Sergii M.

High-performing web apps need more than just clean code. They must be blazing fast, pixel-perfect, and built to scale. As a Senior Frontend Engineer with 15+ years of experience and $500K+ earned on Upwork, I bridge the gap between complex UI/UX designs and robust, production-ready code. Whether you need a high-converting marketing site, a deep refactoring of legacy code, or a complex SaaS dashboard, I make sure every interactive element and animation feels premium and responsive. 𝐅𝐥𝐮𝐞𝐧𝐭 𝐄𝐧𝐠𝐥𝐢𝐬𝐡: both written and spoken. Clear communication throughout the project, no language barriers 𝐌𝐲 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: ❖ Figma to production-ready React, Next.js, TypeScript, Astro, and Svelte ❖ AI Code Refactoring: Structural optimization of messy legacy or AI-generated frontends (Figma Make/v0) ❖ Advanced bug fixing and frontend code stabilization for complex systems ❖ Modern UI layout and styling using Tailwind CSS, shadcn/ui, Radix UI, and SCSS ❖ High-performance marketing websites, SaaS interfaces, and responsive web apps ❖ Advanced web animations: GSAP, Framer Motion, and CSS micro-interactions ❖ Core Web Vitals optimization for maximum speed, performance, and SEO 𝐇𝐨𝐰 𝐈 𝐮𝐬𝐞 𝐀𝐈 𝐭𝐨 𝐬𝐩𝐞𝐞𝐝 𝐮𝐩 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: I use advanced AI workflows like Claude Code, and Cursor to drastically accelerate project delivery. By combining my 15+ years of engineering background with modern AI code generation, I boost development speed and optimize your budget. This saves time on repetitive tasks and lets me focus on high-level architecture, absolute design accuracy, and bulletproof bug-fixing. — If you have a design that needs to be built right, let's talk. — Skills: React, Next.js, TypeScript, TailwindCSS, HTML, CSS, JavaScript, Figma to HTML, Figma to React, Figma to Next.js, GSAP, Astro, Responsive Design, Pixel-Perfect, Core Web Vitals, SCSS, Bootstrap, Radix, Vercel, Svelte