IBM Cognos Experts

Development of AI and traditional models to analyze medical and patient data, including medication analyses, diagnosis analyses, forecasts, procedure analyses, dosage analyses, comorbidity analyses, prescription analyses, patient potential analyses, referral profile analyses, and prescription analyses. Analyses in the field of Real World Evidence.

Healthcare IT, pharmaceutical industry

Tasks, responsibilities:

• Gathering customer requirements
• Planning the subproject
• Designing and defining KPIs
• Designing and developing models and visualizations of results using customer dashboards
• Developing and implementing data warehouse adaptations
• Deriving recommendations for action

Methods, technologies:

• Simulation
• Artificial intelligence
• Python
• R
• SQL
• Microsoft Power BI
• Amazon Web Services
• Elasticsearch
• PostgreSQL
• Databricks
• Multivariate statistics

• Standardization and further development
• Application monitoring
• Incident handling
• Change management
• Interface and integration operations
• Testing, acceptance and transition to operations

I am an experienced data engineer specializing in end‑to‑end data integration, cloud DWH architectures, and high‑quality, governed data products.

I delivered following projects and engagements as a freelancer.

• Data Migration of CRM System for AL-FA Objekt Service Gmbh
• Microsoft Software Resales Partnership

I am looking for freelance roles like: Freelance Data Engineer Cloud Data Warehouse Architect Data Modeling & Architecture Consultant MDM & Data Governance Specialist BI & Analytics Developer

Technical Focus Areas

• Data Engineering & Integration: SQL Server/SSIS, Informatica PowerCenter/IDQ, Talend, Kafka, Azure Data Factory – Delta/CDC/ELT patterns, robust pipelines, monitoring/recovery, data lineage & impact analysis, medallion architecture Bronze/Silver/Gold layers
• DWH & Cloud: Azure SQL / Data Lake / Synapse, AWS Redshift/S3, on‑prem SQL/Oracle – scalable data marts with a strong cost/benefit focus.
• Data Modeling: Atomic (Inmon) and Dimensional (Kimball), Data Vault (Linstedt), Domain‑Driven Design, clear lineage & contracts.
• MDM & Governance: Informatica MDM, IBM MDM, stewardship processes, data quality rules, survivorship/XREF, catalog/glossary, SIF/BES/REST publication.
• Analytics/BI: Power BI, SSAS, Cognos – business‑ready, maintainable data products.

• QA Lead for end-to-end quality assurance of the Sparkasse & Sparkasse Business banking apps (iOS/Android); design and implementation of the Test Strategy including functional testing, regression testing, and UAT for eID, Push Notifications, and white-label components
• Creation and maintenance of test concepts and test plans in TestRail; structured Defect Management and error analysis; stakeholder management and risk management for the early identification of critical quality risks
• Accessibility Testing according to WCAG 2.1 (iOS/Android); coordination of AI-supported test automation and optimization of test processes to shorten release cycles
• Release Management: planning, management, and coordination of all test activities; status reporting to management and stakeholders; quality assessment of releases and release recommendations in an Agile/Scrum environment
• Challenge: Highly complex build and release process across several Sparkasse institutions; close coordination with the DevOps team to stabilize the CI/CD pipeline and ensure reproducible test builds before every release.

Tools: Jira, Confluence, TestRail, Android Studio, Xcode, Firebase, Jenkins, GA4

• Success: Successful launch of the eID authentication process - quality assurance ensured for 50+ Sparkasse institutions

• Project management for a simplification project to reduce effort for an IT transformation project
• Stakeholder management and preparation of decision documents for senior management
• Scoping and PI planning across multiple delivery streams
• Planning requirements for the transformation project
• Creating partner and customer journeys to capture requirements in a structured, end-to-end way
• Designing suitable tracking methods for project progress
• Coordination with IT service providers and transformation project committees

Planning and updating the entire environment to Windows Server 2022 and 2025

• Hardening of DCs and servers, setup of event log forwarding
• Migration of all existing Windows 2019 servers (including Active Directory DCs, DNS and CA) to Windows Server 2022 and 2025
• Automation of security patches for the Hyper-V clusters via PowerShell (CAU)
• Network administration
• Continuous operation and support of the MS Hyper-V environments

I continuously expand my expertise in AI and automation. I work with ChatGPT, OpenAI, Manus, Gemini, MS CoPilot, APIs, LangChain, Hugging Face, Manus, TensorFlow, and Auto-GPT, as well as Python-based ML frameworks and MLOps tools, to intelligently transform traditional software development, analysis, and testing processes.

