Gergely S.-SAP IS-U S/4Hana Customer Engagement (CRM) Consultant & Developer
Check rate
Experience
SAP IS-U S/4Hana Customer Engagement (CRM) Consultant & Developer
Energie SaarLorLux
- SAP IS-U transformation project
SAP S4Hana transformation project – focus on Customer Engagement (CE) & MCM
- Customizing tasks & Development tasks
- Master data in Customer Engagement (BP/ Contract Account / Contract / PoD &Supply Scenario)
- Customizing Customer Engagement
- Upil
- BSP / Badi / ABAP OO / ADT / CDS / RAP
SAP IS-U S/4Hana Device Management Consultant & Developer
SachsenEnergie AG
- SAP IS-U transformation project
SAP S4Hana transformation project – focus
Device Management & Meter Reading
IM4G (WiM) & MaCo
Customizing & Development
Master data in Device Management ( Connection / Premise / Installation / Device / Metering Instance / PoD &Supply Scenario )
IM4G Device Management Processes ( GPKE / WiM )
Master data change processes
Meter Reading processes
Device Management Processes
MaCo - Common Layer Processes development (Check- Groups)
BPEM Case Management Customizing & Development
SAP IS-U S/4Hana Customer Engagement (CRM) Consultant & Developer
aov IT.Services GmbH
- SAP IS-U transformation project
SAP S4Hana transformation project – focus on Customer Engagement (CE) & MCM
- Customizing tasks & Development tasks
- Master data in Customer Engagement (BP/ Contract Account / Contract / PoD &Supply Scenario)
- Customizing Customer Engagement
- Upil
- BSP / Badi / ABAP OO / ADT / CDS / RAP
SAP IS-U S/4Hana Device Management Consultant & Developer
EWE Netz AG
- SAP IS-U transformation project
SAP S4Hana transformation project – focus
Device Management & Meter Reading
IM4G (WiM) & MaCo
Customizing & Development
Master data in Device Management ( Connection / Premise / Installation / Device / Metering Instance / PoD &Supply Scenario )
IM4G Device Management Processes ( GPKE / WiM )
Master data change processes
Meter Reading processes
Device Management Processes
MaCo - Common Layer Processes development (Check- Groups)
BPEM Case Management Customizing & Development
Badi / ABAP OO / ADT / CDS / RAP
Fiori APPs using Fiori Tools
SAP BTP Side-by-side extensions
SAP IS-U Migration Consultant & Developer
Items GmbH & Co. KG
- SAP IS-U migration project
Master Data Migration
Commercial objects: Business Partner / Contract Account / Contract / SEPA
Technical objects: Connection Object / Premise / Installation / POD / Devices / Facts
POD services
Devices & meter reading results
Open items
Migration preparations: Migration List & Report
Customizing & Development
Unit Test & Mass Test
Mass Data Migration
Senior SAP S/4Hana Service Consultant & Developer
Jungheinrich AG
- SAP S4 Service Transformation Project
SAP S4Hana Transformation Project - Focus on Item Based Accounting (IBA)
- Customizing tasks & Development tasks
- Customizing Service Order Processes (IBA)
- Customizing & Development IBA SD/MM/CO Integration
- Alignment of business requests with responsible business organization
- BSP / Badi / ABAP OO / ADT / CDS / RAP
SAP IS-U S/4Hana Device Management Consultant & Developer
Syna AG
SAP IS-U Support in the area of Device Management & Maco
Customizing & Development
Bug Fix
Senior SAP S4Hana Service Consultant
Busch & Pfeiffer Vacuum Technology AG
- SAP S4 Service Transformation Project (CS)
SAP S4Hana Transformation project - focus on S4Hana Service & Customer Service
- Customizing tasks & Development tasks
- Customizing Service to Cash Processes
- Customizing Service Quotation / Service Order
- Customizing & Development SD/MM/CO/ CATS Integration
- Customizing & Development SAP C4C integration
- Alignment of business requests with responsible business organization
- BSP / Badi / ABAP OO / ADT / CDS / RAP
SAP IS-U & S/4Hana (CS/ PM) Consultant & Developer
Freelance
- Consultant & Developer in S4/Hana transformation projects (S/4Hana Service)
- Consultant & Developer in SAP IS-U – S/4Hana Utility Transformation Project – Customer Management & Device Management (IM4G/MaCo) & Data
