Matthias (Dr.) Oehme-Freelance Collaboration
Check rate
Experience
Freelance Collaboration
Etengo (for Syna AG)
Consulting in the SAP EAM module as part of the migration to EON's oneERP S/4HANA system
Reviewing and cost estimation of customer-developed solutions (e.g., cockpit for EAM orders, document flow visualization)
Preparing EAM classification data for technical objects (technical locations, equipment) for migration to new classes
Freelance Collaboration
SThree (for Aareon GmbH)
Delivery of SAP ABAP software to various Aareon clients in the real estate sector
Adapting heating cost billing to comply with the HKVO heating costs ordinance
Supporting clients on S/4HANA and earlier releases
Freelance Collaboration
Hays (for Natuvion GmbH at Sachsenenergie)
Organizing complex data transformations and migrations from two SAP ECC systems into an S/4HANA system
Using the PM, MM, and FI modules
Participant in SAP topic seminars
Open.sap.com
SAP PLM in process industry (with exams)
Espresso Tutorials: Authorization (Fiori apps, transactions); Fiori apps error handling; CDS views; SAP EAM PM; SAP Build (apps)
Participant in SAP topic seminars
Open.sap.com
Adapting UI in S/4HANA Cloud using Screen Personas (with exams)
Blockchain technology – introduction and use in business and other areas (with exams)
Insights into selected logistics innovations in SAP S/4HANA (with exams)
New Employee Business Partner model in SAP S/4HANA (with exams)
Freelance Collaboration
CSE Consulting GmbH
Consulting on SAP MM purchasing: Fiori apps for purchase requisitions
Interface concept: transferring material data from external systems and assigning EAN numbers
Freelance Collaboration
iPAXX AG (for Aareon Germany GmbH)
SAP ERP BK01 area for Aareal Bank's payment management
Data exchange and processing of payment requests between SAP ERP systems, AEPP, and customer apps (CRM) via Swagger data portal (OpenAPI) based on HTTP protocols
Participant in SAP topic seminar
Open.sap.com
- Developing and extending SAP Fiori Elements apps (with exams)
Participant in SAP topic seminar
Open.sap.com
- Key functional topics in a system conversion to SAP S/4HANA (with exams)
Freelance Collaboration
ECBM AG (for ONYX POWER)
Data migration in SAP modules PM and MM into a MAXIMO IT system and into an SAP Business ByDesign system
Using agile project strategies and interface connections between both systems
Participant in SAP Topic Seminars
Open.sap.com
SAP S/4 HANA Migration Cockpit (with exams)
SAP Fiori Overview Design, Develop and Deploy (with exams)
Building Apps with the ABAP RESTful Application Programming Model (with exams)
SAP Learning Hub Trainings: HA400 ABAP S4/HANA; D75AW ABAP DELTA to 751; S4D430 CDS-Views; S4D440 Customer Code Adaption to ABAP S4/HANA; SAP Fiori UX100 Fiori Foundation
Freelance Work
HAYS AG (for Syna GmbH)
Creating OData services in the PM area (ABAP OO 7.50)
Developing CDS views and JSON formats for the MIA app frontend
Agile project strategies: Bidirectional data exchange between the frontend and the SAP backend
SAP Training Participant
HAYS AG
- GW100 SAP Gateway – Creating OData services
SAP Training Participant
HAYS AG
- HA400 ABAP Programming for SAP HANA
Freelance Work
HAYS AG (for Vattenfall Europe Information Services GmbH)
Migration of PM data, MM material master data, QM notifications, PP bills of materials, PP routings, and technical locations as part of a carve-out
Using ABAP OO, BAPIs, RFC function modules, LSMWs
Complex ABAP OO programming for a service provider portal with data upload from Excel
SAP Training Participant
HAYS AG
- HA150 SAP SQLScript
Freelance Engagement
ETENGO GmbH (for ista International GmbH)
Complex ABAP OO custom developments in the PM module in the context of real estate and energy management (ABAP 7.30)
Use of the Eclipse Workbench for ABAP development
Agile work strategies: Scrum, Testing Driven Development
Freelance Engagement
People4Project GmbH (for COMLINE AG, TLG AG)
Interface programming in the RE-FX module (ABAP 7.50, SAP HANA)
Migration of customer data from external systems into the SAP system: RE-FX, MM purchase orders, including additional fields
FI developments in FI-AA (additions, depreciations) and operating costs
Processing files to prepare the consolidated financial statements
Freelance Engagement
HAYS AG (for Vonovia AG)
Complex ABAP OO programming in the PM module (ABAP 7.50)
Development of a maintenance order cockpit with SALV display
