Hey 👋, I'm Rafał.

I simplify complex systems into intuitive digital products.

Designer focused on Product & UX, CRO & Growth, Business Goals and Motion & UI.

Rafał Zieliński
01 — KalkulatorProProduct Design · SaaS Transformation

From free toolto paid SaaS.

Redesigning a beloved free engineering tool into a subscription SaaS product — without losing the loyal community that made it valuable in the first place.

KalkulatorPro engineering calculators SaaS interface mockup
02 — Micro SaaSProduct · Founder

Building a product from scratch.

An AI-powered QA tool that automates spell-checking on marketing graphics, reducing feedback loops between managers and designers — built end-to-end as Founder and Product Designer.

Micro SaaS app interface mockup
03 — chcedo.itData · Product · Analytics

Data-Driven skill dashboard

An interactive analytics platform mapping real-time IT job requirements to eliminate skill-gap ambiguity for transitioning designers.

chcedo.it analytics platform cover
03 — FintechUX · Mobile Banking · Concept

Designing secure payment experiences

Optimizing critical user flows in mobile banking by balancing rigorous security protocols with a frictionless, intuitive interface.

Fintech mobile banking app shown on two smartphones
04 — PortfolioUX · CRO Experiment

Portfolio as a Product

A portfolio shouldn't be a static gallery — it's a live product. I designed this page as an active UX/CRO experiment to track recruiter behavior and iterate from real data.

Portfolio analytics dashboard mockup with engagement metrics
05 — Diablo IVInteraction · Concept

Designing emotions.

I designed a landing page for Diablo IV's launch, using custom micro-interactions to build engagement and immerse players in its dark fantasy atmosphere — while keeping navigation intuitive and fully readable.

Diablo IV landing page shown on a laptop