• Architected a modular React SPA in TypeScript featuring animated routing, dynamic Markdown rendering, serverless functions, multilingual support, and PWA: buhowski.dev | github.com/buhowski/media-ecosystem

• Developed an inventory dashboard using Next.js, TypeScript, and Redux Toolkit, featuring real-time updates via Socket.IO, PWA support, Docker, and MySQL configuration: github.com/buhowski/inventory-dashboard

• Delivered interactive UIs for diverse digital products with REST API integrations: buhowski.dev/portfolio

• Built responsive website using Astro and Pages CMS with serverless booking workflow connected to Telegram Bot API: github.com/buhowski/car-service

• Optimized performance and Core Web Vitals (LCP, INP, CLS) through critical CSS, JavaScript code splitting, font subsetting, image optimization, and lazy loading

• Owned product vision, platform architecture, and UX strategy for a multilingual cross-industry media ecosystem, designing scalable foundations for future growth and content expansion: buhowski.dev/vision

• Engineered motion-rich, responsive WordPress themes and WooCommerce stores using modular JavaScript and scalable SCSS architecture with CSS variables

• Implemented high-performance GSAP and ScrollTrigger animations, Lottie, and Canvas 2D effects utilizing requestAnimationFrame and sub-pixel interpolation for fluid, precise visual transitions

• Designed and built reusable React components and complex multi-step user flows for a healthcare platform, enhancing maintainability and ensuring a consistent user experience

• Modernized a legacy frontend by replacing jQuery with ES6+ JavaScript, refactoring CSS architecture, and resolving cross-browser compatibility issues in collaboration with a cross-functional team