Thomas R.-Freelance SAP BI Consultant
Check rate
Experience
SAP Datasphere Senior Consultant
multivac / Insire GmbH
Technical environment: BDC
- Design of BDC project: role design, space design, authorization concept, naming convention
- Template development of database artifacts for master and transactional data
SAP BI / HANA Senior Consultant
Biotronik
Technical environment: BW 7.5 / BW4H
- In-place migration from BW7.5 to BW4H
- ABAP development in the BI environment
SAP BI Architect
Iqony
Technical environment: BW4H
- Creation of LSA++ architectures in the areas of PCA, CO, HR, IS-U, FI, PUR
- Introduction of balance sheet accruals in IS-U
- Design/implementation of BI IP planning applications
- Story implementations in SAC
- Creation of architectures in Datasphere
- Connection of PowerBI via Datasphere
- Connection of TM1 via Datasphere
- Development of database artifacts in Datasphere for interfaces
- Mapping of BW data models in Datasphere
- Support activities in the areas of HR, BCS addon in BW4H, Lumira
SAP Senior Consultant
Investitionsbank des Landes Brandenburg ILB
Technical environment: EA-FINSERV, SAP-FIN, BW 7.5
- Analysis and adjustment of customer-specific enhancements in ECC in the areas of CMS and CML
- Development of SAP BI extractors based on the CMS SAP components
- Development of ABAP reports in the CMS environment for result evaluation
- Set-up of an LSA architecture
- Finding / correcting errors in SAP CMS coding
SAP BI / HANA Senior Consultant
Weber Maschinenbau
Technical environment: BW 7.5
- Support with the in-place conversion to BW4H
- Conversion of complex ABAP logic to AMDP
SAP BI / HANA Senior Consultant
Bayer
Technical environment: BW 7.5
- BI data modeling in the COPA environment
- ABAP developments in the BI environment (including transport checks, HCPR validation programs)
Solving performance problems in the ABAP stack:
Use of ABAP OO RTTS for memory optimization
Use of the Parallel Processing Framework for performance optimization
Development of a generic mapping / splitting engine with ABAP OO
Replacement of complex ABAP logic with AMDP-based approaches
Evaluation of Snowflake and PowerBI tools
Creation of a prototype BI application
SQL developments in Snowflake for this purpose,
Frontend developments in PowerBI
SAP BI / HANA Senior Consultant
tesa
Technical environment: BW 7.5 (B4H Mode)
- Creation of functional and technical specifications
- Leading workshops to gather requirements
- Creation of aDSOs, openODSViews, Composite Providers
- Creation of queries, variables, key figure systems
- Creation of VDMs with Core Data Services for PP, QM, FI, WM
- Creation/analysis/correction of CDS Views
- Creation of Calculation Views
- Development of AMDPs
- Development of authorizations / analysis authorizations
- Performance analysis of CDS-based VDMs
SAP BI / HANA Senior Consultant
Marquard & Bahls AG
Technical environment: BW 7.4 on HANA / BI IP, BPC embedded
- Design of virtual staging scenarios with HANA InformationViews (CalculationViews, AttributeViews, AnalyticalViews)
- Development of SQL Script-based procedures / functions in the HANA environment
- Performance evaluation and optimization of HANA models
- Development of planning scenarios with BI IP / PAK / AMDP-based developments
SAP BI Senior Consultant
Vaillant Group Business Services
Technical environment: BW 7.3 / 7.5
- Evaluation of options for connecting Microsoft SharePoint databases to SAP via REST/ODATA or SOAP, including a suitable XML parser with ABAP OO
- Development of a loading cockpit with WebDynpro
- Development of an SAP BI IP application for capturing calendar data
SAP BI Senior Consultant
Lufthansa Technik
Technical environment: BW 7.3, SAP Business Objects Analysis
- Implementation of a project for analyzing time-based activities
SAP BI Senior Consultant
Unicredit Services
Technical environment: BW 7.3, 3.5 in SAP HR
- Assessment and revision of the multilayer architecture;
- Review and correction of the existing generic extractors from SAP HR
- Development of a generic extraction component for extracting all infotypes
- Creation of a tool for evaluating and cleaning up the error stacks, including email functionality
- Introduction of a pseudo-delta process, including solutions for typical HR issues (overlapping time slices, detection of deletions)
- Creation of tools for the mass generation of DSOs, InfoSources, transformations, and data sources
SAP BI Senior Consultant
Edeka
Technical environment: BW 7.3, 3.5
- Implementation of CRs in the MM and SD environments, from extraction through query design
SAP BI Senior Consultant
Panasonic
Various roles: SAP BI Senior Consultant, Project Manager, Quality Assurance Consultant, Lead Consultant
Technical environment: BW 7.0
- Project management of various implementation projects in the BI environment;
- Technical leadership and coordination of several consultants
- Implementation of specialized interfaces (Outbound + Inbound) using BI technology (FI, SD, MM, CO)
Coach
systrion AG
Technical environment: BW 7.0
- Introduction of a junior consultant to the consulting environment
