Clipboard Health
2024 - Current
Lead Product Designer
Strategic & Leadership focus
• Orchestrated product strategy for 3 experimental initiatives, leading a cross-functional squad of 15 designers and engineers directly partnered with the CEO.
• Reimagined the end-to-end experience for "Maple" (Web & Mobile), optimizing critical high-volume workflows like payroll, scheduling, and time-tracking for healthcare facilities.
• Drove the full product lifecycle—from discovery and system modeling to final high-fidelity delivery—focusing on reducing operational complexity.
Mosaic
2022 - 2024
Senior Product Designer
Design system & tech focus
• Architected and deployed the Tile Design System, directly boosting engineering efficiency by 30% through improved handoff and component standardization.
• Co-led the strategic redesign of Mosaic Hub, bridging user needs with business goals to drive a 25% increase in company-wide adoption.
• Bridged the Design-Engineering gap by shipping production-ready code (React, TypeScript, Tailwind), saving 100+ engineering hours and accelerating go-to-market.
Wunderman Thompson
2022
Senior UI Designer
Marketing Web focus
• Collaborated with an international team to build the responsive web portal for Juvederm to showcase their products.
ioasys
2021 - 2022
Lead Product Desginer
Strategic & Leadership focus
• Led Consultório ID project for Fleury Group, resulting in a 300% increase in daily appointments.
• Revamped the whole product in 2 weeks time as a new prof of concept for board members.
• The quality standards from my project were used to create a company wide design system.
Salt Digital Agency
2020
UI/UX & Brand Designer
• Implemented a new handoff process that reduced miscommunication and optimized the development.
• Helped more than 30 businesses to enhance their online presence building web portals, sites and blogs.
Kick! EdTech
2019 - 2020
UI/UX & Front-end dev
• Designed and coded an educational platform to empower young people to become entrepreneurs.
• Implemented gamification principles to enhance user engagement and learning outcomes by 20%.
• Led user research and testing to refine and iterate
Six Agency
2018
UI/UX & Front-end dev
• Developed user interfaces and building responsive websites and platforms using Photoshop and Figma.
• Designed and coded the front-end for a SaaS web platform for training football players
Freelancer
2012
UI/UX and Brand Designer
• Helped more than 50 small businesses establish a professional online presence by designing custom websites and crafting brand identities.
• Impacted business with UI/UX work, like Caren Case, which the value perception increase from 2 to 4.7 stars rating.
GDAi Studios | Apple's iOS Developer University Program
2012
UI Designer
• Designed interfaces for Apple's iOS applications as part of a university partnership program with Apple.
• Worked in projects such as games, companies portals and healthcare.
I can say unequivocally that Gui has a mastery of how to create modern, eye catching web interfaces, and also that Gui is both creative and gritty enough to solve any problem that get in his way, particularly when it came to writing code himself.
"Gui (Guilherme) is one of the most incredible UI/visual designers I have worked with in my career thus far. With this understanding of how design meets function, Gui can be your go to person when it comes to designing unique, beautiful and functional web/mobile applications."
As a Jr. Designer, I looked up to Gui and his abilities all the time! He has a gift of elevating platforms and their visual quality through his designs. He has an high attention to detail as a designer, which shows in his designs and his documentation.