Functions: conversion to internal/external orders, mass disposition, release with creation of MM purchase requisitions and purchase orders
SAP Training Participant
- SAP HANA Introduction
Freelance work
Ratbacher GmbH (for Springer Media)
ABAP OO programming and custom developments in FI module (ABAP 7.31)
Interface implementation
Test-driven development
Freelance work
PROMOS Consult GmbH (for Vonovia AG)
ABAP programming and support in PM, MM modules
Development of complex custom solutions
Freelance work
Mercoline AG
ABAP programming in MM module
Interface programming
Creating and changing master and transaction data in MM, SD, PP using BAPIs and SALV classes
Error display via ALV
Freelance work
RSP AG (for 50Hertz AG)
ABAP programming in PM module (ECC 6.0)
Complex programming with user exits, enhancements, BADIs
Automated creation of MM purchase requisitions and orders from PM orders
Freelance work
Mercoline AG (for Bundesdruckerei and others)
ABAP programming in QM module (ECC 6.0)
Development of QM notification activities: creating credit memo requests and CO internal orders via dynpros
ABAP programming in MM, SD, FI
Freelance Consultant
SAG
ABAP programming in the CO module (ECC 6.0)
Extended a monitor for planned and actual costs of WBS elements with Easy Cost Planning (ECP)
Editable ALV display for planned cost amounts per cost element and period
Freelance Consultant
Volkswagen AG
ABAP programming in MM and WM (ECC 6.0)
Developed a new inventory monitor with customer-specific adjustments to standard transactions
Freelance Consultant
Deutsche Bahn AG
ABAP programming in the PM module (ECC 6.0)
Rescheduled maintenance plans via batch input
Developed interfaces to the frontend and application server
Freelance Consultant
Deutsche Bahn AG
ABAP/ABAP OO programming in PM, SD, CS (ECC 6.0)
Customized status flows in CS notifications using UserExits and customer function modules (FuBas)
Developed interfaces for generating and sending CS orders
SALV grids for technical objects with UserExit-based editability
Freelance Consultant
SIEMENS AG
ABAP/ABAP OO programming in QM and PS (ECC 6.0)
SCM QM oneP Project: data selection and display of complex equipment via ALV, creation of SmartForms PDFs
QM notification programming with SALV Tree Controls for causes and actions
Enhancement/UserExit programming to control inspection lot creation at goods receipt
PS oneP Project: data display of network plans and standard plans with SALV classes and validation logic
Freelance Work
BAYER AG
ABAP OO programming in WM, MM, SD (ECC 6.0)
Enhancement/User Exit for optimized material putaway considering customizing
Classes, methods, and enhancements for quantity conversion in stock transfer orders
Adjustment of transaction VA01 for characteristic proposals in variant configuration
Freelance Work
ARVATO Systems
Participation and programming on an SD add-on for shipping orders (ECC 6.0)
Menu enhancements and distance calculation via customizing
Adjustments for freight cost document processing (transaction VI02) via user exits for Vattenfall
Freelance Work
FIDUCIA AG
ABAP OO, EDI/ALE, BAPI, and batch input programming in MM, SD, FI (ECC 6.0)
Extension of IDoc structures and linking BAPIs with batch input
ALV report programming for depreciations and accruals
SAPscript form development and adjustment of order creation (project agreeNet)
Freelance Work
Ferrero GmbH
ABAP OO programming in the QM module (ERP 2005, ECC 6.0)
Processing of analysis certificates as PDFs into SAP documents using BAPIs
Modification of table controls for horizontal scrolling and new displays for inspection result evaluations
Development of a transaction for sample registration using ALV controls and double-click functionality
Collective inspection orders with Excel OLE export/import and BAPI integration
XI proxy programming for data exchange with external labs
Mass processing and ALV lists for inspection lot results
Freelance Work
WincorNixdorf AG / TMI AG
Dialog programming in the retail sector (ERP 2005, ECC 6.0)
Data model in the Data Dictionary (tables, maintenance views, validations)
Complex dialog programs for goods issue and exchange planning with ABAP OO and dynamic ALV grids
Freelance Work
FIDUCIA AG
Release upgrade from 4.6C to ERP 2005 (ECC 6.0)
Converted batch inputs to BAPIs in SD, SCM, PLM, and FI with monitoring
Performance optimizations and use of SAP Enjoy Controls