Senior SAP S4Hana Service Consultant
TTS Tooltechnic Systems GmbH
- SAP S4 Service Transformation Project (CS). In-House Repair
SAP S4Hana Transformation project - focus on In-House Repair
- Customizing tasks & Development tasks
- Customizing Service to Cash Processes
- Customizing Service Quotation / Service Order
- Customizing & Development SD/MM/CO/ CATS Integration
- Inhouse Repair Management Process from Repair 2 Billing
- Alignment of business requests with responsible business organization
- BSP / Badi / ABAP OO / ADT / CDS / RAP
Senior SAP IS-U & S/4Hana Customer Engagement Consultant (CRM)
OPUSZ AG
- SAP IS-U Transformation Project
SAP S4Hana Transformation Project – Focus on Customer Engagement & Device Management
- Customizing tasks & Development tasks
- Master data in Customer Engagement (BP/ Contract Account / Contract / PoD &Supply Scenario)
- Customizing Customer Engagement
- Customizing IS-U – CS Module
- Customizing IS-U – Device Management Module
- Customizing Service Request / Service Order
- Customizing & Development SD/PM Integration
- Alignment of business requests with responsible business organization
- BSP / Badi / ABAP OO / ADT / CDS / RAP
Senior SAP S4Hana SD Consultant
TRUMPF AG
Commerce (E-Shop) Integration with S4Hana Sales Processes
- eShop integration with S4Hana SD
- Customizing S4Hana Sales Order Management (ATP/BoM/Variant Configuration)
- Customizing SAP Pricing & Promotions
- IDOC Interfaces for Orders and Contracts
C4C Consultant / S4Hana SD Consultant
Viastore systems GmbH
Service / Repair Process Support in SAP C4C (with integration into the FSM, S4Hana)
Architecture: SAP S / 4 HANA, SAP Service Cloud (C4C), SAP Field Service Management (FSM), SAP Cloud Platform Integration (SCPI) and SAP Cloud Connector
SAP C4C Fine Tuning + Enhancements
Ticket Processing & S4Hana SD Integration
SAP ADT / ABSL Developments
Team Lead SAP CRM / Fiori Implementation
Daimler AG
- SAP Fiori App Implementation - InfoPoint/Integrity (Compliance)
- Preparation / Managing the Conceptual Design Plan
- Managing the meetings with business side
- Regular progress report
- SAP Fiori Gateway Services
- SAP CRM Backend Customizing + Developments
- Managing the Testing and UAT
- Channel management - ERMS E-Mail Integration & Go-Live preparation
Solution Architect SAP BRIM
Porsche AG
- Proof of Concept Finance & Accounting for digital business models based on SAP Subscription Billing (Public Cloud)
- Architecture: SAP subscription billing, SAP S/4 HANA Cloud Essentials, SAP CPI, SCP
- Creation of technical conception and project management
- Setup Monetization processes with SAP Subscription Billing Cloud / SAP FI-CAC / S4Hana (On-Prem.)
- Setup digital sales processes with SBC / SCPI/ FI-CAC
- Setup SAP FI-CAC CI processes
- Setup the integration to S4Hana GL
Principal
MHP - A Porsche Company (Management- und IT-Beratung GmbH)
- Principal in S4/Hana transformation projects (S4Hana Service)
- Solution architect in Subscription Billing (SB Cloud / BRIM / CI / FI-CA) projects
- Solution architect in SAP E-Mobility Cloud - Co-Innovation & Co-Development Project directly with SAP AG in the Industry Cloud for Automotives
- Principal in multiple SAP CX Service projects (SAP C4C / FSM / S4Hana)
- Team lead & Technical lead in multiple SAP Fiori Service projects (SAP CRM OnPrem / Web IDE)
Senior SAP CRM Consultant
Continental Tires
- Development of a global SAP CRM template solution for the service business area of the automotive supplier (end-to-end)
- SAP CRM Consulting: SAP CRM (7.1), SAP ERP (ECC6.0)
- Soap Interface Developments
- SAP CRM Product / Business Partner Master Data
- SAP CRM Web UI Customizing / Developments
- SAP ECC - Invoice Correction process Customizing / Developments Configuration of the necessary settings (including basic customizing, service contracts, service orders, service confirmations, debit requests, invoicing, integration controlling, integration logistics (purchasing), pricing CRM, pricing SD, basic integration customizing CRM <-> ERP, middleware settings, implementation formulas and conditions for pricing in SAP CRM)
