Matheus Sá

Lead Product Designer / Senior Product Designer

Summary

Senior Product Designer with 6+ years of experience in end-to-end UX/UI design for enterprise AI software, B2B SaaS, and HR tech. Led design at Valere — a US-based AI software company — shipping user-centric solutions for enterprise clients and establishing design processes, career frameworks, and cross-functional alignment. Combines strong design craft with product thinking and stakeholder communication across distributed, async-first teams.

Skills

Design
Figma, High-fidelity prototyping, Wireframing, User flows, Interaction Design, Visual Design
Research & Strategy
User Research, Usability Testing, Competitive Analysis, Discovery, Problem Framing, Personas
Systems
Design Systems, Component Libraries, Design Handoff, Accessibility (WCAG)
Tools & Collaboration
Cross-functional leadership, Stakeholder management, Async-first remote communication, Notion, Jira, Linear, Confluence
AI Integration
AI-assisted prototyping (Cursor), AI-generated documentation, prompt-driven design workflows — integrating generative AI across the full design process from discovery to high-fidelity prototypes
Leadership
Design team mentoring, Design process structuring, Team productivity uplift, Career framework development

Experience

OROZ — Technology for Live Marketing

Feb 2026 – Present
Head of ProductSão Paulo, BR · Remote
  • Lead product direction and UX design for B2B live marketing solutions — event apps, credentialing systems, lead capture tools, and digital activations for corporate clients and trade shows.
  • Built internal operational processes enabling the team to scale delivery across simultaneous client engagements without compromising quality.
  • Own end-to-end client relationships: co-designing solutions, aligning scope, and managing delivery from kickoff to final handoff.

Valere

Sep 2024 – Mar 2026
Product Design LeadBoston, USA · Remote
  • Led end-to-end design for enterprise clients — from discovery and user research through high-fidelity prototypes, design specs, and final implementation handoff in Figma.
  • Guided creative direction and design quality standards across all product touchpoints; provided design consulting to cross-functional teams on digital experience and product strategy.
  • Co-created a new design-to-handoff process that standardized collaboration between design and engineering, reducing friction and rework.
  • Defined career levels and progression criteria for junior through lead designers — the team's first formal growth framework, used in hiring and performance reviews.
  • Contributed to Product Design hiring — defined evaluation criteria and helped build the digital experience team.

TAQE

May 2023 – Jun 2024
Senior Product (UX/UI) DesignerSão Paulo, BR · Remote
  • Led design for TAQE's B2B HR tech platform and the candidate-facing product end-to-end — conducted user research, defined personas, and delivered redesigned experiences that improved usability and workflow clarity.
  • Leveraged user research and data insights to surface opportunities and inform product roadmap prioritization.
  • Designed and implemented cross-team processes between product and tech, reducing communication overhead and improving delivery speed.

Deploy — Digital Marketing

Jan 2021 – Mar 2023
Product Designer (UX & UI)São Paulo, BR · Remote
  • Led end-to-end design for clients including RedHat and Captable — from user research and competitive analysis through wireframing, prototyping, and usability testing.
  • Developed user journeys and high-fidelity interactive interfaces ensuring alignment with business strategies and technical constraints.
  • Ran usability testing and surveys to validate and iterate on designs, maintaining a research-driven approach across all projects.

Freelance

Jan 2021 – Aug 2025
UX/UI DesignerRemote
  • Provided UX consulting for digital products and conversion-focused landing pages — working directly with founders and product teams to improve user flows, information architecture, and interface design.

Education

ESPM — Escola Superior de Propaganda e Marketing

2017 – 2020

Bachelor's in Communications, Advertising & Propaganda

Certifications

  • Generative AI for the High-Performing Professional
  • Introduction to Large Language Models
  • Introduction to Responsible AI
  • AWS — Foundations of Prompt Engineering
  • AWS — Generative AI Learning Plan for Decision Makers
  • AWS Educate — Introduction to Generative AI

Languages

  • Portuguese: Native
  • English: C2 – Proficient
  • Spanish: Fluent