Hi, I'm Jeferson Vieira. Multidisciplinary Product Designer focused on turning complexity into business efficiency

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I develop intuitive digital products and scalable systems that balance user experience, technical feasibility, and business goals. I create solutions that deliver real value and simplify end-to-end journeys

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My approach

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AI-Optimized Workflow

I use AI tools to speed up discovery, data synthesis, and prototyping, quickly turning messy insights into validated design concepts.


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 Problem Solving & System Vision

 I map out system architectures and anticipate friction to transform complex user flows into clean, intuitive, and logical experiences.

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Business & Tech Alignment

 I collaborate with Product Managers and Engineers to ensure design decisions respect technical constraints and drive company growth.

Mobile app interface for a grocery delivery service showing the homepage, product listings, discount coupon section, and product details for rice, with a background in orange and white.

Sabor Econômico /// Mobile App

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New Chart and Dashboard Library /// netlex CLM

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Redesign netLex /// Website

UX Design

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UI Design

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Web Design

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UX Design * UI Design * Web Design *

Lets Talk!

Feel free to reach out for collaborations or just say hello Jef!
email: designbyjef@gmail.com

Get in touch