SAP Experts in Hanover

• Designed and implemented comprehensive business processes, leading cross-functional teams to increase customer satisfaction and reduce costs
• Provided training and ensured benefits realization through end-to-end workflow development
• Contributed to the “Generate Insights from Hidden Knowledge” initiative by developing and deploying AI-driven workflow automation solutions using Large Language Models (LLMs) and low-code/no-code platforms
• Designed multi-agentic workflows integrating OpenAI, LangChain, Haystack, and n8n to automate document review, data extraction, and knowledge summarization processes
• Led the orchestration of AI and automation frameworks to enhance medical and business review processes, ensuring compliance, explainability, and transparency
• Collaborated cross-functionally to translate complex business requirements into AI-enabled automation prototypes aligned with enterprise compliance and data privacy standards
• Applied Power Automate, UiPath, Nintex, and ServiceNow to deliver rapid, scalable, and secure automation solutions within validated operational environments
• Leveraged Lean Six Sigma, Agile/SAFe, and ITIL principles to structure AI development pipelines ensuring measurable impact, auditability, and sustainable governance
• Managed cross-departmental collaboration to standardize workflows, reducing errors and enhancing task management. Established governance frameworks to ensure the sustainability of automation solutions

• Independently responsible for the design and cross-market rollout of a safety-relevant digitalization project for the centralized and transparent provision of vehicle and service data
• Developed an integration concept for existing IT and workshop sys...

SAP S/4HANA Implementation (Greenfield)

• SAP Finance Reporting
• VAT Reporting
• Foreign Plants
• Tax Calculation for SD/MM
• Z4/Z5 Reports
• Intrastat
• SAP DRC (E-Invoicing)

System: SAP

Industry: Manufacturing

Team: 10

• Took ownership of the full development lifecycle for various features, from design through coding, debugging, and production deployment, ensuring compliance with banking-grade reliability standards.
• Optimized SQL queries, reducing data-processing time by up to 50%, especially for large datasets handled.
• Developed and maintained automated tests using JUnit and Mockito.
• Utilized GitHub Copilot as an AI-assisted development tool to accelerate code generation, improve code quality, and increase development efficiency within the team.
• Resolved 90% of assigned production issues independently, often under tight deadlines, contributing to uninterrupted system availability.

• Billing software for the second-highest security authority of the Federal Republic of Germany
• Passed security clearance level 2
• Frontend and backend development
• Consulting on the introduction, design, implementation, and development of technical components
• Code reviews, component testing, module testing, group module testing
• Implementation of UI/UX design
• Used technologies: HTML, CSS/SCSS, JavaScript, Node.js, Vue 3, PrimeVue, Webpack, Vuex, Momentum, Jest, NPM, Lodash, Java 17, Spring Boot, Lombok, GraphQL, JUnit, Maven, Keycloak, Python, Docker, CI/CD, Kubernetes, Oracle SQL, Postman, Storybook, Microservices, Monorepo, Jira, Confluence, Scrum, GitLab, AWS, IntelliJ, Visual Studio Code, Neovim, XLSX, responsive Webdesign, BITV 2.0 (U.S. Section 508) / WCAG 2.2

• Managing the general ledger and subledgers as well as intercompany reconciliation for the subsidiary companies

• Report to the head of accounting/finance/controlling and handle ad hoc requirements from all accounting and finance departments in SAP 4, including advance payments, payment plans, master data updates, and intercompany reconciliation
• Manage payment regulators such as Nordwest and Eurobaustoff & EDE reconciliation, AVIS reconciliation, travel expense approvals and reconciliation with credit card statements, factoring reconciliation, payment blocks, etc.
• Support the annual audit and insolvency reporting

• Implementation and mapping of regulatory requirements (CSRD, ESRS) in Shiny dashboards and backend functions
• Design and development of data-driven modules in Shiny incl. ESG metrics and reporting templates
• Integration of data sources (SQL, SAP HANA, APIs, CSV/Excel) via DBI, odbc, httr and readr
• Creation of interactive visualizations with plotly, highcharter and DT (DataTables)

• Implementation of a financing and leasing system for Market NL (Miles / Miles MMP) from supplier Sofico

• Under the OZG framework, the annex services for the ID card – loss reporting and exemption from the ID requirement – are prioritized as a core service. The EfA online service was developed under the lead of Hamburg. The goal is the statewide roll-in at the ID card offices in Schleswig-Holstein.
• Overall responsibility for planning, control, and roll-in of the annex services
• Coordination between Dataport, the State of Schleswig-Holstein, and the municipal ID card offices
• Management of reuse contracts and integration with existing specialized procedures
• Conducting information sessions for the ID card offices
• Test management and phased go-live
• Rollout management, stakeholder management, OZG, EfA principle, FIM, reuse management

• Set up and manage complex project and rollout structures (SAP, cloud, portfolio) for large public sector programs
• Provide professional leadership to interdisciplinary teams (up to 30 people)
• Coaching and advising project and program managers
• Facilitation of national and international workshops and committees
• Set up and manage backlog, risk, and dependency management; meeting and agenda structures
• Lead cross-functional teams and facilitate steering formats
• Coordinate individual transformation projects across multiple broadcasters
• Use various project and portfolio management tools (ServiceNow, Planview, Cplace, Clarity, Jira, Confluence)
• Develop rollout scenarios; manage pilot and full-scale go-live
• Responsible for change and communication concept, as well as organizational training (train-the-trainer, key-user network)
• Central control and harmonization of rollout activities across five broadcasters; standardization of project management methods, risk management, and integration management

In this project, I support the software development of various modules of the supply chain management solution. My responsibilities include the technical implementation and optimization of collaborative SCM processes that help companies make their supply chains more efficient, transparent, and resilient. This modular software platform facilitates communication and Collaboration with suppliers is standardized and digitized, enabling seamless traceability of quality data and supplier evaluations. Technically, I focus on development with Go/Golang for scalable backend services and on the use of Kafka for real-time messaging and event processing. I design and extend GraphQL interfaces for efficient data communication between microservices and support automated build and deployment management using Docker and Gitlab CI/CD pipelines. Data is stored in the modules I work on using a PostgreSQL database.

Technical focus: Go/Golang, Kafka, GraphQL, Docker, Gitlab, CI/CD, DevOps, PostgreSQL, JIRA, Miro

• Provision of cross-system synthetic test data for test automation for insured persons, companies and external partners in coordination with specialist departments and stakeholders, taking requirements and test cases into account
• Synthesis of test data with regard to data protection and data security