
For 14+ years, I've helpedcompanies design greatproducts, experiences, interfaces and software.
I’m also active YouTube creator on a mission of sharing my knowledge to other designers.
Selected works
A few of the products I've worked on. First is about building this very site with an agentic workflow, open to everyone; the rest require password, so enter the password below if you have it, or reach out for a walkthrough.

AI Assisted Design
This site, right here — designed and built from a blank scaffold by directing an AI coding agent through a conversational, iterative workflow. The one case study here that's open to everyone, no password required.
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Password-Protected Case Study
This project's name and description are password protected and hidden until the password is entered above.
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Password-Protected Case Study
This project's name and description are password protected and hidden until the password is entered above.
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Password-Protected Case Study
This project's name and description are password protected and hidden until the password is entered above.
View locked case studyVideos
Amateur vs Pro: Advanced UI Design Examples (Before & After) 90K views
User Testing vs Usability Testing 46K views
Responsive vs. Adaptive vs. Fluid Design: What's the Difference? 44K views
Before & After 3 - Advanced UI Design In Action 31K views
Usability Testing in UX Design Thinking Process 18K views
Those Were Done by Experienced UI Designer!? (Before & After 7) 17K views

Design Tools
AI & Agentic Workflows
For over 14 years I'm connecting business goals with users needs.
Mateusz "Kerev" Małys — Seasoned Product Designer & YouTube Creator
Methodologies & Methods
Research Tools
Design
Business Skills
What people I've worked with say
During my one year work with Mateusz, he convinced me of his high competences and excellent aesthetic sense. Thanks to his wide experience he is able to approach all kinds of projects comprehensively and with great creativity. Mateusz does not only understand what he is doing, he also always finds the time to explain his decisions. Even in most busiest situations, Mateusz is a colleague who always makes time to help out. I valued his insights and support very much.

Mateusz has impressed me over and over again with his ability to make progress in the face of road blocks. As a researcher who helped to support his team, he would come to me with a plan already built and ask what needed to be improved. Many other people I work with always want their hand held from step 1. He owns his success. Polite, yet straight forward, he's a pleasure to collaborate with. He has a strong ability to audit an experience flow and all of it's moving parts. This has been impressive time and time again and even more useful in his design work. Hire him. You won't regret it.

I worked with Mateusz on multiple projects during my time at Workfront. He proved not only to deliver great, well thought designs, but also to be able to perform UI/UX audit and provide valuable insights while the team was working on specifications of new or refactored functionality. With his up-to-date knowledge end sense of aesthetics, I couldn't recommend him more as a UX Designer.

I have worked alongside Mateusz for nearly a year now. During this past year together I have witnessed Mateusz excel at his position as a designer, as well as continually push himself and his research. (...) Mateusz has taken on responsibilities well-beyond his core job role and has been an important part of the success of the Workfront UX team. His input has been incredibly vital to the success of several projects we've worked on together and I appreciate his positive attitude when approaching new ideas and changes. (...)

If you get to be as lucky as I am and work with Mateusz, the world will be your oyster! Mateusz has proven himself to be a hard-working, highly-skilled professional, as well as an amazing teammate, and a good friend. What is also worth mentioning is that Mateusz is experienced in working with international teams, across time zones, and thirsty for knowledge and new skills. I can definitely say that Mateusz is a graphic designer you want on your team.

Mateusz is a hard working data driven designer with a growth mindset. He proactively looks for the ``why`` behind customer interaction and challenges the status quo appropriately. He's also a pleasure to work with! If you get the opportunity to work with Mateusz, you should take it.

It's always a pleasure to work with such a strong professional and a great personality. We've been working together on the same project over a year and it's been always a treat for me. I highly recommend Mateusz as a UX professional who has an outstanding background in UX Design and deep understanding of users.

I worked with Matthew on several projects over the last three years and highly recommend him as an experienced and skilled graphic designer. Matthew had positive approach to each assignment and ability to translate our ideas into top-notch designs. He is good listener, communicates clearly, collaborates well at all levels, team player. If you want outstanding results delivered on time and within budget, Matthew is a professional graphic designer you'll want to meet.

In the project on which we worked together, Matthew turned out to be a committed and goal-oriented designer. Interfaces created by him were clean, transparent and in-line with current market trends. It was clear that his interest in modern technology translates into the quality of created projects. He identified himself with the product, which positively translated into motivation and enthusiasm for work.

Mateusz, is a very dutiful person. Performs projects within a specified timeline. He is communicative and understanding.

Matthew is a person who is fully engaged in what he do, his job is also his hobby. He is open minded and willing to share his knowledge, which comes from the passion and the continuous deepening it. He has a talent for creating functional websites that effectively help to promote the brand.


I'm operating remotely from Europe, Poland
I work full time as a UX Designer, but in my spare time, I like to teach and coach others about design.
I post videos on how to get started in UX and UI design, design process, tools, career advice, news, inner workings of the tech industry, ways of increasing your skills as a designer, and finally, how to design awesome products.
I am operating remotely from Poznań & Koszalin, Poland.


