HelpCiti
From a gap in the market to a live app: field research, architecture built for LGPD (Brazil's data protection law) and a product pivot driven by usability testing.
View case study
Portfolio · UX/UI Product Design
Michel Preto
Product Designer — simplifying the design of digital products, from research to production.
based inSocorro · São Paulo
open toEmployment · Freelance
backgroundIT → Design
09 case studies · UX Research → UI → Design System
Recent projects
Product, research and engineering — from a field problem to a system in production.
Cultura Inglesa
UX redesign driven by student research — 23% higher retention and 65% fewer support tickets — and the rebuild of the Cambridge exam store.
View case studyMântega Culinária
Brand repositioning with an in-house design system, rebuilt paid acquisition and AI-driven support automation — the complete digital operation of a restaurant.
View case studyPrevious projects
Six UX/UI case studies, from research to design system.