• Full-service marketing agency for global technology groups

• Management of IT with 10 employees, including budget and personnel responsibility.
• Harmonization of the Navision systems in Germany, Switzerland and Austria.
• Connection of the ERP systems in Switzerland, Austria and Italy to the central Microsoft Power BI systems in Germany.
• Rollout of a new firewall at 10 locations in D, CH and A.
• Evaluation of a new DMS.
• Migration to Windows 10 / 11.
• Transformation of 9 countries into ONE Europe.
• Start of NIS2 implementation in 5 European countries.

Scope: Embedded as FP&A Data & AI Architect within the Finance function of a major European refrigeration manufacturer, leading the transformation of manual, fragmented financial reporting into an automated, governance-driven intelligence platform. Driving the shift from Excel-based controlling to structured data architecture, Power BI analytics, and AI-assisted financial operations.

Financial Data Integrity & ERP Governance

• Initiated and led GL vs. subledger reconciliation investigations, identifying and resolving structural mismatches between General Ledger and subledger data that had gone undetected prior to engagement
• Conducted asset analysis to identify items missing from General Ledger postings, surfacing gaps in fixed asset tracking and period-end completeness
• Validated SAP reports, establishing baseline data quality standards for Finance team consumption
• Established systematic SAP data validation framework ensuring ongoing integrity between ERP postings and downstream reporting outputs

Finance Reporting Transformation

• Designed and implemented a structured Transformation Project approach for converting manual Finance reports into fully automated processes
• Created and owns the Data Reporting Audit Log; a centralized tracking system capturing report owners, stakeholders, data sources, manual effort estimates, and automation opportunity scores across the Finance function
• Mapped the full reporting landscape identifying quick-win automation targets and strategic Power BI migration candidates
• Actively reducing manual Excel and PowerPoint dependency across FP&A workflows; replacing point-in-time snapshots with live, governed data models

Power BI & Analytics Enablement

• Introduced and presented Power BI as the strategic reporting platform to Finance leadership, building internal buy-in for the BI transformation roadmap
• Designed initial Power BI architecture aligned with SAP, Salesforce and Oracle data structures and FP&A reporting requirements
• Established report ownership, governance documentation, and data lineage standards enabling sustainable self-service analytics across the Finance team

Transformation Infrastructure & Collaboration

• Configured and deployed Jira as the transformation project management hub, establishing structured sprint workflows, backlog management, and progress visibility for Finance IT initiatives
• Proposed and initiated a dedicated FP&A Communication & Transformation Hub, a structured cross-functional forum aligning Finance, IT, and business stakeholders around the reporting transformation roadmap
• Positioned the Finance function as an active driver of data governance and digital transformation within the broader organization

Outcomes

• GL/subledger reconciliation gaps identified and investigation framework established within first two weeks of engagement
• Data Reporting Audit Log deployed; first structured inventory of Finance reporting landscape in company history
• Power BI transformation roadmap presented and approved by Finance leadership
• Jira-based project governance live; Finance transformation now tracked with full sprint visibility

Technologies: SAP FI/CO · Power BI · DAX · SQL · Excel (advanced) · Power Query (M) · Power Automate · VBA · Jira · Microsoft 365 · SharePoint · Salesforce (Sales Data) · Oracle HCM · Python

• Developed data-driven performance strategies and managed cross-functional agency teams.
• Led KPI forecasting, budgeting, and implemented scalable creative solutions.
• Linked creative insights with analytics to increase marketing efficiency.
• Developed inspiring campaigns based on brand strategy and data-driven insights.
• Performed budget planning, forecasting, and full KPI accountability.
• Led and executed an agency pitch for performance marketing.

• Accounting, controlling and reporting, taxes, risk management, treasury, credit management, legal matters, internal control/SOX, HR, IT, cooperation with auditors, tax advisors and public authorities
• Logistics, production and HACCP, occupational safety and veterinary and hygiene regulations (food production)
• Due Diligence, M&A, company demergers, crisis management, project management

Selected interim projects:

