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antoniojunyor - Overview

Antonio Junior

Senior Front-End Developer focusing on React, Typescript, Design System, UI/UX, accessibility and AI.

🚀 About Me

Senior Front-End Engineer with 12+ years of experience dedicated to bridging the gap between scalable engineering, radical accessibility, and the strategic power of Artificial Intelligence.

With a background in Multimedia Production, I act as a strategic bridge between experience design and development. My goal is always to ensure that complex interfaces are not just technically flawless, but fluid, user-centric, and truly democratic.

Key Expertise:

  • Scalable Architecture: Extensive experience with Micro Front-ends (Single SPA), Design Systems, and performance-driven applications.
  • Quality & Testing: Committed to high testing standards using Jest, Testing Library, and Cypress (Integration and E2E).
  • Accessibility (A11y): Treating digital accessibility as a non-negotiable pillar of quality.
  • AI Integration: Currently exploring the frontiers of modern development by integrating LLM APIs directly into product functionalities to create intelligent experiences.

🛠️ Technical Stack

Core Technologies

  • Languages: JavaScript (ES6+), TypeScript.
  • Frameworks/Libraries: React (Redux, Zustand, Context API), Next.js, AngularJS, Vue.js.
  • Styling: Styled Components, CSS3 Animations, GSAP, Atomic CSS, Sass.
  • Testing: Jest, React Testing Library, Cypress.

Tooling & DevOps

  • Tools: Git, Webpack, GitHub Actions.
  • Cloud & Observability: AWS, New Relic.
  • Methodologies: Agile, Scrum, CI/CD.

📬 Get in Touch