Thomas Rohmann Email & Phone Number

Germany

• design and implementation of LSA++ architectures for PCA,CO, HR, IS-U, FI • implementation of simulation in IS-U• developments of prototypes in SAC• support activities HR, BCS, Lumira, SAP BI BW4H

Winsen/Luhe, Niedersachsen, Deutschland

• analysis and modification of customer enhancements in ECC CMS abd CML• development of SAP BI extractors based on CMS SAP function modules• development of ABAP reports in CMS for result evaluation• error search and correction of SAP owned CMS coding

Role as SAP BI / HANA Senior consultantTechnical environment: BW 7.5 Specific responsibilities::• BI data modeling in COPA BI environment• ABAP developments solution of performance problems in ABAP Stack: usage of ABAP OO RTTS for memory optimization usage of parallel processing framework für performance optimization• development of a generic mapping / split engine with ABAP OO• replacement of complex ABAP logics by AMDP based implementations• evaluation of different tools: Snowflake, PowerBI, Tableau

Role as SAP BI senior consultantTechnical environment: BW 7.5Specific responsibilities:• replacement of complex ABAP logics by AMDP based approach (AMDP classes, MAP_MERGE)

Role as SAP BI / HANA Senior consultantTechnical environment: BW 7.5 (B4H Mode)Specific responsibilities:• creation of functional and technical specifications• leader of workshops for requirements engineering• creation of aDSOs, openODSViews, Composite Providern• creation of queries, variables, system of keyfigures• analysis/correction of CDS views (core data services)• development of VDMs with calculation views• development of VDMs with CDS for PP, FI MM, QM• development of authorizations and analysis authorizations

Client: Marquard & Bahls, energy supply and logisticRole as SAP BI / HANA senior consultantTechnical environment: BW 7.4 / HANA DB, BI IP, BPC embeddedSpecific responsibilities:• design and implementation of virtual staging scenarios with HANA InformationViews (CalculationViews, AttributeViews, AnalyticalViews)• development of SQL Script based procedures / functions in HANA• analysis of performance issues and performance optimizations• development of composite provieder using HANA views• development of virtual providers using HANA views• development of BI IP / PAK / AMDP based implementations• development of input ready based onf Analysis for Office including VBA scripts• analysis authorizations• support in all kind of BPC embedded issues

Client: Vaillant international machine and plant engineeringRole as SAP BI senior consultantTechnical environment: BW 7.4 / HANA DBSpecific responsibilities:• evaluation of connection of Sharepoint databases to SAPdevelopment of a REST based approach in order to load sharepoint data into SAP BW development of a SOAP based approach in order to load sharepoint data into SAP BW including development of a suitable XML parser with ABAP OO • performance optimizations of dataflows (migration of update rules into optimized ABAP OO classes)• development of a cockpit view with webdynpro:display of loading times of various dataloadsload of excel files into SAP DSOs trigger and monitor of process chains• integration of QlikView publisher tasks into SAP BW process chainsdevelopment of RFC connectivity in order to trigger QlikView publisher tasks from SAP BW• development of a SAP BI IP application for calendar maintenance• development of several webdynpros including a class hierarchy of assistance classes and dynamically created context nodes• support activities of upgrade 731 to 75 (execution of test scenarios, error analysis and error fixing)• prototypical implementation of advancedDSOs, openODSViews, CompositeProvidern, AMDPs in order to evaluate possible usage scenarios• customization of an easy query scenario

• review and evaluation of existings process chain landscape; compilation of a re-design and subsequent implementation • review and evaluation of existing layer architecture; compilation of a re-design and subsequent implementation • review and evalution of existing generic datasources and subsequent re-implementation • development of a generic approach for extraction of all HR infotypes• development of a tool to evaluate and purge BW errorstacks including an • email functionality• introduction of a pseudo delta approach including solutions of typical HR BW problems like overlapping timeslices, deletions• implementation of a complex logic in order to handle so called “delegations”• implementation of tools for mass generation of DSOs, infoobjects, infosources, transformations, datasources• development of a tool in order to inherite attributes along hierarchical structures

Client: Edeka Germany international retailer Role as SAP BI Senior consultantTechnical environment: SAP BW 7.3, 3.5Specific responsibilities:• implementation of change requests covering whole BI process (from extraction process to query design) area mainly SD and MM• data migration• development of real time extraction processes• development of a generic data extractor based on ABAP OO• correction of staging scenarios out of SD and MM• development / correction of WAD based applications

Client: Panasonic GermanyRole as SAP BI senior consultant (lead consultant)Technical environment: SAP BW 7.0 (3.5 functionality)Specific responsibilities• project management of several implementation projects in BI environment; lead and management of several consultants• implementation of inbound/outbound interfaces using BI technology• development of a tool for stock optimization based on BI IP technology• Solution of some specific problemso development of a program for deletion of inactive RFC connectionso performance optimization of a long running process chaino elimination of a problem concerning high memory consumption of workbooks with many embedded queries• Development of an interface with data coming out of APO into BW; generation of flat files for a global planning system• Overall responsibility of all interfaces into the global plannning system (lead consultant)• 2nd level support (root cause analysis, bugfix across whole BW implementation)• Coordination and implementation of all change requests concerning the interfaces (changes of infocubes, update rules, BADIs, ODS objects, update rules)• Management of one junior consultant• Communication with headquarter in Japan

Hamburg Und Umgebung, Deutschland

Hamburg Area, Germany

Paris Und Umgebung, Frankreich

Hamburg

Hamburg Und Umgebung, Deutschland

Hamburg Area, Germany

Master'S Degree

Abitur