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Strategic Product Design for SaaS, B2B, and Complex Platforms.

I elevate the maturity of digital products by combining business vision, interface engineering, and AI driven workflows.

Afya B2B Solutions2026

Enterprise AI: From Figma to production code

-75% cycle time
from concept to code in 1.5 weeks
80% React code reuse
shipped directly to production
Zero hallucinations
clinical compliance for pharma

#AI Copilots, #Enterprise B2B, #RAG & LLM QA

Voltz Motors2022

Unlocking logistics and e-commerce cash flow

From 48h to < 5 min
logistics release SLA drastically reduced
+R$ 1.3M / week
capital unlocked and cash flow accelerated
-30h / month of dev time
eliminated manual database scripts

#E-commerce, #Operations, #B2B2C

Ciclic2021

Streamlining insurance checkout in 2 weeks

+17% sales conversion
immediate boost following product relaunch
2-week Design Sprint
from discovery and workshops to final UI handoff
5 prototypes tested
remote usability testing across mobile and desktop

#SaaS, #Fintech, #Design Strategy

Intelie2021

Human-in-the-loop workflows for AI models

Human-in-the-Loop workflow
increased volume and consistency of annotated data
AI Model Training
reliable data pipeline to power machine learning models
Autonomous diagnostics
real-time inspection and technical bottleneck removal

#Enterprise, #Data Analytics, #UX Research

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Approach

The exact intersection between business logic, technical fluency, and scalable architecture.

Strategy and Business

I dive into operational rules to turn complex scenarios into efficient user journeys, generating real value for your product.

Design to Code

I remove technical friction between design and engineering. I grasp frontend architecture and use AI to accelerate processes and ensure flawless handoffs.

Design Systems and Scale

I design scalable interfaces focused on accessibility and visual governance, structuring Design Systems that ensure consistency and accelerate development.

Impact and Collaboration

What engineering leaders and partners who build products and experiences with me have to say.

Guilherme Vasconcelos

Guilherme Vasconcelos

Design Lead at Afya

"I had the opportunity to lead Jefferson and can attest to his excellent technical and analytical skills across different stages."

He has strong knowledge in information architecture, data analysis, and complex interfaces like dashboards and data grids. I highly recommend him for both Senior Product Designer and Web Designer positions.

Gabriel Henriques

Gabriel Henriques

Design System Specialist at Afya

"Jeff is an extremely attentive and communicative professional who maturely connects business vision, technology, and user needs."

His collaborative posture unlocks important decisions in complex moments and his curiosity about AI directly influenced the product direction in a positive way.

Leticia Silverio

Leticia Silverio

QA Engineer at Afya

"Working in partnership with Jefferson was excellent and if I had to define him in one word it would be innovation."

He always went well beyond the role of a Product Designer with a sharp eye for platform details. Jefferson brought great references and real AI applications that supported both business decisions and the alignment of the entire dev team.

Aline Silva

Aline Silva

UX Researcher at Afya

"He has an excellent critical sense and stands out for his clear communication and structured workflow."

Working with Jefferson was a very enriching experience. During our time working together I learned new ways to use AI tools from him to make processes smarter. He is a professional who truly raises the team's bar.

How I can help

Product Design

Ready to join tech teams as a Senior Product Designer, leading discovery and validating complex solutions closely with Product and Engineering.

Design Ops and Systems

Focused on raising the technical bar of the team through Design Systems governance, high precision handoffs, and AI driven workflows.