Senior UX/UI Designer Hi! My name is Tadeuszand I design UX/UI with a focus on usability

I design interfaces for applications and digital products so they are usable and accessible to everyone. I run user research and usability testing, design UX/UI and mobile UX, and care about accessibility and consistency within design systems. Book a short call with me and the team; we are ready to start your project within 48 hours.

Selected projects

Fonia - two phones on a teal background: the cashback app home screen with a 325.53 PLN balance and a list of partner stores, next to a store search with suggestions for Empik, Booking, AliExpress and Play.

Fonia - A cashback app for online shoppers

Jawny Lublin - a laptop showing the portal home page: the lead article, the city category menu and a column of popular stories.

Jawny Lublin - A watchdog portal on city transparency

Thaliana Space - a tablet showing the space company site: the "Propelling new era of space" hero with a planet and stars, on black.

Thaliana Space - Website for a space-propulsion company

Wolumen - the "Offer" step of the energy price comparison: three tariff options with per-kWh rates, a contract-length picker and a discount-code field, beside an account statistics card showing 34,225 zł of savings and the electricity and gas prices; on a blue background.

Wolumen - Energy and gas price comparison for businesses

Mobilizacja Biznesu - a monitor and a phone showing the company site: the "Experience you can trust" hero with mobile-app mockups, on a dark background with a blue accent.

Mobilizacja Biznesu - Website for a mobile-tools firm

BET-KA - a laptop showing the detective-agency site: the "Do you suspect someone is bugging, recording or spying on you? Do not wait, check it" hero with a photo of a listening device, on a dark background with gold.

Biuro Detektywistyczne BET-KA - Detective agency website

All projects

My skills

In the UX/UI design process I am present from the first meetings with the client to implementation support.

User research and usability testing
- I plan and run usability tests
- I research users (interviews, observations, surveys)
- I turn findings into design recommendations
Accessibility
- I design according to accessibility principles
- I audit interfaces against WCAG
- I care about inclusive experiences
UX design
- I build information architecture and user flows
- I design wireframes and prototypes
- I iterate based on user testing
UI and design systems
- I design polished interfaces
- I build and maintain design systems
- I keep everything consistent across screens and platforms
Mobile UX
- I design mobile experiences
- I account for device contexts and constraints
- I optimise for real user behaviour

Training and certificates

Continuous learning is part of the craft for me. At the Interaction Design Foundation (IxDF), an online UX school running since 2002, I have completed 16 course certificates and 64 Master Classes since 2020 - from research and usability fundamentals through accessibility, design systems and designing for AI. My scores placed me in the Top 10% of course takers (90%+ score), and IxDF awarded me the Outstanding Learner, Assiduous Learner and Master Class Learner distinctions. The full list follows - you can verify every certificate at the source.

Languages

Polish Native
English Advanced

Key achievements:

I specialise in usability and accessibility of digital products
I run user research and usability testing, turning findings into concrete interface changes
An active member of the Interaction Design Foundation with 16 course certificates and 64 completed Master Classes
Recognised at IxDF as a Top 10% course taker (Outstanding Learner)
I design mobile UX and keep everything consistent within design systems