I’m Guilherme Marques, with 5 years of experience building and growing projects.
Currently Product Designer at Inventa's Fullservice backoffce for marketplaces, designing impactful scalable solutions.
Selected work
Writing
Building my first RESTful API with GO
May, 2026
Languages
English
Professional fluency (Cambridge FCE)
Portuguese
Native
Experience
Inventa
Product Designer
2021 - Present
Led a complete UX redesign of the Sales Rep application, improving usability and commercial efficiency,processing approximately R$700k in monthly GMV.
ePharma
Product Designer
2021-2022
Prior contributions as a product designer, from discovery through delivery, partnering with engineering and stakeholders on core product initiatives.