Daria Si

Meet Daria

14 following5 followers

I design B2B web and mobile products with dense data, multi-step workflows, and complex domain logic. I work end to end, from shaping the first flow through every interaction state. I tend to find edge cases before they become bugs.

Eleven years in design, seven of them in product. I've led projects as the sole designer, from discovery and defining requirements through design systems and developer handoff.

My work spans AI platforms, solar energy tools, healthcare apps, fitness products, accessible gaming hardware, B2B SaaS, and IoT. My background in architecture shaped the systems-thinking approach I bring to each: understanding what a structure needs to carry before drawing it, whether that structure is an interface, a design system, or an identity.

I'm especially interested in sustainability, accessibility, and AI products where the domain is genuinely hard.

Living between Portugal and Ukraine, working across EU and US time zones.