01
Understand
Evidence before opinion.
Usability testing · study setup (prototypes, tasks, questions) · eye-tracking · heuristic evaluation · accessibility (WCAG 2.1) · stakeholder and business requirements.
Portfolio — 2026
Scroll to start the journey
The page builds as you scroll
- Concept
- Refine
- Design
- Build
- Test
- Ship
Quewin Human
- UX/UI & Product Designer
- BMW Group Digital Checkout
- AI-assisted creative
I make complex journeys feel simple.
In a checkout, clarity closes the sale. Everywhere else, craft makes you remember.
My job at BMW was to make buying a car online feel easy: no distractions, no doubt, just the next clear step. This site is the other half of me, where flair meets focus. Same designer, two modes.
Human by name. Human-centred by design.
In numbers
What I bring
What I bring to a team
02
Design & deliver
From first flow to production.
User flows · wireframes · prototypes · high-fidelity UI · design systems · stories and acceptance criteria · refinement with Product Owners, Business Analysts and developers · visual QA · environment testing.
03
Create with AI
Ideas at production quality, fast.
AI image and video direction (Nano Banana, Seedream, Seedance 2.0 / Higgsfield) · identity and product consistency with reference workflows · prompt libraries · motion and scroll storytelling · AI-assisted build with Claude Code.
University of Pretoria
Human Factors International
BMW Group Digital Checkout
About · Story
From rooms to routes.
I started in Interior Architecture, designing how people move through space. Today I design how they move through screens. The principles never changed: hierarchy, flow, and putting people at the centre of every decision.
- 2018Certificate in Project Management, UNISA
- 2019BSc Interior Architecture, University of Pretoria
- 202117 May: joined BMW Group's Digital Checkout Solution as UX/UI Designer
- 2022Certified in UX Foundations, Human Factors International
- 2023Certified Usability Analyst (CUA), HFI
- 2024First of eight usability studies for DCS · Trade-In grows into a standalone product
- 2026Eight studies · Eye tracking · Global Checkout Solution for BMW, MINI & Motorrad · This cool portfolio website
Working in long-running product teams taught me that good UX goes far beyond the design file. I've been part of every stage, from the first concept to the production release, and I've learned to love both ends: the rigour of research, and the craft of making something people want to look at.
Design & product
- Figma
- FigJam
- Jira
- Confluence
- Miro
- VS Code
AI & creative
- Claude Code
- Gemini
- ChatGPT
- Copilot
- Figma AI
- Figma Make
- Higgsfield
- Seedance 2.0
- Nano Banana
- Seedream
- GSAP
Selected work · Focus
Work that had to… work.
Screen archive
Dig deeper.
The live checkout, step by step, per brand and on both desktop and mobile. Open a screen to scroll through it, then use Next to walk the whole journey.
Select an archive
Click a screen to open it
Evolution
Three generations of DCS.
The same checkout steps, from the version that was live when I joined to the one live today.
Testimonials
Said by the people I built with.
Contact
Let's make the complex feel simple.
Product design, research, design systems or AI-assisted creative: I'm always happy to talk.
quewinhuman@gmail.com (opens your email app)
Freelance & studio work under QH Dimensions
