Karel Wozniak

Staff Product Designer · Brand and marketing design · illustration

Bolt

Prague, Czechia · CET (UTC+1)

8+ years experience

Bocconi University

English, Czech

Advising

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Overview

I work on brand and marketing design at Bolt in Prague. Brought the brand flows to WCAG 2.2 AA. Ran 99 usability sessions and turned them into a research repository. Previously at Adyen. Most at home with illustration and typography.

Good reasons to reach out

Advice on brand and marketing design
Speaking or podcast invitations

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Courses and coaching offers
Crypto token projects
Unpaid work or spec projects

Replies between meetings, usually same day

Skills

brand designweb designtypographyillustration

AdvisingOpen to advising

closes in 3 months

Office hours for designers building portfolios: brand and marketing design and typography

Topics: brand and marketing design, illustration, web design
Format: Office hours
Terms: Open to discuss
Capacity: One advisory role at a time
Best for: First-time founders

8 years of brand and marketing design. One call a month or async reviews.

Prague, Czechiaillustrationweb designtypography

Open

Experience

Staff Product Designer
Dec 2022 - Present
Bolt · 3 yr 10 mo · Full-time · Prague, Czechia
- Built a component library 59 engineers ship with every day.
- Ran 127 usability sessions and turned them into a research repository.
UX Researcher
Jan 2019 - Sep 2022
Adyen · 3 yr 8 mo · Full-time · Prague, Czechia
- Shipped the brand redesign that lifted task completion 35%.

Projects

Conference talk: lessons from brand

2025

What went wrong and what worked while scaling brand and marketing design.

Side project: a reading list app

2022

Built with illustration and brand design. 2153 people used it last year.

References

No references yet.

Education

Bocconi University
BSc, Architecture
2015 - 2018

Details

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