Improved file interfaces and implemented Unicode adjustments
Freelance Work
Groupe DANONE
ABAP programming in PP, MM, SD, and WM (ECC 6.0)
Reporting and matching inventory data using ALV Controls
Performance optimizations using table indexes
Dialog programming with SAP Enjoy Controls and customer exits
Mass update of PP orders via batch input
Freelance Work
Siemens France SA
Programming in the PS project system: data retrieval and ALV grid/tree display for projects and subprojects
Programming in CS customer service: interface for notification tasks via batch input and file archiving
Freelance Work
Fresenius Netcare GmbH
ALE (IDocs) and interface programming in an SAP scenario between clinics and payers
Inbound IDoc processing and outbound message control using ABAP OO and application log
Freelance Work
Element System GmbH
Inventory controlling reporting with ALV grid controls
Key figure reporting via LIS, data conversion in ABAP memory
Event handling and hotspot mechanism in ALV
Freelance Work
SAP System Integrations AG (for Forschungszentrum Jülich)
Interface programming in MM for migration from R/2 to R/3 4.7 via BAPIs
Reporting in CO, MM, FI with SAP Enjoy Controls and object-oriented methods
Transferring data to local PC directories
Training Participant
Cimdata GmbH
JavaScript: dynamic websites, forms, pop-ups
HTML: website design, tables, CSS, hyperlinks
SAP Certification Participant
Siemens Business Services GmbH & Co. OHG
ABAP Objects Developer: Specialist in ABAP Objects Software Development
Topics: Data Dictionary, reporting, dialog programming, BAPIs, SAP Enjoy Controls, customer exits, BADIs, basic UML knowledge
Training Participant
Cimdata GmbH
Java: Servlets, network programming, threads, JDBC, Swing
C++: basics, object-oriented programming
SAP Consultant/Developer
Hewlett Packard
ABAP developments for interfaces to external servers using UNIX scripts
Selection and import of material master data for web-based inventory overviews
SAP Consultant/Developer
Raiffeisen-Banken Schweiz
- Reporting in MM and SD modules
SAP Consultant/Developer
Swisscom
Design and sub-project management for selecting material master data
Data upload using LSMW
SAP Consultant/Developer
Hewlett Packard
Release upgrade from 40B to 46C
Support for SD, MM, PP: IDoc processing, monitoring, troubleshooting
SAP Consultant/Developer
CLARIANT
Programming and maintenance of custom MM programs (goods receipts)
Reporting in MM (reservations, stock management)
Development of customer exits, field exits, and batch inputs
IDoc processing in SD and release upgrade support 30F–46B
SAP Consultant Training
Siemens Business Services GmbH & Co. OHG
- Certified SAP R/3 consultant in MM module and logistics training
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Real Estate, Banking and Finance, Chemical, Utilities, and Energy.
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Supply Chain Management, Procurement, Finance, Product Development, and Operations.
Skills
Overview Of Sap Experience:
- Abap Oo (Sap Certification)
- Abap 7.5x
- Odata Services
- Json Formats
- S/4hana
- Abap Cds Views
- Sap Controls (Alv Ida, Salv, Alv)
- Sap Fiori Apps
- Sap Odata Services
- Sap S/4hana Migration Cockpit
- Bapis
- Interface Programming
- Data Migrations (Including Preparation, Loading Of Material Masters)
- Forms (Sapscript, Smartforms, Sap Adobe Forms)
- Modifications And Sap Enhancements (Badis, User Exits, Etc.)
- Ale And Edi (Programming, Idoc Processing And Monitoring)
- Modules Scm, Ps, Mm, Sd, Plm, Cs, Fi, Co, Qm, Pm, And Sap Eam
- Knowledge In Pp
- Sap Security And Authorization (Fiori Apps, Transactions)
- Customizing And Sap Support
- Sap Jobs (Configuration And Monitoring)
- Multiple Release Upgrades
Programming Languages:
- Abap Oo
- Abap 7.5x
Operating Systems:
- Windows 11
Databases:
- S/4hana
Languages
Education
Technical University of Applied Sciences Berlin
Diploma in Industrial Engineering · Industrial Engineering and Management · Berlin, Germany
Max Planck Institute Stuttgart
Doctorate · Stuttgart, Germany
High school
General higher education entrance qualification · Germany
Certifications & licenses
ABAP Objects Developer
Siemens Business Services GmbH & Co. OHG
SAP R/3 Consultant for the MM module
Siemens Business Services GmbH & Co. OHG
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Experience
Expertise
Qualifications
Profile
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