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Hi, I'm Andrew Mendola, a Senior Frontend Engineer with 13+ years of experience building scalable, high-performance single-page applications using React, Angular, Vue, and Svelte. I specialize in TypeScript, modern JavaScript, component-driven architecture, and UI performance optimization to deliver responsive, accessible, pixel-perfect interfaces. I collaborate closely with backend/API teams to define data contracts, optimize payloads, and implement design systems. My toolkit includes REST and GraphQL integration, Webpack and Vite tooling, code-splitting, memoization, server-side rendering, and automated testing (Jest, Cypress, Playwright). I’ve led frontend modernization across large SaaS platforms, improving Lighthouse/ Core Web Vitals scores and delivering reliable, delightful user experiences.…Hi, I'm Andrew Mendola, a Senior Frontend Engineer with 13+ years of experience building scalable, high-performance single-page applications using React, Angular, Vue, and Svelte. I specialize in TypeScript, modern JavaScript, component-driven architecture, and UI performance optimization to deliver responsive, accessible, pixel-perfect interfaces. I collaborate closely with backend/API teams to define data contracts, optimize payloads, and implement design systems. My toolkit includes REST and GraphQL integration, Webpack and Vite tooling, code-splitting, memoization, server-side rendering, and automated testing (Jest, Cypress, Playwright). I’ve led frontend modernization across large SaaS platforms, improving Lighthouse/ Core Web Vitals scores and delivering reliable, delightful user experiences.

Andrew Mendola

Front-End Developer, Web Developer, Developer, +4

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Hi, I'm Andrew Mendola, a Senior Frontend Engineer with 13+ years of experience building scalable, high-performance single-page applications using React, Angular, Vue, and Svelte. I specialize in TypeScript, modern JavaScript, component-driven architecture, and UI performance optimization to deliver responsive, accessible, pixel-perfect interfaces. I collaborate closely with backend/API teams to define data contracts, optimize payloads, and implement design systems. My toolkit includes REST and GraphQL integration, Webpack and Vite tooling, code-splitting, memoization, server-side rendering, and automated testing (Jest, Cypress, Playwright). I’ve led frontend modernization across large SaaS platforms, improving Lighthouse/ Core Web Vitals scores and delivering reliable, delightful user experiences.…Hi, I'm Andrew Mendola, a Senior Frontend Engineer with 13+ years of experience building scalable, high-performance single-page applications using React, Angular, Vue, and Svelte. I specialize in TypeScript, modern JavaScript, component-driven architecture, and UI performance optimization to deliver responsive, accessible, pixel-perfect interfaces. I collaborate closely with backend/API teams to define data contracts, optimize payloads, and implement design systems. My toolkit includes REST and GraphQL integration, Webpack and Vite tooling, code-splitting, memoization, server-side rendering, and automated testing (Jest, Cypress, Playwright). I’ve led frontend modernization across large SaaS platforms, improving Lighthouse/ Core Web Vitals scores and delivering reliable, delightful user experiences.

Available to hire

Hi, I’m Andrew Mendola, a Senior Frontend Engineer with 13+ years of experience building scalable, high-performance single-page applications using React, Angular, Vue, and Svelte. I specialize in TypeScript, modern JavaScript, component-driven architecture, and UI performance optimization to deliver responsive, accessible, pixel-perfect interfaces.

I collaborate closely with backend/API teams to define data contracts, optimize payloads, and implement design systems. My toolkit includes REST and GraphQL integration, Webpack and Vite tooling, code-splitting, memoization, server-side rendering, and automated testing (Jest, Cypress, Playwright). I’ve led frontend modernization across large SaaS platforms, improving Lighthouse/ Core Web Vitals scores and delivering reliable, delightful user experiences.

Skills

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Work Experience

Senior Frontend Engineer at Intel

January 1, 2025 - Present

Delivered high-performance SPAs for enterprise dashboards and real-time analytics using React, Angular, Vue, and Svelte. Modernized legacy UIs into a component-driven architecture with reusable design systems. Optimized UI rendering with lazy loading, code splitting, memoization, and virtualization, reducing average load times by 30-45%. Integrated REST & GraphQL APIs with efficient caching (React Query, SWR, Apollo) and improved Lighthouse scores to 90+ across performance, accessibility, and SEO. Built CI/CD pipelines for frontend deployments using GitHub Actions, Docker, and CloudFront caching. Collaborated with backend teams to define API contracts and payload optimizations.

Lead Frontend Engineer at UKG

August 1, 2020 - January 1, 2025

Led large-scale frontend modernization across payroll and workforce SaaS platforms. Migrated legacy modules to React + TypeScript, reducing bundle size by 40%. Built design-system-based UI components shared across multiple teams. Improved performance using RxJS operators (switchMap, debounceTime), onPush change detection, and Angular lazy loading. Implemented accessibility (WCAG 2.1 AA), responsive layouts, and cross-browser compatibility. Built GraphQL-driven dashboards and real-time UI widgets with WebSockets. Strengthened UI testing with Jest + Cypress automation.

Senior Frontend Engineer at Auction123

September 1, 2013 - April 1, 2019

Built inventory and dealer-facing web apps using React, Angular, and Vue. Migrated legacy jQuery/AngularJS components into modern SPAs. Integrated REST APIs with optimized pagination, caching, and data normalization. Reduced user-visible latency by 25% using Webpack optimizations and CDN caching. Built dashboards for reporting and real-time listing updates.

Software Engineer at Insight Software, LLC

June 1, 2012 - March 1, 2013

Built reporting and analytics UI components for enterprise clients. Implemented responsive dashboards with charts, filters, and drill-down visualizations. Enhanced UI performance via DOM optimization, minimized network calls, and caching strategies. Collaborated with backend teams to optimize API payloads and reduce over-fetching.