Trello Experts

• Supported monthly and annual closing activities
• Checked incoming invoices for formal and factual accuracy
• Posted incoming invoices
• Contact person for internal departments on accounting matters
• Created and maintained vendor master data
• Processed open items
• Took on additional accounting-related special tasks
• Managed the functional mailbox
• Performed payment runs

Training and knowledge transfer – Accounts Payable:

In addition to the tasks above, I was responsible for training and transferring knowledge to 8 employees of an external service provider in India who took over the accounts payable activities:

• Conducted structured training and practical guidance throughout the accounts payable process
• Trained employees in checking and posting incoming invoices, including formal and factual checks
• Taught vendor master data maintenance, open-item processing and payment runs
• Trained employees in using the functional mailbox and communicating effectively with internal departments
• Explained accounting procedures, controls and company-specific accounts payable requirements
• Conducted “Training on the Job” using practical posting cases and real business transactions
• Supported the team in independently carrying out accounts payable processes and resolving accounting questions
• Checked the quality and accuracy of work results and provided continuous feedback and coaching
• Supported the transfer of accounts payable processes to the external service provider and ensured structured knowledge transfer and an orderly handover
• Supported a smooth transition by documenting processes, clarifying responsibilities and ensuring consistent application of accounting requirements

Software: JDE, ELO, SAP Concur

• Fundamentals of electronics measurement, electropneumatic circuits & protective measures according to DIN-VDE
• Installation, wiring and commissioning of PLC-controlled Systems

• Industry: Insurance, Trade, IT
• Customers & Projects: Consulting and selling insurance and similar services
• Main tasks: Insurance consulting (health insurance, retirement planning, wealth building); commercial services, inside and field sales; sales data analysis and forecasting; customer consulting and support; opening a new sales headquarters for private and business customers; business development & innovation management; business use case development; process optimization; stakeholder management; team leadership and training; preparation and delivery of trainings;
• Technologies used: Microsoft Office 365, Microsoft Teams, Jira, Draw.IO, Camunda 8, Java (8, 17,21,25), Git, Spring Boot, Spring Batch, Spring Data REST, Spring Web, Spring Security, J-Unit, Playwright, Lombock, Vaadin, H2, PostgreSQL (16, 17 18), pgAdmin, Docker, LLMs, JasperSoft Studio, JasperReports

• Set up backend assistants, prompt engineering, customer communication, growth strategy

• Successful implementation of AI shopping assistants e.g. Thalgo.de

• Repaired a broken “ScrumBan” process, then established a pure Kanban system; increased output in the Kanban flow by 22% within four weeks

• Increased team autonomy and decision-making ability by implementing new decision strategies; resulting in up to 25% better outcomes

• Redesigned retrospectives (including one-to-one coaching and workshops), which led to consistent implementation of the resulting action items

• Intensive coaching of Product Owners (POs) to develop and support “Empowered Teams”, alongside leadership development to place agile frameworks and methods in a realistic context (“de-illusioning”)

• Supported change management processes to promote an agile company culture among management and teams, improving internal communication to increase transparency and effectiveness in agile processes

• Marketing consulting for the EDL@Home and Commodity (electricity & gas) business areas
• Development of data-driven marketing and sales strategies
• Definition and expansion of key channels (Web, App, Portal, Social, Paid, Sales Partners)
• Target, annual and budget planning for the EDL@Home business area
• Definition of business requirements for marketing platforms
• KPI-based performance management
• Development of dashboards to measure success
• Performance reviews with management
• Management of external service providers
• Stakeholder management between Marketing, Sales, IT, Customer Service and Management

• Writing the book chapter “Development of a Digital Business Model” for the Springer Gabler reference book “Practical Guide to Digital Management”.

