Cartoon figure with long hair and backwards baseball cap

Jacek Marek

Where marketing meets UX

Junior UX Designer that made a leap from marketing and connects user empathy with business thinking.

Coming from marketing

What I bring to the table

Business thinking

My experience in marketing
and client-facing roles gave me a strong sense of how products serve both users and business goals. I approach design with structure, intention and a holistic perspective.

Adaptability

Working in different roles or cultures taught me to adapt fast, listen first and stay flexible. Whether I’m guiding a client, surfing student or working in a team, I shape my style to fit the needs.

Deep research

I like to understand before I design. I base my choices on structured research and analysis - looking for patterns, context, and real signals instead of guesses.

Clear communication

My experience as a copywriter and instructor trained me to explain ideas simply and naturally - even the tricky ones. I focus on clarity and connection.

Projects

Image with preview of the project - Santander app mockup

Gamified onboarding

How to engage new app users and turn them into real investors?

XTB  |  UX/UI  |  Gamification  |  Mobile

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Image with preview of the project - Santander app mockup

Ticket validation accessibility

Not enough time to validate ticket? Case study showing how to improve error prevention and make ticket validation more accessible.

zBiletem  |  Accessibility  |  WCAG |  UX  |  Mobile

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Image of project preview - two websites compared with each other

More adoptions and donations

Website redesign to increase donations conversion rate and animals adoption inquiries.

OTOZ Animals  |  UX/UI  |  Redesign  |  Desktop

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Home

About me

Resume

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jacek.marek20@gmail.com