Dieter M.
Design System Architect, UI Designer
Experience
Design System Architect, UI Designer
hvv switch
The MaaS mobility app for Hamburg, car sharing, ride-sharing and scooter sharing. 1,000,000+ downloads, 4.5 stars rating.
- Developed Design System for HVV Switch app in Figma
- Based on wireframes from UX team
- Applied Atomic Design Principle
- Created design tokens
- Conceived workflows for handing over designs to dev team
- Conception
- Expanded Design System with new patterns and components
- Consideration of accessibility
UI/UX/UR Specialist for App Development
Signal Iduna
A major German insurance and financial services group with over 100 years of industry experience
- Specialized in User Interface (UI), User Experience (UX), and User Research (UR) for mobile application development
- Designed and implemented user-friendly and visually appealing interfaces
- Conducted extensive user research to inform design decisions and improve user satisfaction
- Collaborated closely with development teams to ensure seamless integration of design elements
- Focused on creating inclusive and accessible experiences for all users
App UI Designer, Design System Specialist
Techniker Krankenkasse
TK App, health insurance app: streamlining healthcare management
- Development components of a design system for a user-friendly mobile application that simplifies administrative tasks
- User Flows and customer journeys
- Reduced paperwork and saved time for over 5 million users
- Implemented various features enabling convenient healthcare management via smartphone
- Achieved high user adoption rates, demonstrating the app's effectiveness and value
Product Development, UI-Design, Team Lead / UI/UX designer / Product Developer
weed.de
The website weed.de offers comprehensive information and services relating to medical cannabis in Germany.
- Research and competitor analysis
- Conception, project strategy and direction
- User Flows and customer journeys
- Design System with Design Tokens in Figma
- User tests and improvements
- Branding and Design
UI Designer, Design System Specialist
Axel Springer Verlag
A leading German digital media company, known for its transformation from traditional print publishing to digital media
- Contributed to the design system of a highly successful news app with over 5 million downloads, Android and iOS
- Optimized user interface for improved organic visibility and higher conversion rates
- Designed features for timely news updates and comprehensive content delivery
- Implemented UI solutions for exclusive content access (BILDplus articles)
- Created engaging interfaces for sports content, including Bundesliga highlights and live ticker
- Balanced user experience with monetization strategies through strategic ad placement
- Addressed user feedback to continually enhance app functionality and features
- Developed animations using After Effects and Lottie
UI/UX/UR Specialist for E-Commerce
TAKKT AG
A leading B2B omnichannel distributor for business equipment in Europe and North America.
- Conducted UX research and user testing to inform design decisions
- Created wireframes and prototypes using Figma for iterative design process
- Developed and maintained design system for consistent user experience
- Implemented frontend designs using HTML5, CSS, and JavaScript
- Collaborated in an Agile environment to deliver user-centered solutions
- Managed design elements for high-traffic website (500K+ monthly visitors)
- Ensured seamless user experience across multiple platforms and devices
- Utilized prototyping to validate design concepts before development
- Contributed to continuous improvement of user interface and interactions
UI Architect / Design System Specialist / Frontend Developer
B/S/H/ Hausgeräte GmbH
A leading global home appliance manufacturer, known for its high-quality products and digital services.
- Developed and implemented new multi brand design system
- Migrated design system from Sketch to Figma
- Created UI designs, design tokens, and pattern library
- Conducted prototyping, user testing, and A/B testing
- Performed external system analysis to inform design decisions
- Provided design consulting services
UX Architect / Lead
Vattenfall
Vattenfall is a leading European energy company, founded in 1909 in Sweden, that produces and distributes electricity, heat, and gas with a strong focus on transitioning to fossil-free energy sources across its operations in multiple countries.
- Applied design thinking methodology to test and refine business ideas for ENPURE, Vattenfall's eco-friendly energy service
- Created interactive prototypes and wireframes using Sketch
- Conducted user research and analyzed behavior using Hotjar and Google Analytics
- Utilized various prototyping tools to rapidly iterate designs
- Performed external system analysis to inform design decisions
- Implemented user-centric design principles to enhance app functionality and user experience
- Contributed to the success of ENPURE app, achieving over 5 million downloads
- Optimized user interface for improved organic visibility and higher conversion rates
Product Owner - Product Development for E-Commerce
MediaSaturn
MediaMarktSaturn Retail Group is Europe's largest consumer electronics retailer, combining the MediaMarkt and Saturn brands, with over 1,000 stores in 17 countries and a strong focus on omnichannel services.
- Led the development and implementation of a pattern library for e-commerce platforms
- Planned and managed user stories, prototyping, and user testing processes
- Conducted A/B testing to optimize user experience and conversion rates
- Developed detailed reports on user tests and performance metrics
- Applied atomic design principles to create scalable and reusable components
- Collaborated with design and development teams to ensure seamless integration
- Utilized tools such as Sketch, Pattern Lab, Principle, and Zeplin for design and prototyping
Frontend Lead
BMW AG
BMW (Bayerische Motoren Werke AG) is a multinational company known for producing luxury vehicles, motorcycles, and engines, with a reputation for high-performance and innovative automotive technology.
