User-Centered Design Experts in Berlin

I served as the Lead Designer for two cross-functional teams at Casavi, a software platform for property managers. Casavi is a central platform for all aspects of digital property management, which streamlines operations and business processes.

SmartTask: The team focuses on ticket management, workflow automation, AI integration, enhancing communication between property managers and their clients.

Customer app/portal: The team is dedicated to fostering community engagement among residents of managed properties. The customer portal in combination with the Casavi app solves the challenges for property and facility managers.

My role spans the full design lifecycle, covering UX/UI design, user research, usability testing, and strategic design planning, across Casavi's web platform, mobile app, and customer portals. Each team comprises around 10 members, including a project manager, designer, developers, and QA testers. I am also responsible for the accessibility assurance of the whole product.

Design unit role: In addition to my core responsibilities, I actively contribute to the development and maintenance of the company's design system and style guide ensuring consistency and scalability across all products. Mentor junior designers is my official and moral responsibility.

Driving AI model quality at scale — evaluating prompt-response accuracy, flagging edge cases, and maintaining SLA-compliant workflows across distributed global teams.

• Analyse AI prompts and side-by-side model outputs to assess response quality, factual accuracy, relevance, consistency, and compliance with project evaluation guidelines.
• Perform fact-checking, data validation, troubleshooting, issue identification, and edge-case review to improve quality standards across AI training support workflows.
• Use Google Sheets, Google Docs, and browser-based tools to document findings, maintain evaluation logs, track issue patterns, and support workflow optimisation in a remote environment.
• Create clear written justifications, review summaries, and KPI-oriented reporting focused on accuracy, turnaround time, documentation completeness, defect identification rate, and SLA adherence.

• As UX Manager and UX Team Lead, my focus is on creating the conditions for excellent UX design – not only by improving results, but also by investing in people, culture, and systems. I am convinced that sustainable UX design comes from a combination of autonomous teams, clear rituals, and a shared vision of product and user value.

• My job is to enable successful UX design within a company. This includes setting up and growing the UX team, establishing a design system, designing design processes, defining and developing UX maturity and UX culture within the company, and developing strategies that combine business requirements and user experience design.

• Consulting and conceptual support in UX and product topics (project-based)

• Deepening strategic topics: UX Strategy, Organizational Design, UX Maturity

• Market and role orientation with a focus on Head of UX / UX Leadership positions

Established legal and financial services provider building a new digital business area for incorporation, tax, and compliance services.

• Developed and launched the service offer as segmented service and pricing packages in under 5 months.
• Designed a seamless digital user experience from ad click to landing pages and ordering flow through to completion.
• Worked out the strategic direction with the business unit lead and management board and managed execution in a team of five.

Helping product organizations to grow and scale business by creating digital products customers love.

• Built an MVP and launched a new business line of long-term e-scooters rental at Nordic and German markets for TIER Mobility.
• Reorganized and led product team; launched and scaled deposit warranty service; improved subscription pricing performance; smoothly handed over duties to hired PMs for ImmobilienScout24.
• Ideated and launched Marketplace product for the biggest telehealth service in the US; discovered and validated multiple Marketplace addons; launched live interpreter and whiteboarding services for major medical institutions for Doxy.me.
• Established the growth framework and processes in a Series A B2B Fintech start-up for VAI Trade.

• Concept and implementation of data-heavy platforms for enterprise customers
• Design of complex AI-based interactions (chatbots, voice control, semantic search)
• Stakeholder management with more than 10 participants in cross-functional teams
• User research: interviews, usability tests, value validation
• Definition of quality metrics and execution of value analyses

Tools & methods: Figma, Adobe XD, Miro, Chat GPT, Claude | Scrum, Kanban, SAFe, Lean UX

Selected clients: VW Group, Volkswagen, BMW, Cariad, ABUS, Gieseke & Devrient, Hamburg Senate Chancellery, German Red Cross, Deutsche Bahn, Immoscout24, Relynk

AI • Enterprise SaaS • Product Strategy • Product Discovery

Led product design for enterprise SaaS, AI-powered and customer-facing products.

• Defined product strategy from discovery to delivery
• Designed complex workflows, design systems and scalable UX
• Led UX research, product discovery and stakeholder workshops

• Immersed myself in all aspects of sustainable construction, including planning and coordinating specialist tradespeople.
• Performed extensive hands-on work using sustainable materials and traditional craftsmanship, including clay interior finishing.
• Managed timelines, budget, and all key decisions, bearing responsibility for the consequences of any mistakes.

• Led and executed complex change and transformation projects, focusing on HR transformation and cultural change in public sector organisations (e.g., BAMF, bpb, DAkkS).
• Designed and facilitated change workshops and leadership development programs to drive adoption and successful implementation of change initiatives.
• Collaborated with executives and stakeholders to analyse requirements, define objectives, and develop tailored transformation roadmaps, including communication strategies and performance monitoring.
• Supported business development by identifying and developing new opportunities in digital transformation initiatives.

• Developed a Flutter app for eID ID card logins
• Focus: Flutter, iOS, eID, AusweisAppSDK, Mason, Keycloak, Agentic Coding, Arc42, Jenkins

• Holds an advisory role in this startup on providing guidance on use of AI in product management to use Jira AI
• Working on real-world applications of AI tools like ChatGPT, Visual Studio, Augment, and Synthesia to enhance product management and user communication

• Established and streamlined business development and sales processes, including implementation of CRM systems, marketing strategies, and search engine advertising

• Expanded market reach through targeted outreach efforts

• Implemented effective B2B marketing strategies to enhance brand visibility and product reach

• Developed a strong sales pipeline focused on long-term relationship building and customer retention

• Played a key role in the product development lifecycle from ideation to execution, ensuring compliance with market demands and regulatory standards

• Led medical and technical teams to drive product development and company growth

• Providing consulting services for Turkish clients planning to move to Germany (work, study, and family reunification visas).
• Preparing personalized immigration strategies, document checklists, and digital handbooks.
• Supporting clients with CV and motivation letter preparation in line with German standards.
• Managing email marketing automation, newsletter workflows, and audience segmentation to increase client engagement.
• Designing and maintaining CRM integrations between Wix, HubSpot, and Zapier for automated client onboarding and follow-up.
• Handling sales operations, including deal and support pipelines, workflow automation, and client relationship tracking within HubSpot.
• Managing invoicing and budget tracking via Lexoffice, ensuring accurate reporting and financial transparency.
• Developing and optimizing digital funnels, landing pages, and online courses for lead generation and conversion.
• Overseeing content creation and performance marketing campaigns on Instagram, YouTube, and Google Ads.