Alexey Demin

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Letztes Update: 25.02.2024

Senior SAP MDG Berater/Entwickler

Abschluss: Computer Science
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: Deutsch (verhandlungssicher) | Englisch (verhandlungssicher) | Russisch (Muttersprache)




SAP MDG, ABAP-OO Entwicklung


01/2023 - bis jetzt
SAP MDG Expert (SAP MDG S4/HANA 2022)
TÜV Süd (Industrie und Maschinenbau, 5000-10.000 Mitarbeiter)

- Gathering business requirements in the project
- Explanations and presentations for fit gap workshops during the Design Phase
- Evaluation of key design decisions on BP data model, BRF+ workflows, data replication interfaces within the central master data governance
- Creating an ITconcept for MDG implementation
- Roadmaps for Customer/Supplier migration to S4/HANA (BP) with CVI (CustomerVendor Integration) conversion  using SAP Data Services as an ETL-tool
- Responsible for future technical implementation of UI, workflows and interfaces (ALE, SOAP) in MDG system

09/2021 - 03/2023
Senior SAP MDG Entwickler/Berater (SAP MDG S4/HANA 1909/2020)
MHP - A Porsche Company (Automobil und Fahrzeugbau, 5000-10.000 Mitarbeiter)

- MDG S4HANA 2020 Release Upgrade activities – SPAU/SPDD comparisons, smoke tests, functional tests
- Providing solutions (from concept to implementation) for replication of BP with dependencies to other BP on customer/vendor partner functions level
- Creating an utility to check the consistency of tax indicators in BP with customer/vendor roles
- Assisting in Authorization Concept development
- Developing report for the Key Mapping mass deletion (this option is missing in SAP MDG standard).
- Setting up Key/Value Mappings for the target systems using different approaches like standard MDG VM Framework, BRF+ decision tables, WebService Outbound/Inbound BAdI. IDOC Mapper BAdI, Service Mapping Tools (SMT)
- Performing BP master data modifications with help of Data Import / Export functionality
- Deletion of BP with customer/vendor roles in ILM (Information Lifecycle Management) environment
- IDOC CREMAS/DEBMAS interface extension by custom IDOC segments
- Enhancement of BP proxy-objects for outbound/inbound Web Service interfaces to transfer custom fields
- SOMANAGER configuration for Point-to-Point communication using local integration scenarios
- Customizing synchronization via BC Sets - Programming custom framework for dynamic UI control (own FPM feeder classes and services, Field Property based MDG BAdI)
- Implementation of complex BRF+ Workflow scenarios with parallel steps, BRF+ context extensions, separation of approver responsibilities
- Maintenance of Organizational Customizing (company codes, sales organizations, purchasing organizations, Classification data and so on)
- Implementation of Business Rule framework (with flexible Validation and Derivation rules) based on custom Handler Class
- CVI synchronizations using MDS Load Cockpit
- Enhancing MDG Duplicates check logic according to specific business requirements
- Analysis and correction of errors during Change Request creation and BP replication

01/2019 - 12/2021
Senior SAP MDG Entwickler/Berater (SAP MDG 9.2 on HANA)
Telekom AG (Telekommunikation, >10.000 Mitarbeiter)

- Analysis of functional requirements regarding Business Partner/Customer/Vendor master
data and ways of its implementation in SAP MDG-BP

- BADI Implementation for Customer Vendor Integration
- Data Quality Check / Validation
- Implementation of Change Request Types for customer business processes

- Dynamic UI programming with Floor Plan Manager/WebDynpro
- Providing Context-Based-Adaptations in FPM based on custom criteria
- Extension of standard MDG-BP Data Model with custom Entities and Attributes.

- SAP MDG BRF+ Workflow customizing and programming (approver determination,
mail notifications)
- Programming custom Handler Classes for BP/Customer/Vendor master data specific logic

- Customizing Data Replication Models via DRF
- Service Mapping Tools extensions
- BOL-GENIL programming for MDG-BP UI

- Creation of Enrichment spots with Web-Service calls and user interactions

04/2012 - 01/2019
Senior SRM Entwickler (mySAP SRM 7.0)
Telekom AG (Telekommunikation, >10.000 Mitarbeiter)

- Technical stability of purchasing processes within SAP SRM
- International Rollouts
- Customer logic on ABAP for material and service procurement in Sourcing Cockpit
- BADI Development for Shopping Carts, Goods Receipts and Catalogs
- ABAP code analysis and performance optimization
- Supplier and Material Replication
- SRM Enhancements (Enhancement-Spots, WebDynpro, SAP UI5)
- User Interface Extension for classic WebDynpro and SRM Add-On (SAP UI5, JavaScript)
- Customizing of organizational structure (user integration, company codes, purchasing groups
and organizations etc.)
- Writing utility reports for specific business needs (f. e. user migration) - dialog and
WebDynpro incl. POWL
- Data Transfer Interfaces OCI and XI/PI - Monitoring and error correction
- Extension of ODATA services for SAP SRM Add-On
- Object oriented programming (ABAP Objects) for mySAP SRM

- Process-Controlled Workflow
- Applying SAP OSS Notes

01/2010 - 03/2012
ABAP Senior Entwickler
SIEMENS Business solutions and services (Internet und Informationstechnologie, >10.000 Mitarbeiter)

- Error analysis and correction in customer ABAP reports
- Object oriented programming on ABAP for customer logic in MM module
- Programs for Data Upload/Download (in CSV, TXT, XLS format)
- Developments for Batch Input postings (FI team support)
- Interactive ALV lists / grids
- Dynamic Selection-Screens
- BAPI Development

05/2006 - 01/2010
ABAP Entwickler
SIEMENS Business solutions and services (Internet und Informationstechnologie, >10.000 Mitarbeiter)

- Development of statistical reports for FI and MM teams (Material movements, Invoicing)
- Enhancement of EDI/IDOC based functionality for Purchase Orders
- Programming user-exits in EDI/IDOC
- LSMW Tool - Migration of WBS data (programming migration logic)
- EDI/IDOC Monitoring and error correction for the following message types:
Order Response ORDRSP OUT / IN
Delivery DESADV OUT / IN
Product Data PRODAT OUT / IN
Price Category PRICAT OUT / IN
- EDI Customizing
- EDI Standard Extension (new segments and basic types)
- Supporting SIEMENS IDOC Format (SIDOC)

Period up to 2006

Non-SAP development: Microsoft Visual C++, C#


SAP Certified Development Associate - SAP Fiori Application Developer
SAP Certified Application Associate SAP MDG
SAP Certified Development Specialist ABAP for SAP HANA 2.0


Verfügbar in den Ländern Deutschland, Österreich und Schweiz
Profilbild von Alexey Demin Senior SAP MDG Berater/Entwickler aus Saarbruecken Senior SAP MDG Berater/Entwickler