Solution Architect
MHP
- SAP Internal Monetization Project (SAP BRIM)
- SOM Process Customizing & Development
- Subscription Contract / Order / Product customizing & development
- Contract Account (FI-CA) Customizing & Developments
- BITs upload & process & CI Customizing
- Billing & Invoicing demo process customizing & development
Senior SAP CRM Consultant
Tchibo AG
- Retail Price Communication via E-mail / Fax implemented in SAP Solution Platform (SAP NW System)
- Retail Price Catalog Communication Via EDI implemented in SAP Solution Platform
- Contributions:
- Marketing Campaign Service API Developments
- Email / Fax Service Developments
- EDI (PRICAT) Service Development
- Price Service API for SAP Retail solution Project Controlling
Team-Lead SAP CRM / Fiori Implementation
Daimler AG
- Fiori Based Case Man. Process Implementation
- SAP CRM 7.0 EHP4
- SAP UI5 1.48
- Case Management / ERMS / Workflow / Service Request / Activity / Business Partner / IC
SAP BRIM SOM Consultant
SAP AG
- SAP CRM FCC +
- SAP BRIM SOM + ODI Interface
- FI-CA Integration / Dunning / Collection Management
- Contract Integration to CC / CI & Middleware - BDoc developments
Team Lead / Senior SAP CRM Consultant & Developer
Cellent AG
- Lead in the Compliance implementation project. Responsible for the budget and scope of the implementation.
- Senior Consultant & Developer in SAP-BRIM implementation at SAP AG.
- Senior SAP CRM Consultant & Developer in Lead to Cash (LORD) implementation
SAP CRM Consultant & developer
Daimler AG
- Investigative Case Management Project
- SAP CRM 7.0 EHP4
- SAP UI5 1.48
- Case Management / ERMS / Workflow / Service Request / Activity / Business Partner / IC
Project Manager SAP CRM
Deutsche Telekom AG
- Project lead in the „ARAMIS Program“ at Deutsche Telekom. „HR Employee Interaction Center“ (EIC) with SAP-CRM 7.0 EHP 3 & SAP-HR ECC.
- The ARAMIS Program covers 19 countries in Europe. The EIC SAP-CRM / HR system-based template implementation and roll-out
- Responsible for the implementation project leadership.
- Team lead of a 10-member team
- SAP CRM Consultant & Developer during the implementation
Team-Lead SAP CRM
Deutsche Telekom AG
- Project lead in the „ARAMIS Program“ at Deutsche Telekom. Implementation of „HR Employee Interaction Center“ (EIC) Solution with SAP-CRM 7.0 EHP 3 and SAP-HR Systems.
- The ARAMIS Program includes 19 countries around Europe. The EIC SAP-CRM / HR System based template implementation and roll-out
- Responsible for the whole impl. project leading a team up to 10 direct and 15 indirect members.
- SAP CRM Consulting and developments as part of the implementation
Senior SAP CRM Consultant & Developer
Convista Consulting
- Senior SAP CRM Consultant & Developer in the Problem Management Team, at VIG Vienna.
- SAP CRM Sales/ Contract Management/ Middleware/ Mobile Sales Application Integration
SAP CRM Consultant
VIG
- Senior SAP CRM Consultant in the Problem Management Team, at VIG Vienna.
- SAP CRM Sales/ Contract Management/ Middleware/ Mobile Sales Application Integration
Senior SAP CRM Consultant & Developer
M-Telekom
- Blueprint for the HR Employee Interaction Center“ (EIC) with SAP CRM 7.0 EHP 3 and SAP-HR Systems
- SAP CRM Consultant & Developer during the implementation
SAP CRM Consultant
M-Telekom
- MLC / ERMS / Workflow / Service Request / Activity / Business Partner / IC
- SAP CRM Consulting and developments as part of the implementation
Senior SAP CRM / IS-U Consultant & Developer
ERP Consulting
- Multiple SAP Utility (SAP IS-U) projects, additional experience is listed:
- Multiple SAP IS-U 4.xx/ECC Impl. for gas & electricity companies
- Multiple Liberalisation (Sales & DSO separation) - using MaKo
- Multiple „Pre-Paid Meter Handling“ projects
- Multiple SAP Business-Workflow process integration
- Multiple Call Center Integration & “Internet Self Service” Impl.
