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Matheus Nicolau UserMU
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Matheus Nicolau User

@matheusnicolauuser

Product Designer at the Municipal Secretariat of the Government of Goiânia, improving engagement by 15% through usability testing and iterative design.

Brazil
Message

At the Municipal Secretariat of the Government of Goiânia, I own end-to-end design for digital interfaces and workflows, from discovery and problem framing through Figma prototyping and implementation support. Usability testing and engagement analysis informed improvements that increased user engagement by 15%.

I evolved and maintain the internal design system with reusable components, interaction patterns, and Figma documentation, reducing workflow turnaround time by 20%. I also use AI-assisted design tools to explore component variations and speed up prototyping.

In freelance work, I designed B2B and eCommerce experiences for Cardeal Geologia and Vestindo a Mesa, including work that reduced cost-per-lead by 10% and increased conversion by 18%. I also built a scalable Figma component library for Plie Design and explored human-controlled AI interactions for Flamey AI.

Experience

Work history, roles, and key accomplishments

MI
Current

AI Trainer

Micro1

Sep 2026 - Present (2 months)

Contributing to a confidential AI-training engagement as an independent contractor; client and project details remain confidential.

Education

Degrees, certifications, and relevant coursework

IBM logoIB

IBM

Generative AI for UI UX Design Specialization, UI UX Design

Ongoing specialization in Generative AI for UI UX Design.

IBM logoIB

IBM

Generative AI: The Future of UX/UI Design, UX/UI Design

Completed Generative AI: The Future of UX/UI Design course in October 2025.

Meta logoME

Meta

Principles of UX/UI Design, UX/UI Design

Completed Principles of UX/UI Design course in November 2025.

University of London logoUL

University of London

Understanding Research Methods, Research Methods

Completed Understanding Research Methods course in October 2025.

PUC Goiás logoPG

PUC Goiás

Bachelor's Degree, Advertising

Bachelor's Degree in Advertising from PUC Goiás, completed in December 2021.

Miami Ad School logoMS

Miami Ad School

Artificial Intelligence for Creatives, Artificial Intelligence

Completed Artificial Intelligence for Creatives course in May 2025.

EC

Escola Casa

Brand Design, Brand Design

Completed Brand Design course in October 2022.

ESPM logoES

ESPM

Copywriting: Persuasive Writing, Copywriting

Completed Copywriting: Persuasive Writing course in February 2022.

Tech stack

Software and tools used professionally

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