# Micaela Avigliano — Frontend Developer and Accessibility Engineer > Senior Frontend and Accessibility Engineer with 6+ years of experience building inclusive, scalable, and high-performance web applications. Specialized in React, Next.js, TypeScript, and accessibility (WCAG, ARIA), with a focus on AI-assisted development workflows, using Claude, Claude Code, GitHub Copilot, and Gemini as part of a design → AI-supported code → developer-validation loop. Author of a public library of WCAG-compliant component patterns consumable as AI skills. Contributed to major platforms across finance, e-commerce, streaming, and agriculture, working with global teams across 28+ countries. Curriculum Vitae · Remote · [View online](https://micaavigliano.com/en/experience) · [Download PDF CV](https://micaavigliano.com/micaela-avigliano-sr-frontend.pdf) · GitHub: https://github.com/micaavigliano · LinkedIn: https://linkedin.com/in/micaelaavigliano --- - From January 2025 to the present ### Frontend Developer and Accessibility Engineer Nespresso In my current role, I serve as a strategic technical bridge between design, product, and engineering teams ensuring the accessibility of the product. My primary focus is ensuring that the frontend architecture remains highly accessible, scalable and performant across 28+ international markets - Orchestrated the accessibility strategy for core HQ UI components, achieving a 90% compliance rate across 28+ international markets and eliminating issues on automated auditing tools. - Architected frontend systems using semantic HTML and ARIA metadata to bridge the gap between user accessibility and Generative Engine Optimization (GEO), ensuring products are highly discoverable for AI-driven search. - Created accessible component patterns skills into the component AI-development lifecycle, accelerating delivery through a prompt-to-PR review process - Defined review patterns and a11y validation checks for AI-assisted code contributions, ensuring that productivity gains from Copilot did not introduce regressions in focus management, ARIA semantics, or keyboard operability. - Act as the primary technical consultant and bridge between Design, Product, and Development, ensuring accessible implementation of complex UI/UX patterns. - Engineered a comprehensive monitoring system using PowerBI to track digital health across all regions, enabling proactive resolution of performance and accessibility regressions. - Developed robust automated testing pipelines using Playwright for web and specialized mobile verification for iOS and Android via BrowserStack to ensure stability across devices. - Created technical documentation and conducted webinars for developers on accessibility best practices and how accessible, semantic frontend architecture directly improves product discoverability by AI agents and generative search engines. - React - Next.js - TypeScript - Tailwind CSS - Contentful - Storybook - WCAG 2.1 - WCAG 2.2 - EN 301 549 - European Accessibility Act - Web Accessibility Directive - Axe - VoiceOver - JavaScript (ES6+) - Drupal - Claude - Claude Code - GitHub Copilot - Gemini - Prompt Engineering - From September 2024 to the present ### Frontend Developer and Accessibility Engineer Freelance Working as a freelance developer and accessibility consultant for high-profile brands and startups. Focus on delivering performant, inclusive, and scalable solutions using modern web technologies, AI-assisted development workflows, and collaborating with global teams. - Built AI-assisted developer tooling on personal projects using Claude Code, including a library of accessibility, SEO, GEO, and AEO-focused skills (frontend-skills) and an ATS-friendly CV builder (friendly-ats-cv-creation) that consumes and generates data via the Gemini API. - Authored a public library of WCAG-compliant component patterns and SEO, GEO, and AEO optimization skills consumable as AI skills (frontend-skills), covering accessibility, search engine optimization, generative engine optimization, and agentic engine optimization, used to enforce consistent standards across client and personal work. - Apply a design → AI-supported code → developer-validation workflow, reviewing AI-generated output for focus management, ARIA semantics, and keyboard operability before it ships. - React - Next.js - TypeScript - Tailwind CSS - Contentful - Storybook - WCAG 2.1 - WCAG 2.2 - EN 301 549 - European Accessibility Act - Web Accessibility Directive - Axe - VoiceOver - Nunjucks - JavaScript (ES6+) - Drupal - Claude API - Gemini API - AI skills #### Project deep dives - #### Harley Davidson - Enhanced accessibility on brand's homepage, including overlays, modals, and navigation - Built components using Next.js, TypeScript, Tailwind CSS, Contentful - Applied accessible interaction patterns using Storybook and WCAG principles - Contributed to a microfrontend architecture - #### BiomeMakers - Built internal dashboards and generated printable PDFs for agricultural analytics - Developed UI with Nunjucks, JavaScript (ES6+), HTML, CSS - Created components like cards, tables, and data visualization modules - Maintained direct client communication and delivery management - #### Supra - Designed and deployed company's full website from scratch for construction/engineering services - Used Next.js, TypeScript, Tailwind CSS, Contentful - Architected site structure and deployed on Vercel with responsive and SEO-ready pages - From January 2024 to October 2024 ### Software Engineer SmartAsset Led the migration of blog and dashboard from legacy architecture to modern tech stack at a fintech platform supporting investors. Focused on improving SEO, performance, and maintainability through server-side rendering and clean, scalable components, resulting in higher user engagement and increased revenue. - Integrated Optimizely SSR for A/B testing, implementing complex user segmentation based on geolocation and behavioral data to deliver high-precision, targeted advertisements, directly increasing platform revenue. - Revitalized Core Web Vitals by engineering a custom image optimization pipeline within WordPress, significantly