Design

Design work.

UX, UI, design systems, mascots and brand work — research and interface craft, mostly inside client engagements. A short summary lives on each card; the full screens are shared on request.

ecommerce2022 under NDA

Smartphoto group — multi-market eCommerce

Four years in-house on front-end and UX for the group's public storefront across European markets.

Front-end developer · UX / UI

UXUISearcheCommerceMultilingual

Read case study

art2025 on request

Pedri — artist portfolio platform

Multilingual gallery + CMS for an independent artist. Designed for the client to operate without a developer.

Designer + engineer

UXUINext.jsSupabasei18nAccessibility

Read case study

product2017

PowerWeight — brand and icon system

Brand mark, character illustrations and a flat-icon library for a personal-trainer mobile app. Published on Behance.

Designer · illustrator · brand

BrandIllustrationIcon systemMobile UIBehance

Read case study

Elsewhere

Behance

12+ projects — icon design, motion, logos

App icon design (PowerWeight), logo for Pe Dri, YouTube dark-mode motion study, CV iconography, functional design assignments.

behance.net/mattiasderidder

Vimeo

Motion + game-design reels

Tagged there as a Creative Technologist, Designer & Game Designer. Older motion studies + game reels.

vimeo.com/mattiasderidder

Brand case studies live under /brands — each one covering identity, content system, channel strategy and the analysis behind it.