Freelance SAP Mobile Developer / Technical Consultant – SAP S/4HANA, Fiori/UI5, SSAM & MDK

Project overview

For a long-term SAP transformation project, we are looking for an experienced SAP Mobile Developer / Technical Consultant with in-depth knowledge of SAP S/4HANA, SAP Fiori/UI5, and mobile SAP applications.

The project is part of a group-wide program to standardize and modernize the SAP system landscape and associated business processes.

The focus is on the technical conception, development, adaptation, and integration of SAP solutions for the maintenance of rail vehicles and components.

A key focus is the further development of mobile maintenance processes using SAP BTP Mobile Services, SAP Service and Asset Manager (SSAM), SAP Mobile Development Kit (MDK), and integration into SAP S/4HANA.

Furthermore, the project includes Fiori/Launchpad solutions, resource and scheduling with SAP MRS, and the migration and adaptation of existing applications.

Tasks and Responsibilities

SAP S/4HANA and Maintenance Processes

SAP Fiori / UI5 and Launchpad

SAP Mobile Solutions / BTP / SSAM

SAP MRS and Authorization Management

Testing, Deployment, and Documentation

Professional Requirements

For the project, we are looking for a technically proficient SAP specialist with the following knowledge and experience:

Language Skills

Framework Conditions

Interested?

If you have relevant practical project experience and are available soon, we look forward to hearing from you.

• Analysis of business and technical requirements from SAP Plant Maintenance (PM) and Customer Service (CS).
• Creation of documented business-technical assessments and solution designs for mobile maintenance processes.
• Migration and adaptation of defined SAP applications to SAP S/4HANA.
• Execution and documentation of impact analyses related to S/4HANA changes.
• Development, adaptation, and configuration of SAP Fiori / UI5 components.
• Setup and configuration of Fiori catalogs, target mappings, spaces, and pages.
• Implementation and adaptation of role assignments within the SAP Fiori / Launchpad environment.
• Development and adaptation of mobile SAP applications based on SAP BTP Mobile Services.
• Creation, extension, and adaptation of components for SAP Service and Asset Manager (SSAM) and SAP Mobile Development Kit (MDK).
• Development and adaptation of associated OData interfaces and data models.
• Integration of mobile applications into existing SAP PM/CS processes.
• Configuration of SAP Multiresource Scheduling (MRS) for scheduling and resource planning.
• Implementation and documentation of integration points between SAP MRS and SAP PM/CS.
• Creation and adaptation of technical authorization concepts.
• Configuration of Business Catalogs, Business Roles, PFCG roles, and IAM apps.
• Analysis and resolution of defined software errors, including documentation and re-testing.
• Creation, execution, and documentation of unit, integration, and regression tests.
• Creation of business and technical concepts.
• Preparation and provision of transport, deployment, and release artifacts.
• Creation of complete technical handover and acceptance documentation.
• Presentation and handover of completed work results according to agreed acceptance criteria.
• In-depth practical experience with SAP S/4HANA, especially in the context of SAP PM/CS and maintenance processes.
• Experience in the development and configuration of SAP Fiori and SAP UI5.
• Practical knowledge of SAP BTP Mobile Services and mobile SAP applications.
• Experience with SAP Service and Asset Manager (SSAM) and SAP Mobile Development Kit (MDK).
• Knowledge in the development and integration of OData interfaces and associated data models.
• Experience with the configuration of SAP Fiori Launchpad, Business Catalogs, Target Mappings, Spaces, and Pages.
• Knowledge of SAP MRS, including integration with SAP PM/CS.
• Experience with SAP authorization concepts, Business Roles, PFCG, and IAM apps.
• Experience in the technical analysis and implementation of SAP S/4HANA migrations and adaptations.
• Knowledge in conducting and documenting software tests and error analyses.
• Experience with SAP transport management, deployment, and release processes.
• Ability to independently create technical concepts, solution designs, and handover documentation.
• German: Native speaker (as per project requirement)
• English: C1
• Start: 01.12.2026
• Duration: until 31.12.2027
• Utilization: 40 hours per week
• Location: Frankfurt am Main
• Remote: possible, specific portion to be agreed upon
• Project volume: 1,672 hours according to current planning
• Contract type: Freelance project participation

Project details

We look forward to your response.

• Availability
• Remote and on-site hourly rate
• Relevant project references, especially for SAP SSAM, MDK, Fiori/UI5, and SAP PM/CS
• Start: 2026-12
• Duration: 13 Monate
• Remote: hybrid
• Location: Frankfurt am Main, Deutschland, DE
• Languages: German, English