Future-proof your digital products
As a Sustainable UX Designer, I’ll help you build sustainable apps and websites with impact—for people, planet, and profit.
I have worked for OTTO, MOIA, LichtBlick, Nitrobox, DayOff, and Plan International.
How Sustainable UX can help your business
Larger Market Reach
With an accessible and inclusive product you’ll not only meet accessibility laws, but also extend you market reach and increase revenues.
Superior Performance
Following sustainable web design principles can improve usability, loading times, and SEO — so that your users don’t give up in frustration.
More Business Impact
Work sustainably and save money by validating your ideas up-front and building only those features that make an impact on your goals.
Customer Voices
A revelation for our startup
Stefanie’s UX/UI Review on our mobile app was a revelation for our ed-tech startup, not just a list of problems but a roadmap to improvement. When the time comes for us to expand our team and invest in design, Stefanie will undoubtedly be our first choice.
Lino Toran Jenner
Co-Founder & CTO DayOff
Working with Stefanie was a game-changer
Working with Stefanie for our checkout flow was a game-changer. We’ve already started taking into account some of the actionable recommendations. Nothing compares to having a fresh perspective from someone with Stefanie’s deep experience in usability, accessibility, and digital products.
Frederik Menke
Team Lead Online, Plan International
A Great Workshop
Had a great workshop led by Stefanie. The group sessions fostered collaboration and sparked innovative ideas. Now I’m eager to apply these insights to my projects and contribute to a more sustainable future.
Paula Carli
UX Designer
Portfolio
Plan International: Improving checkout conversion
In order to improve checkout conversion and reduce abandonment rates, I reviewed the existing flow and proposed a redesign that reduced friction for donors.
Thyropal: A companion app for thyroid patients
I validated a concept and an MVP for the app with Lean UX Research and Rapid Prototyping methods, resulting in an interactive Figma prototype, a design system, and a roadmap for implementation.
Reducing website CO2 emissions by 92%
I redesigned the homepage for EWS, a German green energy provider. I improved support for the primary user’s journey, made the page accessible and reduced the CO2 footprint of the page.
Services
Passion for sustainable UX design paired with 10+ years experience in technology and product management.
UX/UI Design
Inclusive and sustainable apps, websites and software for your impact organization—for every budget:
- UX / UI Reviews
- UX Relaunch
- Sustainable Product Design
Rapid Prototyping
Validate a product or feature idea with customers at speed.
I can support you with:
- Design Sprints
- Interactive Prototypes
- User & Usability Testing
Lean UX Research
Understand needs and pain points of your customers. Develop solutions that meet business goals. I’ll help you with:
- Inclusive User Personas
- Sustainable User Journeys
- User Interviews, Surveys, etc.
About me
I am a Hamburg-based product designer with 10+ years of experience in tech and a passion for product discovery, user research, and UX design.
With my experience in product management, knowledge in computer science, business strategy, and business models, I bring a unique and holistic perspective to my work and your team.
On stage
Book me as a speaker
As a professional speaker, I love to raise awareness about sustainability issues in tech and inspire others to build more meaningful and sustainable products. You can book me for your conference or company events.
How can I support you?
I’m always excited to hear from people passionate about creating responsible products with impact.
Whether you’re looking for a UX designer or a speaker for your event — feel free to reach out via e-mail or LinkedIn or simply pick a spot on my calendar to chat:
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Looking forward to hearing from you!
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