I make enterprise, management and ERP software simple to use.
Selected work
How I redesigned the core product of a tax platform with 15,000 users
I redefined the whole experience of Sittax Simples, a tool that automates tax calculation for small businesses under Brazil's Simples Nacional regime.
255k hours of work saved by Sittax customers in 2025
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Mandala DS: one design system for 6 products
I built and maintain Mandala DS, the Sittax design system, with reusable tokens and components, so anyone on the team can build screens to the same standard.
60% less development time per product, approximately
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The information architecture that became an ERP's standard
At TOTVS, I defined the information architecture of Winthor, an ERP for retail and distribution, validated it with more than 30 users, and saw it adopted as the standard for new products.
30+ users from different segments in tests and ideation
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Moving 7 HR and payroll products to the cloud
At LG lugar de gente, I led the move of the HR and payroll suite to the cloud, from research to validation with large customers, and led the design team.
7 HR and payroll products moved to the cloud
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Designing with AI
I use AI to speed up the repetitive parts and spend more time on the parts that need judgment. I built the Sittax UI kit so screens generated by anyone on the team start from the same components and rules, and I introduced functional specifications produced with Claude, Figma and Notion as the handoff standard.
AI produces a plausible screen in seconds. My job is to make sure it’s the right screen: consistent with the rest of the product, accessible and true to the business rules.
System first, generation second
Documented tokens, components and patterns become the context AI follows. Without them, every generated screen invents its own look.
Handoff with functional specs
Every screen goes to engineering with a functional specification document (FSD) produced with AI from Figma, which helps both the engineering and QA teams.
Human review where mistakes are expensive
Complex business rules have exceptions AI doesn't know about. I review error states, edge cases and accessibility before anything goes to development.
Career
- 2024 to present
Senior UX Designer, Sittax
Responsible for UX and UI from research to delivery. Built the design system used by all 6 products and redesigned the Sittax Simples experience.
- 2023 to 2024
Senior Product Designer, TOTVS
Defined the information architecture of Winthor, which became the standard for new products, and contributed to the Animália design system.
- 2023
Senior UX Designer, G4F
Built a UI kit and moved technical validation earlier, cutting the engineering team's time per product by about 70%.
- 2010 to 2022
UX Designer and team lead, LG lugar de gente
Led the move of a 7-product HR and payroll suite to the cloud, and led a 5-person design team for 3 years.
About
I live in Goiânia, Brazil, and I’ve been designing digital products since 2004. Most of my career has been in software people use all day to get their work done: payroll, ERP and tax compliance. In these products a confusing screen becomes a filing error, a support call and rework, so clarity is worth real money.
I like to get into the problem early, talk to the people who use the product, and turn complicated rules into flows that feel obvious. I work well in remote teams with asynchronous communication. I speak Portuguese and English.
Education
- Postgraduate degree in User Experience Design and Beyond, PUCRS (in progress, 2025 to 2026)
- Internet Systems, Estácio (2020 to 2022)
- Product Management, PM3 (2023)
- UX Research, PUC-Rio (2022)
Talks and mentoring
- Mentor at AgroStartup Anápolis (2026)
- Mentor at Campus Party Goiás (2025)
- Mentor at AgroStartup Goiânia (2025)
- Talk on Atomic Design at Campus Party Goiás (2024)