SAP CRM / IS-U Consultant
Multiple Utility Firms - E.On / EDF / ENI / RWE
- Several SAP-Utility (SAP IS-U) implementation projects (greenfield & brownfield), additional projects are listed below:
- SAP IS-U implementation for Gas and Electricity Utilities
- Multiple Liberalisation (Sales & DSO separation) - using Market Communication
- Multiple „Pre-Paid Meter Handling“ projects
- Several SAP Business-Workflow Process Integration projects
- Several Call Center Integration and "Internet Self Service" implementations
SAP CRM Consultant
SABMiller Hungary
- SAP CRM Sales and Service scenario implementation
- Responsible for sales / service process customizing
- Sales Contract management
- Middleware developments
Senior SAP CRM Consultant & Developer
IBM Business Consulting
- Multiple SAP CRM implementation projects
CRM Consultant
OTP / K&H / MKB Banks
- Analytical and Operative CRM - Blue Print phase
- BRP + Analytical CRM solution planning
- As-Is, To-Be Analysis, CRM Program Plan delivery
- Customer Segmentation and Segmentation Model design
Junior SAP Developer
PwC Consulting
- ABAP developments
- ALE / IDOC / XML Integration
- Siebel Sales / Service process customizing & development
Junior developer
EGIS & RICHTER
- SAP Pharma Marketplace Implementation Project
- External Marketplace development with ALE integration to SAP SD / MM
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Utilities, Information Technology, Energy, Professional Services, Automotive, and Manufacturing.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Customer Service, Project Management, Sales, and Business Intelligence.
Summary
Working as a Senior Consultant for more than 20 years in various roles in implementation projects. Roles such as Solutions Architect, Team Lead, Consultant or Developer.
My focus is on technical and functional consulting in the SAP Service module and SAP IS-U Customer Engagement & MKV & Device Management. In the past, I had the opportunity to implement numerous greenfield and brownfield SAP projects.
Based on my project history, I have gained extensive industry-specific experience in various sectors, such as: Automotive / Energy / Retail
Skills
- Sap S/4 Hana
- Sap Crm
- Sap Sd/Cs
- Sap Is-U
- Abap Oo / Cds / Rap
- Sap Fiori Tools
- Btp Side-By-Side Extensions
Languages
Education
Corvinus University Budapest
Post. Graduate · Executive Enterprise Marketing · Budapest, Hungary
TU Karlsruhe / TU Budapest
MSc · Electric Engineer · Karlsruhe, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Gergely is based in Hamburg, Germany and can operate in on-site, hybrid, and remote work models.
Gergely speaks the following languages: Hungarian (Native), German (Advanced), English (Advanced).
Gergely has at least 28 years of experience. During this time, Gergely has worked in at least 27 different roles and for 32 different companies. The average length of individual experience is 1 year and 9 months. Note that Gergely may not have shared all experience and actually has more experience.
Based on recent experience, Gergely would be well-suited for roles such as: SAP IS-U S/4Hana Customer Engagement (CRM) Consultant & Developer, SAP IS-U S/4Hana Device Management Consultant & Developer, SAP IS-U Migration Consultant & Developer.
Gergely's most recent position is SAP IS-U S/4Hana Customer Engagement (CRM) Consultant & Developer at Energie SaarLorLux.
In recent years, Gergely has worked for Energie SaarLorLux, SachsenEnergie AG, aov IT.Services GmbH, EWE Netz AG, and Items GmbH & Co. KG.
Gergely is most experienced in industries like Utilities, Information Technology, and Energy. Gergely also has some experience in Professional Services, Automotive, and Manufacturing.
Gergely is most experienced in business areas like Information Technology, Product Development, and Customer Service. Gergely also has some experience in Project Management, Business Intelligence, and Marketing.
Gergely has recently worked in industries like Information Technology, Automotive, and Utilities.
Gergely has recently worked in business areas like Information Technology, Product Development, and Customer Service.
Gergely holds a Master in Electric Engineer from TU Karlsruhe / TU Budapest.
Gergely will be available part-time from November 2026.
Daily rate distribution
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Average rates for similar positions
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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 24 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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