Senior Frontend Engineer building accessible Design Systems & modern AI-assisted workflows.

Focus Areas

• Design Systems & UI Architecture

  Architecting scalable, multi-product component libraries in TypeScript and React. Multi-layer design tokens, Figma sync, semantic versioning, and changesets.

• Web Accessibility (WCAG 2.2)

  Strict accessibility compliance, advanced ARIA design patterns, keyboard navigation, and accessible UI states for streaming and conversational interfaces.

• AI-Assisted Engineering & DX

  Practical agentic workflows, spec-first development, portable agent context (CLAUDE.md), automated PR evidence gates (mutation testing, red-first tests), and CI/CD optimization.

Writing & Experiments

medium.com/williambastidasblog (opens in a new tab)

Featured Series: Post-Chat UI: Designing AI Interfaces Beyond the Prompt

• Forty years to stop memorizing commands, and now we ask users to type them again, but with "please" (opens in a new tab)
• What Remains When You Remove the Chat: UI Patterns by Cost of ErrorComing soon
• Taming Claude in the Frontend: Structured Outputs, Streaming & LatencyComing soon
• A Semantic Filter Without a Chat: Next.js Proof of Concept & EvalsComing soon

Background

Globant (2020 – Present)

Senior Frontend Engineer (Web UI Developer). Foundational Design System core contributor, accessibility lead, and AI-assisted delivery workflows.

Academic & Mentorship

Former Mobile Development Instructor at Universidad ORT Uruguay & IT Mentor at CUTI Sembrando TIC.

Education

Master's in Information Systems (UCAB).