• Twistcafe (Fastfood restaurants) – Interim CFO (worldwide): Resolution of problems with accounting and tax documents for the annual financial statements of the German and Austrian subsidiaries; standardization of accounting for intercompany transfers of raw materials and cash (CZ, SK, DE, AT, PL); automation of recharging discount campaigns and cashless payments; improvements to cost center accounting (200+ CCs)
• VIB Vermögen AG (Branicks Group, Real Estate) – Interim Head of Accounting (DE): HGB annual financial statements for 19 companies without complications; IFRS consolidated financial statements without complications; automation of consolidation measures (debt consolidation, expense and income consolidation); automation of reporting
• NTT (Telecommunications) – Interim Senior Controller (DE): Simplification, standardization and automation of month-end closing activities (accruals for customer and supplier rebates, order backlogs, accrued revenues, monthly GP adjustments), including SOX compliance documentation; balance sheet reconciliation; improvement of loyalty reporting
• Lilium (Aerospace) – Interim Senior Accountant (DE): Tax line corrections; asset migration from Datev to Infor LN for two companies, including improvement of data quality; automation of the processing of interim asset investments and asset additions; successful SOX closing audit for fixed assets leading to the US stock market listing
• Brose (Automotive) – Interim Head of Controlling (CZ): Successful Forecast III; simplification and automation of calculations and reporting (hourly rates, temporary workers, monthly reports, scrap and external rework, direct personnel costs); platform change for the monthly management board meeting
• LUST Hybrid-Technik (Pankl-SHW Industries, Manufacturing) – Interim Finance Controller (DE): Monthly and annual financial statements (including inventory valuation, cost and performance accounting), budget-to-actual comparisons, variance analyses, ad hoc evaluations, forecast preparation, automation
• Gebr. Bode (Schaltbau Group, Manufacturing) – Interim Head of Accounting (DE): Annual financial statements without complications; simplification and automation of liquidity planning; automation of the open items report, standardization of intercompany reconciliations; introduction and automation of the fixed assets report
• Hyva Georg Hydraulik (Manufacturing) – Interim Senior Accountant/Finance Manager (DE): Simplification and automation of VAT returns, Intrastat and other statistical reports; automation of the fixed assets report; introduction and automation of CC report/forecast and temporary worker accruals; master data correction
• Beiersdorf (FMCG) – Interim Finance Manager (DE/SK): Transfer from the local finance department in Slovakia to the SSC Hamburg
• Trèves (Automotive) – Interim Plant Controller/Head of Finance & Controlling (CZ): Identification of weaknesses; implementation of controlling processes for the purchasing process (PR/PO/GR), payroll, energy costs, ICO accounting, CC reporting
• Hella Slovakia Signal-Lighting (Automotive) – Interim Head of Controlling (SK): 10% reduction of receivables open items; automation of reporting (Capex, Cost Center, Maintenance Costs); standardization and automation of inventory and receivables impairment
• Tunap Cosmetics (FMCG) – Interim Finance Manager (DE): Reduction of DSO by 21 days in four months; balance sheet cleanup (fixed assets, provisions, prepaid expenses); reduction of unprocessed invoices in the workflow by 1.2 million EUR during the annual closing; automation of impairments, controls and reporting
• Hanon Systems Autopal (Automotive) – Interim Finance Controller (CZ): Identification of weaknesses; automation of CC report and orders; automation of inventory and receivables impairment
• Drägerwerk (Manufacturing) – Interim Finance Controller (CZ): FI/CO management, process audit, investment incentives, accounting accuracy, SAP settings (FI/CO, MM)
• Maxim Chicken (FMCG) – Interim Head of Finance and Controlling (CZ): Introduction of new products for gastronomy with increased sales; introduction of cash flow forecasting; reduction of variable and fixed costs (raw materials, real estate leasing); successful veterinary inspection
• Trelleborg Automotive Czech Republic (Automotive) – Interim Plant Controller/Head of Finance (CZ); Carbody Czech Republic (Automotive) – Interim Plant Controller/Head of Finance (CZ): Accounting correction; company demerger with SAP split; introduction of cash flow forecasting; factoring
• Kantar Media (WPP Group, Media) – Interim Finance Manager (CZ): Automation of the US GAAP report; reduction of fixed costs (supplier contracts, personnel costs); implementation of standard processes; successful SOX audit; relocation of production

Engaged as an independent BI consultant for a FinTech SaaS platform, building and maintaining the end-to-end Microsoft Azure and Fabric analytics stack behind a multi-tenant accounting product used by business owners to track their own financial performance.

• Partnered with finance stakeholders to translate complex accounting workflows into real-time BI dashboards (P&L, Cash Flow, Balance Sheet), helping 2000+ business owners track cash flow and overall financial health effortlessly.
• Developed 10+ interactive dashboards, giving each business owner personalized, real-time visibility into their own sales performance, accounts receivable aging, and operational costs.
• Enforced strict enterprise data governance by implementing dynamic Row-Level Security (RLS) via DAX to isolate each business owner's data within the shared multi-tenant model.
• Maintained and extended an Azure ELT pipeline (Azure Data Factory, Azure SQL Database, Azure Synapse) that automated data ingestion and transformation.
• Contributed to a team-wide platform migration from Azure to Microsoft Fabric to optimize capacity licensing costs.
• Designed and implemented a Microsoft Fabric ELT pipeline (Lakehouse, Pipelines, PySpark) that automated data ingestion and transformation, replacing the prior Azure pipeline.
• Modeled cleansed data into a Star Schema within the data warehouse using T-SQL, powering the Power BI Semantic Model.
• Leveraged AI tools, including Copilot and Claude, as development partners across the entire ELT pipeline, from data ingestion to KPI reporting and visualization.
• Supported agile delivery processes, using Jira to track development tasks and Confluence to maintain technical and project documentation.