UI Design Expert in Frankfurt

• Responsible for the concept, planning, and implementation of the product development of GetMyInvoices 2.0 and the subcomponent InvoiceRails
• Independent work on all aspects of the project, including concept, specification in tickets, and coordination of developers
• Creation, management, and prioritization of tickets to ensure all tasks are completed on time and with high quality
• Carrying out and/or coordinating tests and ensuring the proper implementation of the developed features and functionalities
• Close collaboration with developers to clarify technical requirements and ensure the implementations match the specifications
• Regular reporting on project progress and documentation of key decisions, changes, and risks
• Taking on the subject matter lead for all topics around e-invoicing and Peppol, especially in relation to the InvoiceRails component
• Internal consulting and knowledge sharing on e-invoicing and Peppol for other teams and departments
• Tracking market trends and new developments in e-invoicing and Peppol to continuously adapt the product strategy
• Ensuring the long-term scalability and flexibility of the products for future technical and regulatory changes in the e-invoicing area

Helping startups understand their users, turning ideas into products that reach PMF and are worth scaling. Partnering with agencies who need product expertise for specific projects.

• Established usability best practices that minimized design debt in early-stage product development.
• Supporting agencies as a senior product design partner for client projects.

• Customer Value Management
• Program & project management
• Digital transformation
• Business development
• IT integration, IT processes
• Change management

Part-time position in a federally funded research project

Created compelling visual design system for My Porsche Charging App, translating premium automotive brand DNA into digital interfaces serving 150,000+ luxury vehicle owners.

• Concept and UI design for cloud-based banking platforms and SaaS loan process automation, including AI-supported document validation.
• UX optimization of the loan application flow, expansion of the design system, and building a scalable white-label solution.

• Introducing 5 different process applications for various teams

• Release planning: scope and time management

• Resource/capacity planning

• Conducting sprint planning / retrospectives

• Increment planning (multiple sprints)

• Preparing steering committee meetings / reporting to the executive board

• Coordinating / aligning with external suppliers / deliveries

• Multi-project resource planning

• Aligning with the business unit and development team

• Identifying best practices with IBM BAW

• Cost control and planning for the project team and external service providers

• Collecting KPIs using LogScale

• Analyzing application errors with LogScale / queries

• Defining user stories / aligning requirements with the business unit and development team

• Testing and defect tracking

• UI/UX design of the application

• Preparing and facilitating brown-paper workshop

• Test concept, test data, test organization, test execution

• Recording team velocity / metrics

• Executing tests

• Scripts for automated testing

• Organizing tests with the business unit and IT

• Recording and prioritizing defects

• Setting up and operating the application

• Setting up application monitoring with LogScale dashboards

• Checking health endpoints with PowerShell

• Post mortem analysis

• Setting up incident management

• Setting up problem management

• Analyzing errors using LogScale queries and dashboard

• Pre-processing data for AI

• Conducting evaluation with AI language models (Meta Llama 3.3 LLM and deepset Haystack) and RAG

• Installing runtime environments for LLMs (large language model)

• Evaluating various LLMs

• Installing RAG (retrieval augmented generation) and integrating with LLM

• Extracting unstructured data with LLM and RAG

• Project based on IBM BAW (Business Automation Workflow), WebSphere Liberty, Domea, d.3, REST, LogScale (formerly Humio), Swagger, PowerShell, JIRA, Confluence, Lucom Interaction Platform (LIP), Mattermost, Jabber

• Main developer in an online retail company
• Built an online shop using the Next.JS React framework
• Integrated the site with dozens of third-party apps using REST and GraphQL APIs
• Built a backend for order management, warehouse management (with iPhone app), and supply management
• Automated invoicing and finances with QuickBooks

• Development and implementation of backend components with PL/SQL and Oracle Forms 12c. Adaptation and further development of the policy administration system. Technical consulting in UI design with a focus on integrating existing Oracle Forms and the requirements of the BIPRO framework.
• The project takes place in the technical environment of BIPRO, SQL databases and Oracle Forms applications. The assigned work includes backend development and technical further development in the above project with the following tasks:
• Development and implementation of backend components with PL/SQL and Oracle Forms 12c to technically map the business processes and ensure a stable and efficient system architecture
• Adaptation and further development of the policy administration system to ensure system functionality in line with the requirements of the new broker communication program
• Analysis of the existing system to identify and avoid errors and technical problems during implementation, in order to enable a smooth transition to the new system
• Carrying out patching and further development of existing Oracle and Oracle Forms applications to ensure compatibility and security of the systems in use
• Technical consulting in UI design with a focus on integrating existing Oracle Forms and the requirements of the BIPRO framework.

Label: PL/SQL, Java, Oracle RDBMS and Oracle Forms

• Testing the SekIDP and related components
• Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript

• Led 5+ CEO-facing workstreams across GTM, partnerships, fundraising, Uzbekistan expansion, marketing delivery, and backbone planning; turned priorities into action plans (owners, timelines, reporting).
• Ran weekly exec reporting: status, risks, decisions needed, and next steps across workstreams.
• Led cross-functional teams of 4-8 (design, marketing, project contributors) to deliver investor- and partner-ready materials on accelerated timelines.
• Helped secure a government-level MoU in Uzbekistan through stakeholder relationship building and negotiating a mutually beneficial project plan.
• Supported fundraising towards a €10M+ target: maintained model assumptions, prepared pitch/diligence materials, and supported investor Q&A (10 qualified investor meetings).
• Represented company in high-stakes external meetings with government officials, institutional partners, and strategic stakeholders.
• Managed external vendors (design/marketing) with €75k+ spend; tracked deadlines, flagged risks early, and fixed issues to keep delivery on track.

• Involved in the full development lifecycle, including design, coding, testing, and deployment of Java-based applications.
• Built and maintained high-performance RESTful APIs and microservices, ensuring scalability and reliable data exchange.
• Practiced code reviews, used version control systems (e.g., Git), and collaborated closely with cross-functional teams to deliver robust software solutions.
• Implemented, managed, and optimized complex business logic and decision-making processes using the Drools Rules Engine, leveraging DRL (Drools Rule Language) for dynamic configuration.
• Developed software solutions for a major service provider in the healthcare insurance sector, specifically focusing on claims processing and reconciliation logic to ensure cost-effective reimbursement for health funds.

• Implementation of business transaction layouts for the online banking UI in compliance with BITV (accessibility)
• Technologies: JavaScript, jQuery, LESS

• Designed and implemented a comprehensive visual design system for the My Porsche Charging App, ensuring consistent premium brand representation across all digital touchpoints.
• Translated Porsche’s luxury automotive brand DNA into modern, scalable digital interfaces for over 150,000 active users.
• Developed UI components and interaction patterns optimized for mobile-first usage and cross-platform consistency.
• Collaborated closely with product owners, UX researchers, developers, and brand stakeholders to align visual design with business and brand goals.
• Ensured high usability standards while balancing brand aesthetics, performance, and accessibility requirements.
• Contributed to continuous improvement of the design system through iterative enhancements and feedback-driven refinements.