Boris K.

React Frontend Developer with 3,000+ hours on Upwork and a 100% Job Success Score. I build responsive web applications, dashboards, internal tools, and polished product interfaces using React, TypeScript/JavaScript, and modern frontend tooling. I can help with: • React web application development • Figma-to-React implementation • Dashboards, admin panels, tables, forms, filters, and complex UI • REST API integration and server-state management • Responsive layouts for desktop, tablet, and mobile • Reusable components and frontend architecture • UI interactions and GSAP animations • Existing React application improvements and new feature development My primary frontend stack includes React, TypeScript, React Router, TanStack Query, TanStack Table, Zustand, shadcn/ui, Tailwind CSS, Sass/SCSS, styled-components, HTML5, CSS3, and GSAP. I also work with Node.js when a frontend task requires backend understanding, API integration, or changes across the client/server boundary. I work comfortably as part of an existing product team. I collaborate closely with designers on Figma implementation and UI details, and with backend developers on APIs, data structures, authentication, application states, and integration requirements. My focus is maintainable frontend code, accurate UI implementation, responsive behavior, and straightforward communication throughout the project.