I design complex products
I design complex products
I design complex products
Somehow, this portfolio became one too
Somehow, this portfolio became one too
Somehow, this portfolio became one too
Human layer / Detach with care
Human layer / Detach with care
Human layer / Detach with care






About
About
About
I design complex products that don’t make people feel stupid
I design complex products that don’t make people feel stupid
I design complex products that don’t make people feel stupid
R
R
Ryszard Szeja
Ryszard Szeja
Product Designer
Product Designer
Product Designer
Most of my work starts when the brief sounds more certain than the evidence behind it
How I work
How I work
I ask questions, make things early and change direction when something doesn’t work. I care about the details too
Looking for
Looking for
A team that wants a designer while the answer is still open, not after the screens are due
What I want to build
What I want to build
Useful products with enough character to feel like someone actually cared about making them
Some numbers I can actually show
Some numbers I can actually show
+8–38 pp correct navigation choices
+8–38 pp correct navigation choices
tastytrade · Tree testing
tastytrade · Tree testing
I reorganised Account Management around how customers grouped tasks, then ran a second tree test to check the new hierarchy
≈35% more applications submitted
≈35% more applications submitted
Stepstone · Application journey
Stepstone · Application journey
I redesigned the application flow: removed repeated fields, rewrote the copy and reused data candidates had already saved
≈20% more job listings viewed
≈20% more job listings viewed
Stepstone · Search
Stepstone · Search
I simplified the job cards so location, work model and salary were easier to compare while scrolling
≈10% more App Store downloads
≈10% more App Store downloads
Stepstone · App Store
Stepstone · App Store
I redesigned and tested the App Store screenshots, then rewrote the product-page copy to explain the app more clearly
Recommendations
Recommendations
Recommendations
What my teammates say I’m useful for
What my teammates say I’m useful for
What my teammates say I’m useful for
“Ryszard helped establish our first-ever user research practices, coached others on different research methodologies, and provided valuable feedback to his peers about how to improve our experiences. I’m grateful to have had the chance to manage, work with, and learn from Ryszard”
Camille Celone Product Design Manager @ tastytrade
“Ryszard helped establish our first-ever user research practices, coached others on different research methodologies, and provided valuable feedback to his peers about how to improve our experiences. I’m grateful to have had the chance to manage, work with, and learn from Ryszard during his time on the tastytrade design team.”
Camille Celone
Product Design Manager @ tastytrade
“Ryszard helped establish our first-ever user research practices, coached others on different research methodologies, and provided valuable feedback to his peers about how to improve our experiences. I’m grateful to have had the chance to manage, work with, and learn from Ryszard during his time on the tastytrade design team.”
Camille Celone
Product Design Manager @ tastytrade
Makes sense of the mess
Makes sense of the mess
“Ryszard has a great ability to bring together quantitative data, customer interviews, usability research, and platform analytics into insights that are easy to act on.”
“Ryszard has a great ability to bring together quantitative data, customer interviews, usability research, and platform analytics into insights that are easy to act on.”
Karolina Johnson
Senior Product Designer @ tastytrade
Helps decide what to do
Helps decide what to do
“His work went far beyond conducting research. He was often the person identifying opportunities and helping shape the first direction for UX solutions.”
“His work went far beyond conducting research. He was often the person identifying opportunities and helping shape the first direction for UX solutions.”
Karolina Johnson
Senior Product Designer @ tastytrade
Gets involved where needed
“He’ll dive deep into any area that needs attention, whether it’s copywriting, digging into data to identify opportunities for improvement, or prototyping concepts to get in front of users.”
Camille Celone
Product Design Manager @ tastytrade
Challenges the default answer
Challenges the default answer
“He’s not afraid to ask difficult questions or challenge assumptions, always with the goal of making the user experience stronger.”
“He’s not afraid to ask difficult questions or challenge assumptions, always with the goal of making the user experience stronger.”
Kasia Kołodziej
Senior Product Designer @ tastytrade
Research that leaves the repository
“He knows how to translate research into thoughtful, practical design solutions that balance customer needs with business goals.”
Karolina Johnson
Senior Product Designer @ tastytrade
Better, not easier
Better, not easier
“Ryszard is a collaborative, approachable teammate who’s always focused on finding the best solution rather than the easiest one.”
“Ryszard is a collaborative, approachable teammate who’s always focused on finding the best solution rather than the easiest one.”
Kasia Kołodziej
Senior Product Designer @ tastytrade
Challenges the default answer
“He’s not afraid to ask difficult questions or challenge assumptions, always with the goal of making the user experience stronger.”
Kasia Kołodziej
Senior Product Designer @ tastytrade
Research that leaves the repository
“He knows how to translate research into thoughtful, practical design solutions that balance customer needs with business goals.”
Karolina Johnson
Senior Product Designer @ tastytrade
Better, not easier
“Ryszard is a collaborative, approachable teammate who’s always focused on finding the best solution rather than the easiest one.”
Kasia Kołodziej
Senior Product Designer @ tastytrade
Makes sense of the mess
“Ryszard has a great ability to bring together quantitative data, customer interviews, usability research, and platform analytics into insights that are easy to act on.”
Karolina Johnson
Senior Product Designer @ tastytrade
Helps decide what to do
“His work went far beyond conducting research. He was often the person identifying opportunities and helping shape the first direction for UX solutions.”
Karolina Johnson
Senior Product Designer @ tastytrade
Gets involved where needed
“He’ll dive deep into any area that needs attention, whether it’s copywriting, digging into data to identify opportunities for improvement, or prototyping concepts to get in front of users.”
Camille Celone
Product Design Manager @ tastytrade
Selected Case Studies
Selected Case Studies
Selected Case Studies
The two projects I’d start with
The two projects I’d start with
The two projects I’d start with
Additional Work
Additional Work
Additional Work
More things I’ve designed, built, and explored
More things I’ve designed, built, and explored
More things I’ve designed, built, and explored
How I Think
How I Think
How I Think
Five situations I keep running into in product work
Five situations I keep running into in product work
Five situations I keep running into in product work
What I check
1
Is this a real problem, or a feature the team already wants to build?
Where I start
1
I separate facts from assumptions and check what could change the decision before moving into UI.
Seen in practice
1
Stepstone and tastytrade · Testing demand before designing requested features.
The solution arrived before the problem
What I check
1
Is this a problem people actually have, or a feature the team already wants to build? How often does it happen, and what evidence do we have?
Where I start
1
I write down what we know, what we’re assuming and what could change the decision. Then I check the most important unknowns before moving forward.
Seen in practice
1
Stepstone and tastytrade · Checking whether requested AI assistants, Live Activities and filters solved a real problem before moving into UI.
The solution arrived before the problem
What I check
1
Is this a problem people actually have, or a feature the team already wants to build? How often does it happen, and what evidence do we have?
Where I start
1
I write down what we know, what we’re assuming and what could change the decision. Then I check the most important unknowns before moving forward. The original idea can stay, but it no longer gets a free pass.
Seen in practice
1
Stepstone and tastytrade · AI assistants, Live Activities and filters that needed evidence before they needed UI.
UI Archive
UI Archive
UI Archive
Early work from when usefulness was optional and enthusiasm was not
Early work from when usefulness was optional and enthusiasm was not
Early work from when usefulness was optional and enthusiasm was not
Galaxy Fruits • Mobile App



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Galaxy Fruits • Mobile App



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Galaxy Fruits • Mobile App



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