SAP Gateway Experts in Germany
matched in minutes by AIHire experts who expose SAP business data through OData, connect SAP ERP and S/4HANA with modern applications, and secure reliable integrations. FRATCH matches you quickly with vetted, available freelancers who fit your technical needs.
Meet FRATCH Experts in Germany, who have recently used SAP Gateway
Bora D.
Last position:
Software Architect at DZ HYP AG
- Lead architect for an enterprise loan digitisation programme, coordinating 12 engineers across five workstreams and serving as final technical authority on system design.
- Cut critical application response times by 68% (display 17.3s → 5.6s; modification 11.8s → 5.0s) through targeted caching, OData query optimisation and lazy-loading refactoring; further optimisation in progress.
- Own production error triage, prioritisation and resolution across a multi-application portfolio supporting live lending operations.
- Design and implement SAP Fiori applications on SAP UI5, TypeScript and RAP, owning delivery from architecture and code through rollout and production support.
- Established C4 architecture documentation and decision records for the full programme, enabling faster onboarding and consistent cross-workstream design governance.
- Co-managed S/4HANA release cycle alongside primary responsibilities, coordinating directly with SAP support to resolve critical system issues across the portfolio.
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
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.
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
21 years
Position duration
1.6 years
Positions per freelancer
20
Top business areas
Information Technology, Product Development, Business Intelligence
Top industries
Information Technology, Automotive, Transportation
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100%
Master's degree or higher
57%
Certifications per freelancer
2
Most common languages
German, English, Spanish
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 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 29 Oct 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 (82%)
- Automotive (73%)
- Transportation (55%)
- Manufacturing (55%)
- Banking and Finance (45%)
- Healthcare (45%)
- Professional Services (45%)
- Retail (45%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What SAP Gateway does
SAP Gateway is SAP’s framework for exposing business data and processes through OData services. It connects SAP systems such as SAP ERP and SAP S/4HANA with web applications, mobile apps, portals and external services. The technology turns SAP business objects into interfaces that modern clients can consume without direct database access.
Core service work
Experts design, build and maintain OData services for purchasing, sales, finance, inventory, maintenance and human resources scenarios. They model entities, associations and operations, then implement the required business logic in the SAP backend. Strong work also covers service registration, metadata, error handling, filtering, paging and performance.
Ecosystem and tooling
SAP Gateway commonly works with ABAP, SAP Business Suite, SAP S/4HANA, SAPUI5, Fiori and SAP Business Technology Platform. Professionals may use the Service Builder, Gateway Client, SAP Gateway hub or embedded deployment, alongside transport management and authorisation tools.
- Define OData service models and entity relationships
- Implement and test backend logic in ABAP
- Connect Fiori applications and external consumers
- Configure roles, authorisations and system aliases
When companies need expertise
Freelance specialists are useful when a company has a new Fiori or mobile initiative, needs to open legacy SAP processes to other systems, or must replace fragile point-to-point interfaces. They can also support migrations to S/4HANA, service remediation, upgrades and performance improvements. In Germany, collaboration may involve local SAP teams, manufacturing operations or regulated business environments, with remote delivery often combined with on-site workshops.
What strong professionals deliver
A capable SAP Gateway professional understands both the integration contract and the SAP process behind it. They clarify consumer requirements, choose suitable OData patterns and keep custom code maintainable across transports and system landscapes. They also document dependencies, test realistic business cases and protect sensitive data through precise authorisations.
How to assess fit
Review examples of services delivered from design through production support, not only isolated configuration tasks. Ask how the specialist handles versioning, batch requests, failed updates, caching and changes to backend structures. Relevant experience with ABAP, Fiori, SAPUI5, authorisation concepts and enterprise integration is a strong sign of practical SAP Gateway expertise.
Frequently asked questions
Everything clients usually want to know about SAP Gateway, in one place.
SAP Gateway exposes SAP business data and actions as OData services. Companies use it to connect SAP ERP or S/4HANA with Fiori apps, mobile applications, portals, analytics tools and external systems.
SAP Gateway provides a governed service layer around SAP business logic instead of letting applications read tables directly. Compared with fully custom APIs, it offers SAP-specific tooling and OData conventions, while still requiring careful design for security and performance.
A strong SAP Gateway specialist usually understands ABAP, OData, SAPUI5, Fiori, SAP S/4HANA and authorisation design. Experience with SAP Business Technology Platform, integration monitoring and transport management is also useful for larger landscapes.
The right level depends on the scope. A small service extension may need focused OData and ABAP expertise, while a complex rollout benefits from someone who has handled service modelling, backend changes, security, testing and production support across connected SAP systems.
SAP Gateway work is often suitable for remote collaboration because configuration, coding and testing can be performed through controlled system access. On-site workshops may still help when teams need to map business processes, coordinate with infrastructure groups or work in environments with strict access rules.
Ask for concrete examples of OData services that reached production and discuss the specialist’s role in design, implementation and support. Check their approach to authorisations, error handling, automated testing, documentation and performance rather than relying on technology keywords alone.
SAP Gateway can serve both SAP ERP and SAP S/4HANA landscapes, although the available business services and recommended patterns differ. A specialist should understand the source system, deployment model and whether standard services can be used before proposing custom extensions.
Typical issues include incomplete service models, incorrect authorisations, weak error messages, slow queries and assumptions about backend data structures. An experienced SAP NetWeaver Gateway professional identifies these risks early and tests the service with realistic volumes and consumer behaviour.
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 765 € 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 57% hold at least a Master's degree.
On average, freelancers in Germany who have used SAP Gateway in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 1.6 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 (27%).
The most common industries among freelancers in Germany who have used SAP Gateway in their recent projects are Information Technology (82%), Automotive (73%), and Transportation (55%).
The most common business areas among freelancers in Germany who have used SAP Gateway in their recent projects are Information Technology (100%), Product Development (64%), and Business Intelligence (55%).
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
