SAP Gateway Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used SAP Gateway
Egon Maier
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
Markus Jarasch
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
Hüseyin Korkut
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.
Eyüp Zengin
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
Beserithan Malabakan
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 Safranek
Last position:
Team member: SAP IS-U at Flensburg
- MaKo enhancements and fixes in SAP IS-U.
- Work in DM Device Management.
Florian Strasser
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
Gopal Khandelwal
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 Cok
Last position:
SAP Senior Consultant at Pro3Con GmbH
Niklas Prösdorf
Last position:
SAP EWM Consultant at WEGEMANN automotive GmbH
- Planning, coordinating and executing test activities in SAP S/4HANA EWM
- Recording, documenting and advising on defects/tickets
- Communicating and coordinating with key users in warehouse processes
- Training support for key users during tests
- Assisting in analyzing test results
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 30 Aug 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What SAP Gateway does
SAP Gateway connects SAP systems to external clients through OData services. It is used to expose business data and actions to SAP Fiori, web apps, and other front ends without copying logic into every channel. Strong work here keeps services stable, secure, and easy to consume.
Typical delivery work
- OData service design and implementation
- SAP Fiori back-end integration
- Service registration, testing, and troubleshooting
- API exposure for SAP and non-SAP consumers
- Authorization and error handling in service flows
Ecosystem and skills
Good SAP Gateway specialists work with ABAP, OData, SAP NetWeaver Gateway, and the broader SAP ECC or S/4HANA landscape. They understand entity sets, associations, filters, batching, and annotations. Many also know how Gateway fits with CDS views and newer SAP integration patterns.
When companies bring in help
Companies usually need outside expertise when a service is slow, unstable, or hard to extend. In Germany, this often comes up during Fiori rollouts, ERP modernization, or interface cleanup between SAP and local business systems. Freelancers can step in for design, rescue work, or short implementation bursts.
What strong specialists deliver
A strong SAP Gateway professional writes clear service contracts and keeps the back end tidy. They know how to debug payloads, trace calls, and separate UI needs from business logic. They also document what was built so the next change is not guesswork.
Signs you need a specialist
- Fiori apps cannot read or update the right data
- OData responses are inconsistent or slow
- Existing services are hard to maintain
- Gateway setup or authorization blocks delivery
- The team needs help with upgrades or refactoring
Frequently asked questions
Everything clients usually want to know about SAP Gateway, in one place.
SAP Gateway is used to expose SAP data and business actions as OData services. That makes it easier to connect SAP back ends to SAP Fiori, custom web apps, and other consumers without building separate access logic for each one. In many projects it becomes the service layer between the SAP system and the front end.
SAP Gateway is not the same thing as OData, but the two are closely linked. Gateway is the SAP component that publishes and handles OData services in many SAP landscapes. When people ask for OData work, they often mean Gateway service design, debugging, or extension.
SAP Gateway is for exposing SAP business data and actions through APIs, especially OData. SAP PI/PO and SAP CPI focus more on integration flows between systems, transformations, and message routing. A project may use Gateway for the service layer and PI/PO or CPI for broader system-to-system integration.
A strong SAP Gateway specialist usually knows ABAP, OData, and the SAP Fiori stack. Helpful extras include CDS views, authorization concepts, debugging with traces, and basic SAP integration know-how. If the service touches legacy data or complex back-end logic, deep ABAP skill matters a lot.
A SAP Gateway project can start with a focused specialist if the scope is limited to one service or a small set of APIs. Larger work, such as a Fiori program with many services, needs someone who has handled design, performance, and troubleshooting before. The key is not the label but whether the person has shipped similar service work.
Yes, SAP Gateway work is often done remotely, especially for service design, debugging, and documentation. On-site time can still help during workshops, cutovers, or when access to internal SAP systems is tightly controlled. Many teams in Germany use a mixed setup with remote delivery and a few in-person checkpoints.
A good SAP Gateway professional leaves behind services that are clean, testable, and easy to extend. Look for clear naming, correct OData behavior, solid error handling, and careful authorization checks. Good documentation and a short path from requirement to working service are strong signs too.
Before hiring for SAP Gateway, companies usually want to know whether the work is new service design, a fix for an existing issue, or support for a Fiori rollout. They also ask which SAP release is involved, what the service must expose, and whether ABAP changes are allowed. Those details shape the kind of specialist they need.
The average hourly rate of freelancers in Germany who have used SAP Gateway in their recent projects is 95 €, 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
