Давід

DAVID HURMANCHUK
FRONTEND DEVELOPER

CONTACT PROFILE
[open contact info](look above in the "contact info" section) Frontend Developer focused on the React and Next.js ecosystems, utilizing
TypeScript for type-safe state management. Experienced in architecting
[open contact info](look above in the "contact info" section) scalable applications with custom hooks and reusable UI components
(delivering 38+ components for a single project). Skilled in handling
GitHub complex data flows, including REST API integrations , JWT/OAuth
authentication mechanisms , and bridging client-side interfaces with
LinkedIn Node.js/Express backends.

SKILLS PORTFOLIO

Frontend: React, Next.js, SKILLTRACK
Personal skill tracker with categories, progress logs, and gamification
TypeScript, JavaScript Tech stack: React, TypeScript, Node.js, MongoDB, Tailwind CSS
Backend: Node.js, • Architected application structure with 38+ reusable components and
Express.js custom hooks.
• Implemented JWT authentication, category management, and progress
Styling: Tailwind CSS, tracking system.
• Developed gamified achievement system with activity timeline.
HTML5, CSS3
• Improved performance using caching strategies, skeleton loaders, and
Real-time & APIs: REST optimized state handling.
• Delivered mobile-first responsive UI with modal-based workflows.
API, Fetch, Socket.io, JWT Demo | GitHub Code
Authentication CHATAPP
Real-time chat application with AI integration and modern
Testing: Jest
messaging features
Tools: Git, GitHub, Vite, Tech stack: Next.js, Express, MongoDB, Socket.io, Tailwind CSS,
Groq AI
React Router, ESLint,
• Built a full-stack real-time chat application using Next.js, Express,
Docker Basics, Vercel, MongoDB, and Socket.io.
Render • Implemented JWT and OAuth authentication (Google, GitHub) with
Passport.js.
UI/UX: Responsive • Integrated Groq AI (Llama 3.3 70B) for AI assistant and AI-powered group
chats.
Design, Accessibility,
• Developed live messaging, typing indicators, reactions, online status, and
Framer Motion, GSAP read receipts.
• Designed responsive Tailwind CSS interface for desktop and mobile
devices.
Demo | GitHub Code
LANGUAGES WISH LIST APP
Wishlist management application with REST API
English - B2 integration and responsive UI
Ukrainian - Native speaker
• Developed a responsive React + TypeScript wishlist application with
CRUD operations.
ADDITIONAL • Implemented reusable modal workflows, pagination, sorting, and form
EDUCATION validation.
• Integrated REST API with Context API state management and custom
Mate Academy 2025 hooks.
• Styled responsive UI using Tailwind CSS with accessibility-focused design.
Front-End Developer Course
Demo | GitHub Code

ACHIEVMENTS
• Refactored repeated UI logic into reusable components and hooks across multiple projects.
• Maintained high Lighthouse accessibility and performance scores in production builds.
• Implemented animations and page transitions using Framer Motion and GSAP.
• Added fallback UI and error boundaries for more stable user experience.