Resume

izaias

Product designer, UX researcher, and writer with over 25 years in user experience. I reduce cognitive distance — the gap between how designers imagine interaction and how people actually understand a system.

Available for remote work · Timezone-flexible · Async-first

Get in touchWork with me

Skills

Research & Strategy

  • UX Research (mixed methods)
  • Experiment Design
  • Survey & Interview Design
  • Think-aloud Protocols
  • Cognitive Distance Analysis
  • Systems Thinking
  • HCI

Design & Craft

  • Product Design
  • Design Systems
  • Accessibility (WCAG 2.1)
  • Information Architecture
  • Interaction Design
  • Voice & Tone

Engineering & Tools

  • Next.js / React / TypeScript
  • Tailwind CSS
  • HTML / CSS / Semantic Markup
  • Figma
  • AI-Assisted Development
  • Prototyping in Production Stack

Selected work

  1. Personal, Public

    2026

    Design Lead & Sole Author

    The tokens, components, patterns, voice, and diagrams behind this portfolio. Documented as a working site, not a Figma deck.

    Design SystemDocumentationVoice & ToneAccessibility

  2. Open Source, MIT

    2026

    Creator, Design & Engineering

    A zero-dependency in-browser image engine: compress, resize, and convert with HEIC input, AVIF output, and a never-bigger-output guarantee. Shipped as an npm library and a free PWA tool.

    Design EngineeringOpen SourcePerformanceImage Pipeline

  3. Independent UX Research

    2025 to 2026

    Researcher & Engineer

    International HCI experiment that isolates interface language as the only variable across banking, healthcare, and government flows. Empirically validating cognitive distance as a measurable construct distinct from cognitive load.

    UX ResearchCognitive DistanceHCIExperiment DesignAccessibility

  4. Rádio Alvorada TV

    2025 to 2026

    Design Systems Lead

    The foundational design system behind the platform: semantic tokens, component variant rules, accessibility foundations, and 24 documented sections that ground the website, audio tooling, and live TV.

    Design SystemDesign TokensAccessibilityComponent Library

  5. Rádio Alvorada TV

    2025 to 2026

    Product Designer & Design Engineer

    Public Next.js platform with persistent Shoutcast radio, São Paulo schedule engine, PWA install, and CMS-ready editorial.

    Product DesignPWAAudio UXEditorial

  6. Rádio Alvorada TV

    2025 to 2026

    Product Designer & Design Engineer

    Self-hosted Icecast on Oracle Always Free with a WebSocket bridge. operators go live from the browser, listeners tune in via MP3.

    Design EngineeringWebRTC-adjacentIcecastStreaming

  7. Rádio Alvorada TV

    2025 to 2026

    Product Designer & Design Engineer

    Custom live TV: OBS publishes RTMP, nginx writes HLS segments, a Next.js viewer handles mobile unmute policy and YouTube fallback.

    Live StreamingDesign EngineeringMobile UXHLS

  8. Enterprise CLM

    2024

    Lead Product Designer

    A real-time collaborative CLM workflow engine that reduced Time to Audit by 70% for Fortune 500 legal teams.

    EnterpriseLegal TechSystems Design

  9. Open Source

    2024

    Design Engineer

    From personal friction to 14K+ Figma views and a framework-agnostic library used in production.

    Design EngineeringOpen SourceAccessibility

  10. Visa

    2023

    Lead Product Designer

    Unifying fragmented onboarding across 15+ regions while negotiating user friction and business constraints.

    AuthenticationGlobal ScaleMobile-First

Writing

Essays on UX research, systems thinking, cognitive distance, and the space between designer intent and lived experience.

View all essays
Available for remote work

Open to full-time remote positions, contract work, and research collaborations.

Get in touch