Dimitar S.

SAP BW Bridge/Datasphere Developer/Architect

Sofia, Bulgaria

Experience

Jan 2025 - Aug 2025
8 months

SAP BW Bridge/Datasphere Developer/Architect

DIMISTRA CONSULTING LTD

  • Supported the client in optimizing and remodeling data flows in SAP BW Bridge in accordance with LSA++ best practices including AMDP transformation routines
  • Designed and implemented Datasphere data models using tables, data flows, SQL/graphical views and analytic models
  • Set up replication flows and data flows to integrate data
  • Enhanced parameterization using input parameters and derive variables in models
  • Derived attributes and texts using associations
  • Performed proof of concepts and tests with newly released features in Datasphere
  • Tested Datasphere data models using HANA Database Explorer and SAC Insights
  • Assisted with scoped roles and DACs in a multi-space tenant
  • Prepared technical documentation for the architecture and finalized development
  • Offered optimization ideas in both Datasphere and BW Bridge
  • Performed all design, development and support activities successfully and on time
  • Vastly improved performance of BW Bridge flows by rewriting routine logic using AMDP over ABAP
  • Simplified reporting solutions by splitting flow complexity between BW Bridge and Datasphere
Jan 2024 - Dec 2024
1 year

SAP BW/BI Developer

DIMISTRA CONSULTING LTD

  • Implemented new features and supported existing models and flows within SAP BW and SAP HANA (calculation views and SQL)
  • Supported the analysis phase of an ongoing migration project to SAP Datasphere
  • Performed all development and support activities successfully and on time
  • Rebuilt complex ABAP logic using Python script in SAP Datasphere
Jul 2023 - Dec 2023
6 months

SAP SAC Developer

DIMISTRA CONSULTING LTD

  • Developed statistical overview dashboards to reflect the state of the SAC tenant and risk evaluation of new features released by SAP
  • Reported bugs through OSS cases and communicated with SAP to resolve them
  • Created interactive dashboards showing stories, models and datasets activity and resource consumption
  • Identified critical bugs that were showstoppers for feature approval for SAC developers
Feb 2023 - May 2023
4 months
Hybrid

SAP BW/BI Developer

DIMISTRA CONSULTING LTD

  • Built a hybrid HANA/BW data model for sales and stock calculations to simplify BEx query reports
  • Developed an ABAP program to export BW data from table views to CSV files for Power BI reporting and daily user extracts
  • Reduced BEx reporting complexity and improved data calculations and loads using HANA calculation views and filters
  • Saved business hours of manual data exports
  • Created an on-demand ABAP CSV export program
Jan 2023 - Jul 2023
7 months

SAP BW/BI Developer

DIMISTRA CONSULTING LTD

  • Developed data flows and enhancements using BW and HANA as well as Webi reports and interactive dashboards in SAC
  • Supported users in requesting and receiving BI authorizations and roles
  • Supported users during the hypercare phase of a major global release
  • Created optimized dataflows to speed up data loads and reporting
Nov 2022 - Feb 2023
4 months

SAP BW/BI Developer

DIMISTRA CONSULTING LTD

  • Built an LSA++ dataflow to extract orders data from an external system for daily sales reporting
  • Implemented custom transformation logic to parse JSON-structured data into tabular BW format
  • Supported the BW query developer and implemented additional enhancements on demand
  • Integrated orders data extract into daily sales reporting successfully
Jun 2022 - Aug 2022
3 months

SAP DWC/SAC Developer

DIMISTRA CONSULTING LTD

  • Supported the client’s pilot project to evaluate SAP DWC and SAC as future-proof solutions
  • Built sales data models within DWC using pre-transformed data in BW
  • Enabled DWC data models to be consumed by SAC and Power BI for visualizations and reporting
  • Provided continuous support and guidance despite infrastructure compatibility limitations
  • Used DWC as a reporting layer to model and expose pre-transformed data
Apr 2022 - Oct 2022
7 months

SAP BW/BI Developer

DIMISTRA CONSULTING LTD

  • Rebuilt existing data flows using the new LSA++ architecture
  • Created HANA calculation views as part providers in composite providers to form optimized hybrid data models
  • Rebuilt and optimized data flows for better performance in analytic reports
  • Cleaned up obsolete objects and dataflows during the remodeling process
Feb 2022 - Apr 2022
3 months

SAP DWC/SAC Developer

DIMISTRA CONSULTING LTD

  • Sole developer/consultant for the pilot project to evaluate SAP DWC and SAC for data warehousing and reporting
  • Imported raw data and built data models within DWC and SAC
  • Constructed stories in SAC to visualize data into meaningful reports
  • Formed an excellent relationship with the client and earned their trust for future integration work
Jul 2021 - Mar 2022
9 months

SAP BW/BI Consultant

biX Consulting GmbH & Co. KG

  • Supported Bayer’s Bill-to-Cash department by implementing new reporting dataflows and enhancements using BW-native and HANA-native objects, SQL, ABAP and AMDP scripts
  • Worked with SAP BO Analysis for Office and BW queries
  • Gathered requirements from business, provided UAT sessions, hypercare and user onboarding
  • Earned a contract extension for 2022 by delivering high quality work under tight deadlines
May 2020 - Jun 2020
2 months

SAP BW/BI Consultant

ScaleFocus

  • Explored, tested and evaluated native capabilities of SAP Analytics Cloud as a front-end alternative
  • Performed data extraction, data modelling, story building and analytic application development using SAC scripting
  • Created and presented a showcase application demonstrating SAC’s capacity to clients
Jun 2019 - Apr 2020
11 months

SAP BI and Planning Consultant

Dahlbeer

  • Developed a planning application for Adidas using BEx queries and SAP BW 7.5 on HANA with ABAP enhancements (customer exit variables, function modules, custom function types)
  • Implemented front-end using SAP Analysis for Office and customized with VBA
  • Worked in an agile environment with on-site client interaction
  • Increased client trust and earned a 1-year extension
  • Delivered proposal to productive use within 6 weeks
  • Designed flexible dimensions proof of concept and new UI
Oct 2018 - Apr 2019
7 months

Developer

Dahlbeer

  • Designed and implemented a Lumira Designer web frontend showcase with custom HTML5, CSS and JavaScript components
  • Developed a slider component for KPI planning
  • Developed an iframe component for embedding how-to videos
  • Implemented action scripts for component interaction
  • Learned the Lumira framework through research and experimentation within 3 months
Jun 2018 - Sep 2018
4 months

SAP BW/IP Consultant

Dahlbeer

  • Led development of a BW/BPC consolidation application using SAP BW 7.4, BEx queries and SAP Analysis for Office
  • Estimated tasks and evaluated complexity
  • Developed a unique solution to update specific parent accounts when subaccounts are updated
  • Delivered content effectively under tight deadlines and regained client trust
  • Communicated daily with the client to discuss requirements

Summary

I’m an open-minded, results-driven, technically-oriented SAP BI/BW Consultant who has 7 years of hands-on experience with SAP BW, BI-IP, BEx Queries, SAP HANA, SAC and Datasphere.

I have worked as a consultant/developer on various projects for big international clients including two DAX 30 companies.

I have actively participated in all stages of the delivery of a productive application including gathering requirements, development, testing and post-release user support and application maintenance.

Languages

Bulgarian
Native
English
Native

Education

Oct 2012 - Jun 2017

University of Toronto Scarborough

Honors Bachelor of Science, Software Engineering Stream · Computer Science · Toronto, Canada

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