not only list SAP products.
Yes, SAP Gateway can expose custom ABAP logic through tailored OData services. The implementation should preserve business rules, validate input, apply suitable authorization checks and return a consistent service model for consuming applications.
Common risks include poorly modelled entities, excessive data expansion, unclear system aliases, missing authorization checks and weak error handling. SAP Gateway projects also suffer when service contracts are not tested with realistic data volumes or when transports between SAP systems are not controlled.
The average hourly rate of freelancers in Germany who have used SAP Gateway in their recent projects is 96 €, which corresponds to a daily rate of about 764 € based on an 8-hour working day.
Of the freelancers in Germany who have used SAP Gateway in their recent projects, 100% hold at least a Bachelor's degree and 67% hold at least a Master's degree.
On average, freelancers in Germany who have used SAP Gateway in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 1.5 years.
The most common languages among freelancers in Germany who have used SAP Gateway in their recent projects are German (100%), English (100%), and Spanish (20%).
The most common industries among freelancers in Germany who have used SAP Gateway in their recent projects are Information Technology (80%), Automotive (70%), and Manufacturing (60%).
The most common business areas among freelancers in Germany who have used SAP Gateway in their recent projects are Information Technology (100%), Product Development (60%), and Project Management (60%).
Main locations of FRATCH Experts, who have recently used SAP Gateway
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.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