improving Largest Contentful Paint (LCP) scores and mobile performance. - Built efficient Server-Side Rendering (SSR) patterns for complex features like pagination and data-rich dashboards using Apollo and Next.js, balancing SEO requirements with high-speed data fetching. - Spearheaded the transition from a legacy architecture to a modern React, TypeScript, and GraphQL stack, improving long-term maintainability and increasing overall user engagement. - Developed a suite of high-performance tools, including financial filters and dynamic modals, ensuring consistent state management across the blog and dashboard. - Next.js - React - TypeScript - GraphQL - PHP - WordPress - Optimizely - Mixpanel - Lighthouse - From January 2023 to August 2023 ### Frontend Developer Ceres Imaging Developed dashboards and geospatial tools for agricultural analytics platform supporting growers across North America, Europe, and South America. Played a key role in technical migration while maintaining legacy tools and improving usability and performance. - Developed advanced dashboards and map-based tools using Mapbox and Vue/Vuex, enabling growers across three continents to visualize agricultural analytics in real-time. - Played a key role in migrating internal analytics dashboards from a Django-based system to a modern Next.js and GraphQL architecture to improve interactivity and performance. - Identified and resolved critical geolocation bugs, directly improving the accuracy of data layers for international clients. - Enhanced frontend performance and UI responsiveness across the platform - Vue.js - React - Next.js - GraphQL - Recoil - Vuetify - Material UI - Mapbox - Vercel - From September 2021 to January 2023 ### Frontend Developer and Accessibility Engineer Indeed Worked on multiple consumer-facing platforms and internal tools with a strong focus on accessibility, scalability, and design systems. Had a leadership role in accessibility improvements and testing practices. - Increased unit test coverage from a legacy baseline to 85% by migrating the testing suite to React Testing Library (RTL), drastically reducing regression bugs in consumer-facing flows. - Led the accessibility overhaul for multiple high-traffic platforms, ensuring strict compliance with WCAG 2.1 AA and ARIA standards. - Engineered custom focus management systems to resolve complex keyboard navigation loss, ensuring a seamless experience for users with motor or visual impairments. - Refactored and modernized legacy code into a library of reusable, accessible components documented in Storybook, which accelerated the development of new user flows. - React - TypeScript - Redux - Emotion - Sass - React Testing Library - Storybook - Cypress - Enzyme - WCAG 2.1 AA - WCAG 2.2 - EN 301 549 - European Accessibility Act - Web Accessibility Directive - ARIA - From November 2020 to September 2021 ### Frontend Developer Telecom Argentina Contributed to the development of the Flow Smart TV app, focusing on both legacy maintenance and migration to a modern frontend stack. Addressed major performance and stability issues during high-traffic events. - Developed custom spatial navigation logic for the Flow Smart TV app, optimizing the remote-control interaction model for a high-traffic media platform. - Engineered an accessible queue system that maintained platform stability during peak traffic events (such as live sports), ensuring a consistent user experience. - Contributed to a monorepo strategy and migrated legacy JavaScript (ES6+) and Redux code to a modern Next.js, TypeScript, and React Context stack. - React - Next.js - TypeScript - Redux - React Context - Tailwind CSS - Storybook - JavaScript (ES6+) - From December 2019 to August 2020 ### Accessibility Analyst eSSENTIAL Accessibility Provided technical audits and consulting for global brands in finance, retail, and food industries. Role combined hands-on remediation, client communication, and team mentoring. - Audited sites using axe, NVDA, JAWS, VoiceOver, and keyboard navigation - Conducted evaluations under WCAG 2.1 AA standards - Fixed accessibility issues using HTML, CSS, JavaScript, React - Delivered accessibility reports and action plans to clients - Mentored and trained junior accessibility testers - Collaborated in SCRUM teams across technical and non-technical stakeholders - WCAG 2.1 AA - WCAG 2.2 - EN 301 549 - European Accessibility Act - Web Accessibility Directive - Axe - NVDA - JAWS - VoiceOver - HTML - CSS - JavaScript - React - From June 2019 to December 2019 ### Software Engineer Accenture Argentina Developed responsive web interfaces and improved accessibility in enterprise applications using modern web technologies and cloud services. - Developed native website using Vue.js, JavaScript, HTML/CSS - Implemented responsive design principles and improved accessibility - Used AWS and Node.js for backend integration and cloud deployment - Refactored UI components for better accessibility and responsiveness - Focused on performance optimization and user experience improvements - Vue.js - JavaScript - HTML/CSS - AWS - Node.js - Responsive Design ### Hard Skills - #### Core Frontend - React - Next.js - Vue.js - TypeScript - JavaScript - HTML5 - CSS3 - #### AI-Assisted Development - Claude - Claude Code - Gemini - Code Review Assistance - Automated Testing Suggestions - Documentation Generation - #### Accessibility (A11y) - Axe - Lighthouse - WCAG 2.1 AA - WCAG 2.2 AA - ARIA - Screen Readers - Keyboard Navigation - Browserstack - #### Testing - React Testing Library - Jest - Cypress - Enzyme - #### Styling and UI - Tailwind CSS - Sass - Emotion - Styled Components - Material UI - Vuetify - #### CMS and Tools - Git - GitLab - Bitbucket - Contentful - WordPress - Drupal - #### Data and Analytics - GraphQL - Mixpanel - Optimizely ### Soft Skills - Team Leadership - Client Communication - Technical Writing - Public Speaking - Mentoring and Training - Cross-functional Collaboration - Problem Solving - Empathy and User Advocacy - Project Management - Continuous Learning ### Languages Spanish Native NATIVE English Fluent C2 Italian Intermediate B1