SAP Fiori Experts in Germany

Part-time assignment since 01.09.2026.

• Operational support for fixed asset and investment accounting
• Support with the accounting treatment of assets under construction
• Processing of related accounting transactions in SAP R/3

System: SAP R/3

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.

• Processing of a five-month backlog of incoming documents;
• Clarification of residual items and overdue open items;
• Review, reconciliation and clarification of accounting matters;
• Analysis of existing workflows and implementation of process improvements;
• Processing of accounting transactions in SAP FI and MM

• Developed critical specifications, navigating technical and business requirements.
• Led the project through its complex phases.
• Orchestrated and supported the Integration Testing Cycle (ITC) and User Acceptance Testing (UAT).
• Implemented robust test methodologies and systematically documented and addressed findings contributing to pre-GoLive readiness.
• Ensured flawless implementation and enabled effective trainer training.
• Conducted unit and functional tests.
• Facilitated alignment between development and business goals.
• Provided transparent progress reports and maintained documentation quality.
• Developed Fiori apps for inventory management and material staging status.

The consultant's responsibilities/actions are:

• Consulting on the migration of material master & PP Master data
• Prepare Article List template for Cutover Phase
• Implementation of data cleansing measures using individual and bulk changes
• SAP all mandatory fields data extraction regarding Business needed
• SAP migration, Cutover, Testing, BAT, UAT
• Align with the multiple Stakeholders regarding Data from Legacy and SAP System
• Deployed SAP MM best practice (guided configurations, active methodologies and road map for project initiation)

SAP ERP | SAP GEMINI | SAP Fields Coordination | Documentation | SAP IDoc | SAP Integration | SAP End-to-End Process | SAP MM (Material Management) | SAP Functional Consultant | SAP Gap analysis | SAP MDM (Master Data Management) | Data Migration & Management

To achieve savings and optimize compliance, apps were restructured in line with the mappings in identity management, restrictions were defined and, above all, costs resulting from overuse were reduced. Communication with stakeholders, validation of authorizations with users and technical implementation in the SAP FI/CO and Sourcing & Procurement modules created significant added value for the group. This also included the corresponding documentation for the auditors.

• Defined S/4HANA finance solution architecture and led full project lifecycle — Blueprint through Hypercare — for global rollout.
• Designed global finance templates and COPA characteristics, harmonizing financial reporting across business units.
• Implemented role-based authorizations, SOD controls, and master data governance; managed provisioning and training for 200+ users.
• Coordinated cross-module integrations (MM, SD, PP) and third-party systems (Salesforce, SAP DRC, E-Invoicing), reducing month-end close from 5 days to 2 days.
• Prepared functional specifications, supported ABAP development, and drove problem management practices that reduced recurring incidents.

• Support for the SAP “Sourcing & Procurement” modules as part of the “S/4HANA Brownfield” project rollout for the entire company
• Analysis, design and organization of IT-supported business processes
• Further development of SAP MM in ECC 6.0 into S/4HANA, from requirements and process analysis through design to implementation (customizing, programming)
• Optimization and documentation of business processes and applications
• Responsible implementation of the S/4HANA rollout as an external consultant
• Independent performance of problem analyses and their resolution
• Definition of change requests and their implementation/testing in cooperation with internal key users and process owners
• Support for SAP key users in Germany, Austria and Switzerland
• Training and support for users in connection with the rollout

• Developed cloud-native enterprise applications on SAP Business Technology Platform using Node.js, SAP UI5, and RESTful APIs, delivering solutions across training management, procurement, employee information, and logistics domains
• Served as the primary developer for the maintenance, enhancement, and production support of three enterprise applications, delivering new features, resolving production issues, and coordinating releases with business stakeholders
• Experienced in leveraging AI-assisted development tools such as Microsoft Copilot to accelerate feature development, generate code, prototype solutions, and support application migration and modernization
• Designed backend services, domain models, and SAP Fiori/UI5 interfaces, implementing business workflows, role-based access control, validations, scheduling, reporting, and data import/export capabilities
• Designed and integrated enterprise services with SAP SuccessFactors, SailPoint, ERP systems, and external Learning Management APIs, including automated synchronization for 11,000+ user data
• Designed and implemented AMQP-based event-driven services processing up to 500 RFID parcel scan events per day for a logistics application
• Managed deployments and application operations using CI/CD pipelines, SAP Solution Manager, SAP BTP Cockpit, Kibana, and cloud monitoring tools, performing root-cause analysis and resolving production incidents
• Managed application dependencies by resolving npm package version conflicts and remediating critical and high-severity security vulnerabilities, ensuring production compliance and application stability
• Collaborated with architects, business users, SAP governance teams, and distributed Agile teams throughout technical design, code reviews, sprint planning, documentation, and software delivery

• Production master data: bill of material, work center, routing and production version, customizing, FIORI
• Optimization and organization of production
• gATP and aATP training
• Classical MRP, pMRP and MRP Live
• Various planning strategies in PP
• Workflow and MDM tables and fields
• Metadata in SAP, fields and their mapping
• Creation of metadata in Excel
• LSMW basics: data cleansing with Excel + deduplication
• LTOM or Migration Cockpit
• Training in APO, later as ePP/DS master data, heuristics and optimizer CIF integration models
• Production orders and capacity planning, reconciliation and evaluation
• Net requirements calculation, lot sizes and pegging, detailed planning board, product view in PP/DS
• KUT test or migration test
• Digitization of maintenance plans, orders, checklist documents
• Technical objects, equipment, bills of material and their customizing
• Measuring points and serial numbers customizing
• Work and maintenance planning, cycles and different dimensions