Test Coordinator
Unilever
Technical environment: BW 3.5, R/3, Proclarity, Siebel Consumer Goods 7
- Testing of a reporting system based on Proclarity and BW
Programmer, Technical Project Manager
Axel Springer / Cora Verlag
Technical environment: BW 7.0, Flat files
- Design and implementation of a MIS based on SAP BW
- Implementation of maintenance functionality with BI IP (RT Cube modeling, input-ready workbooks, FOX formulas)
Freelance SAP BI Consultant
Freelance SAP BI Consultant
Support Analyst, Developer
Unilever
Technical environment: BW 3.0, BW 3.5, BODI, Oracle SQL
- Support for all BW activities (loads, user requests
- Developments as part of connecting a Siebel CRM system
CSLM Process Lead
Accenture Services, Deutschland
Transition of operations from Unilever
IT Business Intelligence Systems Manager
Unilever Deutschland
Management of European CRM reporting in SAP BW
Responsible for the European Customer Service Level Monitoring project
IT Business Intelligence Systems Manager
Unilever Europe IT Germany
SAP BW Implementation Manager / Manager SAP R/3 FI CO
Unilever Deutschland
SAP BW Team Leader, BW Business Analyst and BW Developer
Unilever/ Lever Fabergé France – Eiffel AC
Systems Analyst
Unilever / Lever Fabergé Deutschland
Consultant in the OLAP/Data Warehouse field (Oracle RDBMS and Express technology)
Oracle Deutschland GmbH, NL Hamburg
IT Organizer/Systems Analyst
Radio Marketing Service GmbH, Hamburg
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Manufacturing, Energy, Banking and Finance, Healthcare, and Agriculture.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Business Intelligence, Project Management, Quality Assurance, Customer Service, and Logistics.
Summary
Thomas Rohmann has been working in SAP Business Intelligence consulting for around 20 years. With his core expertise in SAP BI architecture, design, modeling, and development (ABAP, ABAP OO, Information Views, Core Data Services, AMDP), Mr. Rohmann covers the entire SAP BI process. Recently, the new possibilities in the cloud, such as SAP Analytics Cloud and SAP Datasphere /BDC, have increasingly been the focus of his activities. Through his many years of project experience, Mr. Rohmann has detailed process knowledge in the areas of Human Resources, Supply Chain Management, Logistics, utilities, and Finance.
Skills
- Sap (Bw, Bpc, Bi Version 3.5, 7.X, Bw4h) Frontend
- Sap Business Objects Bi Platform
- Sap Business Objects Explorer
- Sap Lumira
- Sap Bex Analyzer
- Sap Bex Query Designer
- Sap Modelling Tools
- Sap Bex Web Application Designer
- Sap Analytic Cloud
- Sap (Bw, Bpc, Bi Version 3.5, 7.X, Bw4h) Backend
- Architecture, Extraction
- Data Storage / Modeling
- Sap Netweaver Bw From Release 1.2 To Today
- Sap Netweaver Bw Powered By Sap Hana
- Abap, Abap Oo, Amdp
- Coredataservices / Sql
- Calculationviews
- Webdynpro
- Sap Erp Fi Mm Sd Co Is-U Hr
- Sap S/4hana Platform (Sd, Qm, Mm, Pp, Fi, Co, Cms, Is-U, Hr)
- Sap Datasphere, Sap Bdc
- Snowflake
- Powerbi
- Git
- Python
Languages
Education
Diplom Wirtschaftsinformatik · Business Informatics
Certifications & licenses
Solution Consultant SAP NetWeaver 2004s BI/ BI70
Solution Consultant SAP NetWeaver 2004 BI
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Thomas is based in Winsen (Luhe), Germany.
Thomas speaks the following languages: German (Native), English (Advanced).
Thomas has at least 31 years of experience. During this time, Thomas has worked in at least 17 different roles and for 24 different companies. The average length of individual experience is 1 year and 2 months. Note that Thomas may not have shared all experience and actually has more experience.
Based on recent experience, Thomas would be well-suited for roles such as: SAP Datasphere Senior Consultant, SAP BI / HANA Senior Consultant, SAP BI Architect.
Thomas's most recent position is SAP Datasphere Senior Consultant at multivac / Insire GmbH.
In recent years, Thomas has worked for multivac / Insire GmbH, Biotronik, Iqony, Investitionsbank des Landes Brandenburg ILB, and Weber Maschinenbau.
Thomas is most experienced in industries like Information Technology, Manufacturing, and Energy. Thomas also has some experience in Banking and Finance, Healthcare, and Agriculture.
Thomas is most experienced in business areas like Information Technology, Business Intelligence, and Project Management. Thomas also has some experience in Quality Assurance, Finance, and Customer Service.
Thomas has recently worked in industries like Information Technology, Healthcare, and Agriculture.
Thomas has recently worked in business areas like Business Intelligence and Information Technology.
Thomas holds a Master in Business Informatics.
Thomas has 2 certificates. These include: Solution Consultant SAP NetWeaver 2004s BI/ BI70 and Solution Consultant SAP NetWeaver 2004 BI.
Thomas is immediately available for suitable projects.
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Calculated based on our freelancers’ daily rates as of 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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