Andrii K.
Front-End Developer | JavaScript & Modern CSS
Front-end developer specializing in turning Figma, Sketch, and PSD designs into pixel-perfect, high-performance websites — React, JavaScript, and modern CSS. Top Rated on Upwork with a 100% Job Success Score across 115+ completed jobs. I focus on clean, maintainable code and fast, responsive layouts that hold up across devices and browsers. My core stack: React, JavaScript, Vite, Webpack, Gulp — modular, efficient development SCSS, Tailwind, Bootstrap — clean, scalable styling BEM methodology — structured, reusable CSS Figma / Sketch / Framer / PSD to HTML — precise, high-fidelity conversions What clients get working with me: Pixel-perfect implementation that matches the design, not "close enough" Every project tested with Google PageSpeed Insights before delivery — no slow, bloated pages Clear communication and realistic timelines — no surprises mid-project Detail-oriented, deadline-driven collaboration How I work: Set up the dev environment for transparent, trackable progress Build a structured, scalable layout with performance in mind from the start Implement fully responsive design across all screen sizes Optimize code for speed and long-term maintainability Test thoroughly and refine before final delivery If you need a front-end developer who delivers exactly what was designed — fast, clean, and on time — let's talk about your project. Best regards, Andrii K.