Principal Engineer turning platform strategy into faster, more accessible experiences. I work at the intersection of Product, Design, and Engineering.

Contact information

📧 [email protected] 💻 antoniofreire.me 🔗 Linkedin profile

📱+351 969 779 086 🔗 GitHub profile 🐦 @afreire_laptop

Summary

I work across Product, Design, and Engineering to build company-wide frontend platforms rooted in reliable architecture, proven practices, security, accessibility, performance, and design systems with strong developer tooling. This leads to faster delivery, measurable performance gains, and more accessible interfaces.

Core Strengths

• Frontend architecture and platform foundations that scale across teams.
• Design systems, tokens and component libraries that ensure consistent, accessible UIs.
• Developer experience, CI and testing practices that improve delivery speed and quality.
• Performance and observability via budgets, web-vitals, profiling, and dashboards.
• Security and Compliance implementation for trustworthy Web apps, including auth (OIDC/RBAC) and secure by default patterns.
• Cross-team programs, governance, hiring, mentoring seniors toward staff level, and developer enablement.

Skills & Tooling

• Frontend: TypeScript, React, Next.js, Redux Toolkit, SSR and edge rendering.
• Design Systems: Design tokens, theming, design-to-code automation, Storybook, a11y.