Paulus Zaky

Senior Frontend Engineer with 11+ years crafting performant, accessible, and conversion-optimized user interfaces in React, Next.js, and TypeScript. Specialized in design-system architecture, Core Web Vitals optimization, state management, server-side rendering, and reusable component libraries.

Core stack: React · Next.js · TypeScript · Redux · Tailwind CSS · Vue.js · Storybook · Jest · Cypress · Figma. Frontend contractor for Taco Bell, Arrakis Finance, Wranx, and Beed.

Founder & Senior Frontend Engineer - Mac Outlet - Almere, Netherlands

(2022-06 - 2025-12)

Stack: Next.js (App Router) · React · TypeScript · Tailwind CSS · React Query · Redux · Stripe Elements · Figma

• Built a Next.js storefront UI processing €120K+/month in Dutch and EU markets with Core Web Vitals all green
• Designed a Tailwind + TypeScript component system (40+ shared components) powering checkout, catalog, and admin UI
• Reduced LCP by 62% via image optimization, route-level code splitting, and React Server Components
• Shipped accessible (WCAG 2.1 AA) Stripe / PayPal / Mollie checkout flows with 99.7% conversion completion
• Delivered 25+ frontend engagements for international clients across React, Next.js, and Vue

Senior Frontend Developer - Fixers B.V. - Nieuw Vennep, Netherlands

(2020-06 - 2022-06)

Stack: React · TypeScript · Redux Toolkit · Styled Components · Storybook · Jest · React Testing Library · Cypress

• Shipped 80+ React features to 50K+ active users, owning UI architecture, state management, and design-system adoption
• Built a Storybook-driven component library used across 6+ product surfaces, cutting design-to-code time by 30%
• Raised UI test coverage (Jest + React Testing Library + Cypress) from 30% to 78%, cutting escaped UI defects by 60%
• Migrated legacy class-component code to hooks + Suspense, reducing bundle size by 35%
• Mentored 4 frontend developers via pair programming and code review, with 2 promoted within 12 months

Frontend Developer - Microfix - Amsterdam, Netherlands

(2018-12 - 2020-05)

Stack: JavaScript (ES6+) · jQuery · Vue.js · PHP / Laravel templates · Sass · Bootstrap

• Modernized customer-facing UI from jQuery toward Vue.js components, serving 20K+ monthly users at 99.7% uptime
• Reduced page load times by 45% via lazy loading, image optimization, and front-end refactoring
• Shipped 60+ UI features across the repair-services platform with mobile-responsive layouts
• Drove adoption of component-based UI patterns and design tokens across the team
• Established CI for frontend builds and visual regression checks, cutting manual QA effort by 50%

Frontend Developer - Netherlands Agencies & Studios - Netherlands

(2014-01 - 2018-11)

Stack: JavaScript · jQuery · HTML5 · CSS3 · Sass · Bootstrap · WordPress themes · Responsive Design

• Delivered 15+ responsive web frontends for 5+ agency clients across e-commerce and marketing
• Built reusable component libraries and small e-commerce templates with sub-2-second page loads
• Optimized images, JS bundles, and CSS delivery, achieving 30%+ Lighthouse score improvements
• Translated 50+ Figma / Sketch designs to pixel-perfect responsive HTML / CSS / JS
• Spearheaded code-review and accessibility-review workflows that became team standards

Bachelor of Computer Science - Computer Science - Hogeschool van Amsterdam (2012-01 - 2015-12)

Bachelor of Computer Science - Computer Science - Universiteit van Amsterdam (2012-01 - 2012-12)