• LLM-based features for automated CO₂e data extraction from unstructured documents (70% reduction)

• Agentic AI pipeline for automated Scope 3 emissions calculations with 150.000+ validated data records

• Intelligent API workflows for real-time carbon footprint calculations in ERP and ESG systems

• ML algorithms for predicting emissions hotspots and optimizing product design

• Automated data validation pipelines with NLP for quality assurance of CO₂e datasets

• Led a 15-person cross-functional team in developing 10+ AI features

• Strategic product planning and AI roadmap with 35% shorter time-to-market

• Stakeholder management with DAX companies (40% higher satisfaction, 95% retention)

• On-time project delivery with 95% budget adherence through data-driven backlog management

• Agile methods (Scrum, Kanban) with continuous AI/ML integration (25% increase in team velocity)

• Product-market fit for AI features through A/B testing and analytics (60% higher adoption rate)

• Worked as freelance Senior DevOps Consultant on-site for IBM at a European Union Agency, operating in a highly secure, air-gapped environment managing classified systems.
• Led automation and DevOps initiatives for a large-scale OpenShift platform (>400 nodes), driving deployment efficiency, GitOps adoption, and operational automation using Ansible, Python, and Bash while ensuring compliance with security requirements.
• Spearheaded automation of release and deployment workflows in a private cloud environment hosting 400+ OpenShift nodes, significantly improving deployment speed and reliability.
• Migrated existing playbooks, roles, and templates from Ansible Tower to Ansible Automation Platform (AAP), ensuring full compliance with fully-qualified collection names (FQCN) and preparing custom Execution Environments (EE) for containerized automation.
• Implemented GitOps Agent for AAP Controller Configuration as Code, enabling automated synchronization (CRUD) of Ansible Controller objects based on repository-stored configuration definitions using GitHub webhooks.
• Designed and automated complex multi-step operational workflows including environment cleanup, Helix cluster component re-creation, Kafka topic management, and OpenShift object lifecycle management across ~100 environments.
• Achieved a reduction of multi-day manual operations to under a few hours through automation improvements spanning multiple AAP clusters and OpenShift environments.
• Integrated Ansible Automation Platform with Thycotic (Delinea) Secret Server via lookup plugin to enhance secure credential management in automated processes.
• Managed deployment tasks, platform troubleshooting, and Istio network configurations while adhering to stringent EU PSC security and compliance standards.
• Collaborated with infrastructure and application teams to refine deployment procedures, develop naming conventions, and continuously improve automation coverage in an air-gapped, classified environment.

VALUE ADDED:

The structured analysis and further development of business requirements and processes is driving the modernization of contract administration in a focused manner. Complex business matters and dependencies are made transparent, optimization potential is identified, and transferred into scalable solution approaches that enable as much straight-through processing as possible. This creates clearer and more efficient processes as well as reliable decision-making and implementation foundations for business departments, architecture, and development.

• Development of business requirements and processes for the further development and modernization of contract administration
• Creation and further development of business concepts, process descriptions, and decision-making documents for implementing new and optimized processes
• Analysis of existing processes and identification of optimization potential to simplify and scale processes
• Structuring of complex business matters in a dynamic project environment to ensure transparency and traceability for all involved
• Identification and clarification of business dependencies and interfaces, especially in interaction with adjacent systems and departments
• Contribution to business target models and development of solution approaches for new, scalable processes that also enable straight-through processing
• Leadership and moderation of business workshops to coordinate and further develop requirements with internal stakeholders from business departments, architecture, and development
• Prioritization of business topics and requirements for targeted implementation
• Support with testing, reviews, and quality assurance, including the creation and coordination of business test cases to verify the implemented solutions
• Use of SharePoint and Kanban to document and manage tasks

• Planning and concept development for building a new business model, including structuring and implementing business processes.
• Coordination and management of external service providers as well as interface management.
• Introduction and implementation of new digital tools and processes to optimize operational workflows.

External communications, stakeholder and project management for the introduction of the new DGP business platform myDATEV (SaaS/Cloud)

Retained by the client as external advisory anchor following build-up and handover of the programme. I continued to serve as an external mentor/advisor to the internal programme manager, focusing on

• governance,
• risk and dependency management,
• stakeholder alignment,
• delivery discipline and
• change adoption.

Enterprise Agile Planning Platform

Key achievements:

• Introduced and promoted shift-left testing practices.
• Established and maintained QA metrics to track release quality and support data-driven decision-making.
• Reviewed Selenium-based automated tests, identifying coverage gaps and prioritizing improvements with the automation team.

Responsibilities:

• Managed QA activities throughout the release lifecycle, coordinating testing efforts and ensuring release readiness.
• Mentored and onboarded 10 QA engineers and fostered knowledge sharing.
• Conducted technical interviews and participated in candidate evaluation.
• Collaborated with stakeholders to improve quality practices.