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— Staff Product Designer · Brazil | LATAM

Turning complex products into clear, scalable, and efficient experiences.

Hi, I’m Weliton. I work at the intersection of product, design, engineering, and AI, helping teams manage complexity, reduce operational friction, and create more consistent digital experiences for B2B SaaS products.

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Hybrid background

Product Design with strong front-end development fluency.

Complex domains

Experience across B2B SaaS, enterprise platforms, regulated industries, and public-sector products.

Integrations and operations

Hands-on experience with CRMs, ERPs, payment gateways, APIs, and workflows with significant operational impact.

AI applied to product

Using AI workflows to accelerate discovery, prototyping, documentation, and decision-making.

— Featured case studies

A selection of projects that best reflect how I work

These case studies show how I approach a problem, understand the broader context, collaborate with cross-functional teams, and turn complexity into clearer product decisions.

— Product Architecture · 2025/2026

Redesigning Embraer’s enterprise structure across more than 25,000 records.

A redesign of the navigation and entity management experience within a Compliance GRC platform, connecting information architecture, performance, and close collaboration between design and engineering.

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  • 14x faster rendering
  • −80% fewer API endpoints
  • +35% faster support operations
— Metrics Analysis · 2025/2026

Turning the Design System into operational intelligence for product and engineering.

Created and implemented an internal dashboard to track the modernization of an enterprise SaaS platform, monitoring refactored screens, remaining legacy interfaces, technical documentation, open tickets, and the operational impact of the Design System.

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  • 38.8% modernization coverage
  • 627 screens mapped
  • 22% Storybook coverage
— Module Refactoring

Increasing adoption and repeat usage in a module used by more than 20,000 UNIMED users.

A high-volume enterprise forms module rebuilt on a reusable architecture. Support tickets dropped significantly, and the module became the foundation for additional product workflows.

Coming soon
  • 74 → 94 module NPS
  • 20k+ monthly active users
  • −40% support tickets
— Design systems

Design System as infrastructure. 50+ components. $600-800k in estimated savings.

A library of more than 50 components managed as operational infrastructure, with tokens, governance, and design-to-code alignment. Adopted across squads, it helped improve delivery efficiency by 37%.

Coming soon
  • 50+ components
  • +37% delivery efficiency
  • $600-800k estimated savings

Companies and professionals I’ve worked with

Léa Mascarenhas

CPO · Head of Product

Weliton is a highly dedicated professional with a strong creative approach to solving usability challenges. He connects those solutions to clear navigation patterns that make the user experience more effective and meaningful.

He is highly detail-oriented and consistently balances technical constraints with an experience that feels seamless to the end user.

It was a pleasure to lead him on the team and to rely on his ideas when solving the product challenges raised by the team.

Rafael Silva

GPM . PM . PO

Working alongside Weliton at Perinity was an excellent experience. His ability to turn business goals into thoughtful, effective user journeys is impressive. His leadership in standardizing the Perinity GRC Design System also deserves recognition. It was a key initiative that enabled greater speed and efficiency across product and engineering workflows, supported by a highly collaborative approach.

William Evangelista

PM . PO

I had the opportunity to work with Weliton, and the experience was extremely positive. He brings strong Product Design expertise, especially in prototyping and usability. Working with him was always smooth, grounded in partnership and collaboration. He is consistently open to listening, proposing creative solutions, and moving quickly and effectively to solve problems. His commitment and ability to turn ideas into meaningful user experiences make a real difference across projects.

Lucas Antunes

Sr. Product Designer

Weliton is an excellent professional, and the time we worked together was marked by strong partnership and continuous learning. He has a sharp eye for detail, moves quickly from idea to execution, and brings a well-rounded skill set. He stands out in UI and visual design, supported by a strong technical foundation in front-end development. He is highly quality-driven, with refined visual judgment and a consistent focus on improving the team’s output. Always available to help, collaborative, and dependable, Weliton would be a valuable addition to any team.

Dayana Prado

PM . PO . QA

Weliton is a highly skilled professional with a strong focus on delivering customer value. He consistently treats usability and accessibility as essential foundations of the product experience. He stands out for aligning UX strategy, Design System evolution, and end-to-end delivery, bringing consistency, practical innovation, and high standards to every project. He would be a valuable addition to any team or organization. We worked together on critical projects that directly impacted the platform’s core, requiring careful attention to legacy code and the evolution of the solution. In that context, Weliton showed a strong ability to identify and address the small details that make a meaningful difference in usability and the customer experience.