Business Intelligence Expert in Cologne

Project: Introduction of statutory-compliant electronic invoicing (outbound, Germany) in SAP for an international technology group.

• Project management: Planning, steering and reporting of the E-Invoicing outbound rollout across all affected business areas, including budget and resource coordination.
• UAT: Structured user acceptance test with key users per business area, test cases per invoice scenario, and consolidated test results for decision making.
• Defect management: Handover and tracking of defects in Jira, including validation of the generated invoices against the statutory schemas.
• Cutover, go-live and hypercare: Readiness checks and cutover planning aligned with the statutory deadlines, coordination of go-live and stabilization during hypercare.
• Stakeholder management and reporting: Alignment with Finance, Tax, business departments and IT, preparation of status reports and decision papers, and consistent follow-up of open items.
• Change management and documentation: Communicated process changes to the business departments, enabled key users, and created process and compliance documentation to ensure traceability and audit readiness.

• Overall responsibility for platform transformation across ERP, CRM, PIM and AI-supported process automation
• ERP transformation: Introduction and migration to Microsoft Dynamics 365 Business Central
• CRM & Growth Stack: Implementation of HubSpot as the central CRM and platform for lead and marketing automation
• Product data & Commerce Enablement: Introduction of an ePIM to scale Category Management and digital Commerce processes
• AI-supported process automation: Design and introduction of agent-based AI workflows to automate processes in Business Services, Accounting, Tender Management and Marketing
• Building a scalable platform organization consisting of Product Development, DevOps, UX, Cloud Engineering and Corporate IT
• Introduction of modern product and portfolio governance (e.g. OKRs, portfolio boards, value-based roadmaps) to manage technology-driven initiatives
• Harmonization of heterogeneous system landscapes and transformation into a modular, scalable platform architecture (ERP, CRM, PIM, integrated customer journeys)
• Coaching and development of Product Owners, Tech Leads, Delivery Managers and UX teams in building a scalable product organization

• Managed end-to-end data workflows for LCA and carbon footprint assessments, including data collection, validation, structuring, and LCI modeling for metal alloys, ensuring high data quality and traceability.
• Developed a basic Excel automation tool to simplify carbon footprint calculations of metal alloys, replacing repetitive modelling in the software that previously took several hours.
• Communicated environmental impact results through quantitative analysis, visualizations and reports to support the broader project strategy.
• Performed environmental hotspot and scenario analysis to identify key impact drivers and assess opportunities for emissions reduction.

• Developed and implemented the overarching marketing strategy to increase brand awareness, lead generation and customer retention, closely aligned with sales and product.
• Strategically expanded market presence in Scandinavia, Belgium, Switzerland, Austria, the Netherlands and France, including country-specific communications activities.
• Established and optimized a CRM-based funnel and lead process, including the definition of KPIs, performance reporting and continuous optimization measures.
• Planned, managed and analyzed cross-channel campaigns across SEA/Google Ads, SEO, social media, email/newsletters, events, website and landing pages, as well as conversion optimization of information architecture and user journeys.
• Developed sales-supporting content such as whitepapers, case studies, newsletters and website content, and managed press and public relations as the primary contact, including for Handelsblatt.
• Built and professionally managed the marketing team with a designer and working student; briefed and managed external agencies and service providers and was responsible for a six-figure marketing budget.

• Structured analysis and evaluation of business processes

• Gathering, documenting, and prioritizing requirements

• Creating business-friendly and technically executable process models

• Use of Camunda tools

• Deriving requirements and interfaces from BPMN diagrams

• Coordination with stakeholders and business units

• Translating business requirements into technical solution designs

• Implementing efficient and tailored applications

• Systematic collection, analysis, and documentation of requirements

• Prioritizing and validating requirements in close collaboration with stakeholders

• Alignment between business and development to ensure shared objectives

• Creating use cases, user stories, and acceptance criteria

• Continuous requirements and change management throughout the project lifecycle

• Define project goals and create project plans

• Delegate tasks and monitor project progress

• Monitor budgets and inform stakeholders

• Mendix: Architecture, development, and maintenance of custom applications (Microflows, Domain Model, Security, XPath)

• Modeling Mendix workflows for process optimization

• Develop scalable apps with Mendix including REST/SOAP integration with SAP, SQL, Azure & SharePoint

• UI design for Mendix using Atlas UI, Fluent UI, HTML, CSS, JavaScript

• Develop web & mobile apps with Mendix using agile methods (Scrum, Kanban)

• Implement business logic with Mendix Microflows and Nanoflows

• Performance optimization and architecture improvements for Mendix applications

• Conduct Mendix training

• Create technical documentation and best practices for Mendix

• Coaching and mentoring for low-code development with Mendix

Architected and maintained data products for renewable energy operations, covering wind turbine, grid-meter, and weather data. Built scalable ETL/ELT pipelines in Azure Databricks using Delta Lake (bronze/silver/gold layers) and processed data in various formats, including structured and semi-structured data. Contributed to a data quality framework supporting table and column documentation, outlier detection, and completeness metrics across all datasets within a data product. In addition, implemented a DORA KPI Databricks dashboard used across all data products. Optimized CI/CD processes in Azure DevOps to streamline deployment across development, test, and production environments.