• Project Argo: SAP BW/4 Hana Project Lead, Program and Application Manager, SAP BW/4 Hana Consultant, Architect and Developer.
• Migration of FI data models from SAP BW 7.x to BW/4 Hana.
• Review and implementation of the user and authorization concept.
• SAP S/4 Hana, SAP Basis, SAP BW/4 Hana data modeling and use of the SAP BW Migration Workbench.
• Use of Business Content, BAPI, BW/4 Hana, Hana Studio, HANA Views, Analytical Views, virtual tables and Hana Native SQL.
• Work with ADSO, Open ODS Views, Composite Provider, Hybrid Provider, SAP Solution Manager, Query Designer, Analysis for Office, Lumira and Fiori.
• Use of SAP SAC (Stories, Data Models, Data Analyzer, CDS Views), as well as application management and monitoring of process chains and load jobs.

• Responsible as architect for the entire Service Cloud
• Technical translation of business requirements into User Stories
• Technical design of service processes (After Sales, Complaint, Return Order, Email-to-Case, Case Routing, Sharing)
• Designed and implemented data models for service processes
• Bidirectional integration with SAP S/4HANA for service processes
• Solution Design Reviews across the entire team (Service & Sales)
• Functional leadership of consultants in the sprints, support for junior consultants
• Deployment with Git and SFDX (CI/CD), training of juniors (Naming Conventions, Quality Gate, Flows)
• Support and consulting for administrators (Security, Releases, Bugs)
• Key-user training for rollout countries (Switzerland, Sweden)
• Development of LWC, Flows (Screen, Record-Triggered, Platform Event), APEX Callouts, Batch Jobs
• Proof of Concepts (Knowledge Base, Entitlement, Omnichannel)
• Test setup, execution, and bug analysis of implementations

Scope: Embedded as FP&A Data & AI Architect within the Finance function of a major European refrigeration manufacturer, leading the transformation of manual, fragmented financial reporting into an automated, governance-driven intelligence platform. Driving the shift from Excel-based controlling to structured data architecture, Power BI analytics, and AI-assisted financial operations.

Financial Data Integrity & ERP Governance

• Initiated and led GL vs. subledger reconciliation investigations, identifying and resolving structural mismatches between General Ledger and subledger data that had gone undetected prior to engagement
• Conducted asset analysis to identify items missing from General Ledger postings, surfacing gaps in fixed asset tracking and period-end completeness
• Validated SAP reports, establishing baseline data quality standards for Finance team consumption
• Established systematic SAP data validation framework ensuring ongoing integrity between ERP postings and downstream reporting outputs

Finance Reporting Transformation

• Designed and implemented a structured Transformation Project approach for converting manual Finance reports into fully automated processes
• Created and owns the Data Reporting Audit Log; a centralized tracking system capturing report owners, stakeholders, data sources, manual effort estimates, and automation opportunity scores across the Finance function
• Mapped the full reporting landscape identifying quick-win automation targets and strategic Power BI migration candidates
• Actively reducing manual Excel and PowerPoint dependency across FP&A workflows; replacing point-in-time snapshots with live, governed data models

Power BI & Analytics Enablement

• Introduced and presented Power BI as the strategic reporting platform to Finance leadership, building internal buy-in for the BI transformation roadmap
• Designed initial Power BI architecture aligned with SAP, Salesforce and Oracle data structures and FP&A reporting requirements
• Established report ownership, governance documentation, and data lineage standards enabling sustainable self-service analytics across the Finance team

Transformation Infrastructure & Collaboration

• Configured and deployed Jira as the transformation project management hub, establishing structured sprint workflows, backlog management, and progress visibility for Finance IT initiatives
• Proposed and initiated a dedicated FP&A Communication & Transformation Hub, a structured cross-functional forum aligning Finance, IT, and business stakeholders around the reporting transformation roadmap
• Positioned the Finance function as an active driver of data governance and digital transformation within the broader organization

Outcomes

• GL/subledger reconciliation gaps identified and investigation framework established within first two weeks of engagement
• Data Reporting Audit Log deployed; first structured inventory of Finance reporting landscape in company history
• Power BI transformation roadmap presented and approved by Finance leadership
• Jira-based project governance live; Finance transformation now tracked with full sprint visibility

Technologies: SAP FI/CO · Power BI · DAX · SQL · Excel (advanced) · Power Query (M) · Power Automate · VBA · Jira · Microsoft 365 · SharePoint · Salesforce (Sales Data) · Oracle HCM · Python

• Responsible for the end-to-end application and integration architecture for the S-Bahn Hamburg maintenance digitalisation program. A highlight is the introduction of robots and permanently installed camera gates to automate vehicle inspections, allowing AI image algorithms to assess the condition of trains during operation.
• Deutsche Bahn has one of the largest SAP PM implementations in the world, which is a central component of this digitalisation.