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Hi there, I'm Dmytro Tymoshenko ๐Ÿ‘‹

Frontend Developer | 2+ Years Commercial Experience | Performance Enthusiast

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๐Ÿš€ About Me

I am a Frontend Developer focused on building high-performance, accessible, and user-centric web applications. I specialize in the React/Next.js ecosystem and take pride in shipping pixel-perfect UIs with robust architecture.

  • ๐Ÿ”ญ Currently: Engineering multi-level filtering systems and component libraries at T+ Market.
  • โšก Impact: Reduced LCP from 3.2s to 1.9s and eliminated ~80% of runtime errors in previous SaaS projects.
  • ๐Ÿง  Focus: Clean code, advanced TypeScript patterns, and high-performance state management (Zustand/RTK).
  • ๐ŸŽจ Passion: Combining technical excellence with sleek design and subtle micro-animations.

๐Ÿ› ๏ธ Tech Stack & Skills

Frontend Core
React.js Next.js (App Router) TypeScript JavaScript ES6+
State & Data
Zustand Redux Toolkit React Query Context API
Styling & UI
Tailwind CSS SCSS Framer Motion Figma
Testing & Tools
Jest React Testing Library Vite NX Monorepo Docker

๐Ÿ’ผ Professional Experience

Frontend Developer โ€” T+ Market (E-Commerce)

Dec 2024 โ€“ Present

  • Engineered a multi-level product filtering system with URL-state persistence and SSR support.
  • Developed a scalable component library, reducing code duplication by ~25%.
  • Enforced high quality through Jest/RTL coverage and strict code reviews.

Frontend Developer โ€” AI SaaS Product (Freelance)

Feb 2024 โ€“ Nov 2024

  • Built internal AI interfaces from scratch using Next.js App Router and Zustand.
  • Optimized Core Web Vitals, achieving a 90+ Lighthouse score via advanced lazy loading and image optimization.
  • Integrated GrammyJS for automated workflow delivery, saving the client 5+ hours weekly.

๐ŸŒŸ Featured Projects

  • ๐Ÿ’ฌ Bully Chat: AI-powered chat with streaming responses and optimistic UI updates.
  • ๐Ÿ”ญ Frontend Error Observatory: A tool for visualizing and debugging runtime errors in React apps.
  • ๐ŸŽฎ Contrlve Game: Interactive fan game with complex state management and CSS animations.

๐Ÿ“Š GitHub Insights

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"I enjoy combining coding with humor and creating content that makes the web a better place."

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