Technology stack: Azure Databricks, PySpark, SQL, Delta Lake, Unity Catalog, Azure Data Lake, APIs, Dremio, Azure DevOps, YAML, Git, Databricks Workflows, Application Insights, Terraform, OpenAI API, Codex, LLM-assisted workflows

• Supporting clients in operational & strategic marketing, portfolio shaping, commercial strategy, BD and storytelling across TAs
• Delivering go‑to‑market strategies, launch execution, and cross‑functional alignment
• Providing interim leadership in complex matrix environments

• 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.

• Designed enterprise-wide AI strategies and structured the related workshop formats for business and leadership teams as a shared basis for AI investment decisions
• Integrated EU AI Act regulatory requirements into AI governance frameworks with clearly defined roles, committees, and decision-making structures
• Established two internal consulting offerings—one for prioritizing AI use cases and one for integrating data and AI governance—which are now a regular part of the consulting portfolio
• Assessed business value for AI initiatives and investment decisions using transparent criteria

TenneT is the largest transmission system operator and largest private bond issuer in Germany. With more than 5,000 employees and a transmission network of more than 15,000 km, TenneT connects more than one third of the European Union's total offshore wind capacity. With an annual investment volume of more than 12 billion euros, TenneT is a key player in Germany's energy transition.

• Consulting and operational support for the Controlling department
• Management of the new planning process following the entry of new international investors
• Implementation of new reporting requirements after closing

Industry: digital sovereignty, public sector

Responsibilities:

• Project coordination (teams: consulting, development, testing, deployment/operations)

Products and standards:

• Jira, Confluence, Asana, Miro, Mural
• Open Source, Keycloak, Open Xchange, ownCloud

Project: Digitalization of Warehouse Processes | Building a Data Analytics Platform.

• Built a web-based workforce allocation system that digitized daily shift planning by matching worker expertise to operational zones, replacing manual coordination with a structured workflow adopted across the site, saving supervisors time on daily planning.
• Developed a real-time operational visibility dashboard giving supervisors a live view of task throughput and outstanding workload across warehouse zones throughout the day, helping reduce overtime and idle labour costs.
• Developed a slotting optimization solution to improve warehouse picking efficiency and reduce picking time per order, working directly with operations teams from concept through production deployment.

Technologies used: Python, Django, PostgreSQL, Pandas, NumPy, HTML, Java, JavaScript, Docker, Kubernetes, AWS, Power BI, GitHub Actions CI/CD, GitOps, Claude, OpenAI

• Automation of the database major / minor releases for the TKeasy project

• Concept for database major / minor release automation

• Assessment of the current state

• Evaluation of Redgate Flyway functionalities

• Concept development

• Products: Redgate Flyway, GitHub, Quest, Erwin Data Modeller, Oracle, Atlassian Jira, Atlassian Confluence

• Knowledge: Docker, Continuous Delivery, Continuous Integration, Redgate Flyway, Major Releases, Minor Releases

• Client: STROTH Telecom GmbH (formerly Tele2 Comm. Services GmbH), Business Development B2B / B2C

• Development of Growth & GoToMarket strategy for new products

• Content strategy for brand relaunch

• Selection and set-up of Marketing Automation Solution

• Conceptualization and marketing of whitelabel mobile communications solution

• Project management for partnerships with WEtell and ENTEGA Mobilfunk

• Client: S-Communication Services GmbH (Sparkassen Finanzgruppe), Project Management IAM (Integrated Communication Management)

• Analysis of current product portfolio

• Market analysis Banking & Finance

• Identification of adjustment needs for medium-term planning

• Formulation of IAM vision

• Client: ERGO Group AG, Sales Promotion

• Activation of sponsorship partnership with Deutscher Fußball Bund (DFB)

• Media partnerships

• Social media communication

• Support for sales partner network

• Client: E.ON SE, Innovation Domains / Strategy & Innovation

• Coaching on business case development (individual / teams)

• Training in Key Financials (NPV Calculation) / Scenario Planning

• Development of sales strategies for innovations

• Teaching storytelling skills

• Development of templates

• Target KPI Alignment / Metrics (Portfolio Performance)