Oliver Kierepka-Senior Product Designer | AI-Native UX/UI Designer | Design Systems | Human-Centered AI
Check rate
Experience
Founder & Manager
ThinkForm Studio – AI Product Design & Innovation
Designing AI-native digital products by combining product strategy, UX research, interaction design, software engineering, and modern AI workflows. Leading projects from discovery to implementation while integrating AI throughout the entire product development lifecycle.
Key responsibilities
- → Product discovery, stakeholder workshops, Jobs-to-be-Done and user research
- → User journey mapping, information architecture and interaction design
- → Wireframes, high-fidelity UI, prototypes and scalable design systems in Figma and Penpot
- → AI-assisted interface generation and rapid concept exploration using Figma AI, Figma Make and generative design workflows
- → Design-to-code workflows with AI-supported frontend generation and engineering collaboration
- → Building accessible interfaces following WCAG 2.2 and enterprise design standards
- → Usability testing, iterative validation and KPI-driven product optimization
- → Development of AI knowledge systems, MCP-powered design workflows and human-in-the-loop review processes
- → Close collaboration with engineering teams to ensure production-ready implementation
Local Leader Cologne
Interaction Design Foundation
Building and nurturing a local UX community by organizing meetups, workshops, and events that foster collaboration, professional exchange, and continuous learning. Creating sustainable networks and spaces for knowledge sharing among designers and UX professionals.
Senior User Experience Designer
Mercedes Benz
Designed user experiences and interfaces for complex enterprise applications across production, sales, and after-sales domains. Created high-fidelity UI concepts, interactive prototypes, and scalable design components in Figma. Facilitated user interviews and usability tests, translated insights into actionable design improvements, and contributed to the evolution of cross-product design systems and DesignOps processes.
User Experience Designer / Frontend Developer
Mercedes Benz
Designed and implemented user interfaces for customer service applications by combining product design and frontend development. Created wireframes, user flows, prototypes, and production-ready UI specifications in Figma. Developed and maintained design system components and collaborated closely with product owners, developers, and stakeholders throughout the delivery process.
Frontend Developer & UI Designer
Rhenag
Designed and implemented new features for a large intranet platform using Angular and TypeScript. Created and maintained a scalable design system and component library, ensuring visual consistency and an improved user experience across the platform.
Workshop 'Web-Engineering for kids'
Hackerschool Hamburg
Designing and delivering hands-on workshops for children and teenagers, introducing basic concepts of web engineering and software development in an easy-to-understand and engaging way.
Frontend Developer & UI Engineer
Rewe Digital – Rewe Group
Developed and maintained frontend applications in a microservice environment for one of Europe's largest retailers. Worked closely with designers and product teams to implement responsive interfaces, improve user experience, and build reusable UI components and design patterns.
Founder
Melmac Digital
Designing UX/UI concepts and prototypes for an Angular-based insurance broker application and contributing to the development of an optical measurement device for the medical sector, covering both conceptual and technical aspects.
User Experience Designer
Cheil Germany
Designed digital products, interfaces, and UI style guides for international clients across mobility, finance, consumer electronics, and the public sector. Created user journeys, wireframes, prototypes, and high-fidelity interfaces, and facilitated workshops to align business goals with user needs.
Interface Designer
Buck Mulligan
Designing screen and interface concepts for a high-end concierge service, including questionnaire design, conversion optimization, and the creation of conversion-focused landing pages. Supporting managing directors in developing presentations and pitch decks for client acquisition and partnerships. Designing UI concepts for the Deutsche Post website, with a focus on clarity, usability, and conversion-oriented user flows.
UI-Designer and Web-Development
Die PR-Berater
Designed and developed responsive websites and applications, producing wireframes, mockups, and interface concepts with a strong focus on usability, accessibility, and mobile-first design.
Designer & Web-Developer
Oliver Kierepka Communicationdesign
Delivering end-to-end digital solutions covering concept, design, and implementation. Developing hybrid apps, web applications, and CMS-based systems with a strong focus on accessibility, maintainability, and technical quality, while providing author training and long-term system support.
Screendesigner & Frontend Developer
agentur es.
Screen Design and Frontend Development of Corporate Websites, Landing-Pages and Microsites.
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Professional Services, Automotive, Retail, Education, and Banking and Finance.
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Research and Development, Project Management, Operations, and Customer Service.
Summary
Product designer with a strong track record creating intuitive, scalable, and accessible digital products across enterprise software, SaaS platforms, and consumer applications. Strong expertise in UI design, interaction design, design systems, prototyping, and translating complex requirements into high-quality user interfaces. Experienced in collaborating closely with engineers and product teams to deliver production-ready designs and ensure design consistency from concept to implementation.
Skills
Product Design
- Product Strategy
- Ux/Ui Design
- User Research
- User Journey Mapping
- Service Design
- Design Systems
- Design Tokens
- Accessibility (Wcag 2.2)
- Usability Testing
Ai Design
- Ai-Assisted Product Design
- Human-Ai Design Workflows
- Figma Ai
- Figma + Make
- Prompt Engineering For Design
- Mcp (Model Context Protocol)
- Design Systems
- Ai Prototyping
Tools
- Figma
- Cursor
- Claude Code
- Github Copilot
- Openai Apis
- Anthropic Claude
- N8n
- Mcp Servers
Technical
- Html & Css
- Typescript
- Angular
- React
- Next.Js
- Storybook
- Rest Apis
Languages
Education
University of Applied Sciences Düsseldorf
Bachelor of Arts · Communication Design · Düsseldorf, Germany
Vocational college, Iserlohn
Technical design assistant and digital media designer, technical diploma · Iserlohn, Germany
Certifications & licenses
Data Driven Design: Quantitative Research for UX
Interaction Design Foundation
Design Thinking: The Ultimate Guide
Interaction Design Foundation
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
Frequently asked questions
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Daily Rate Distribution
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Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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