Staff Product Designer & Design Systems Lead

Marcin Banaszek

Systems and product craft that scale across brands, platforms, and scripts — so teams ship coherent product faster.

I lead design systems and own conversion-critical product surfaces across MENA travel, Nordic retail, and complex B2B platforms.

Selected work Email me Download CV

Proof

Multi-brand, multi-platform design systems — almatar and the Kesko family
Conversion-critical booking UX for Flights across web, iOS, and Android
€1.5M shipped commercial impact at K-Rauta Sweden (2024)
Byggmakker B2B (MyPages) — AI-first prototyping tested live with stakeholders and users
Promoted from Principal Product Designer to Lead Design System Architect through mentorship
Research-backed B2B platforms and AI-accelerated product craft

Selected work

View all

almatar · Design Systems

A multi-platform design system for MENA travel

Architecting tokens, components, and RTL-native patterns across web, iOS, and Android — so product teams ship one coherent experience in Arabic and English.

Public teaser · Full case password-protected/Read →

almatar · Product

Rebuilding flight listing for conversion

End-to-end ownership of a new flight listing experience — cards, filtering, and landing-page infrastructure — designed for dense travel data and dual-script markets.

Public teaser · Full case password-protected/Read →

Kesko · Multi-brand systems

Seven years building Nordic retail from the ground up

From a single-brand eCommerce site and design system for K-Rauta to a multi-brand architecture as K-Bygg and Byggmakker joined — tokens, language, and country-specific commerce.

Public teaser · Full case password-protected/Read →

Byggmakker · B2B

Byggmakker B2B — MyPages, projects, and a new way of building

Focused on Byggmakker B2B: the MyPages portal and project tools for trade customers — plus an AI-first prototype loop that lets stakeholders and users react to working software, with Figma reserved for handoff.

Public teaser · Full case password-protected/Read →

Teledyne FLIR · Product & Systems

A customer platform for a global hardware company

Research with the largest customers, a unified design system, and a portal spanning returns, configuration, service packages, and messaging — across teams in the US, UK, and Sweden.

Full case study/Read →

SFR3 · Product

High-pace PropTech and a new way of working

Three apps, real users in the US, decisions driven by data — and the moment AI tooling permanently changed how I prototype, test hypotheses, and hand off to Figma.

Full case study/Read →