- Spearheaded frontend development for BMW's global website
- Managed and mentored a team of frontend developers
- Created and maintained a comprehensive pattern library for consistent user experience
- Implemented and oversaw user testing processes to optimize site performance
- Utilized Test & Target for A/B testing and personalization strategies
- Developed user stories and personas to guide design and development decisions
- Conducted external system analysis to inform integration strategies and improve site architecture
- Collaborated with UX/UI designers and backend teams to ensure seamless user experiences
- Implemented best practices for web accessibility and responsive design
- Utilized modern frontend technologies and frameworks to enhance site performance
Developer & Frontend Track Lead
Audi AG
Audi is a luxury automotive manufacturer, producing premium vehicles and part of the Volkswagen Group since the 1960s, with a strong focus on innovation, design, and performance across its global operations.
- Led a team of 5 frontend developers for Audi's corporate website and motorsport division
- Managed project setup for frontend and backend systems
- Oversaw budget responsibilities and resource allocation
- Conducted technical project management using Jira and Confluence
- Developed frontend components and implemented responsive designs
- Liaised with external design agencies to ensure cohesive user experiences
- Performed external system analysis to optimize integration and performance
Manager Interactive Development
Henkel
Henkel is a German multinational company, specializing in adhesives, beauty care, and laundry products, with leading brands like Loctite, Persil, and Schwarzkopf
- Contributed to the development of a centralized digital business platform for 30+ brands across 40 countries
- Designed user interfaces for personalized customer experiences across multiple touchpoints
- Implemented UI solutions for integrating content, marketing, and data in a unified brand communication system
- Created user-friendly interfaces for e-commerce and digital marketing initiatives
- Developed UI components for real-time, data-driven personalization using Adobe Experience Cloud
- Designed interfaces for microservices integration and pattern library implementation
- Conducted user testing to optimize interfaces for improved organic visibility and conversion rates
- Utilized Adobe Experience Manager, Analytics, and Real-Time Customer Data Platform
- Contributed to the successful launch of 300 web domains within two years
- Applied design thinking to accelerate time-to-market for digital offerings
Product Development, UI-Design, Team Lead
Jaeger-LeCoultre by Richemont
Jaeger-LeCoultre is a renowned Swiss watch manufacturer that has been producing high-quality luxury watches with innovative complications and exquisite craftsmanship since 1833. Jaeger-LeCoultre has been fully owned by the Swiss luxury goods group Richemont since 2000.
- Led the relaunch of jaeger-lecoultre.com as Track Lead
- Managed a team of 6 frontend developers across Munich and London
- Oversaw frontend project setup and budget
- Provided technical project management
- Ramped up and guided 11 developers in India
- Successfully delivered a high-profile website relaunch for a luxury watch brand
- Implemented efficient workflows and best practices
- Fostered collaboration between international development teams
- Ensured project adherence to budget and timeline constraints
Senior Frontend Developer
Sky
Sky Deutschland GmbH is a German media company and subsidiary of Comcast-owned Sky Group that operates a direct broadcast satellite Pay TV platform in Germany, Austria, and Switzerland, offering a variety of basic and premium digital subscription television channels
- Developed responsive and visually appealing user interfaces using HTML5 and SASS
- Created dynamic web animations to enhance user engagement and site interactivity
- Provided expert consulting services on frontend development best practices
- Collaborated with design teams to implement pixel-perfect layouts
- Utilized Adobe After Effects to create complex animations for web applications
- Employed Photoshop for image editing and asset creation in web projects
- Implemented interactive features and functionality using JavaScript
UX/UI Designer
Deutsche Post DHL
A leading global logistics and postal services company with over 2.5 million customers around the world
- Designed user interfaces for web, focusing on usability and user experience
- Extended and maintained the company's design system
- Created comprehensive documentation for design processes and guidelines
- Produced instructional and promotional videos to support user adoption
- Create high-quality UI/UX solutions in Figma
Summary
I am an enthusiastic and seasoned Product Development, UI-Design, Team Lead UI/UX designer / Product Developer with over a decade of experience and a solid technical understanding for the entire product development cycle, from the concept phase to implementation and continuous improvement.
Skilled in design systems with design tokens (Figma) to ensure consistent and efficient digital product design.
I have extensive knowledge in conceptualization, research, wireframing, prototyping, and UI design for apps and web applications.
In my work, I combine goal-oriented and solution-oriented approaches with creativity and clear common sense. I automate as much as I can, so that I can focus on problems that require creativity, analytical thinking and problem-solving.
I am enthusiastic about contributing to product development in a dynamic environment. I leverage my skills in UI design, wireframing, and front-end development to create exceptional user interfaces and product designs.
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