Іван

IVAN YUZOV
Frontend Developer · React / TypeScript
[відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | github.com/runtimefox | Jakobstad, Finland | Open to remote
SUMMARY
Frontend Developer with one year of commercial experience building and shipping production React and TypeScript applications. Cut page load time by ~30% and recurring production bugs by ~10% on a live web app. Comfortable owning features end to end — from REST API integration and server-state management to accessible, responsive UI and clean, maintainable code.
CORE SKILLS
Core: React, TypeScript, JavaScript (ES6+), Next.js, HTML5, CSS3
State & Data: TanStack Query, Redux Toolkit, RTK Query, Zustand, REST API integration, Axios, JWT / cookie-based auth
Styling & UI: Tailwind CSS, shadcn/ui, Radix UI, responsive design, accessibility
Testing: Jest, React Testing Library
Tooling: Git, GitHub Actions, CI/CD, Vite, ESLint, Prettier, code review, debugging
PROFESSIONAL EXPERIENCE
Frontend Developer Intern — Unilink (IT Company)Feb 2025 – Mar 2026 · Remote
• Cut page load time by ~30% and improved animation render speed by optimizing component rendering and asset loading across the production web app.
• Reduced recurring production bugs by ~10% by debugging and fixing root-cause issues, improving overall application stability.
• Accelerated feature delivery and improved UI responsiveness by introducing TanStack Query for server-state management, replacing manual data-fetching logic.
• Delivered reliable data flow by integrating REST APIs with Axios, handling response and error states across the app, using React, TypeScript, and Zustand.
• Eliminated repetitive manual setup by building a settings-replication feature that copies configuration from one page and applies it to another.
PROJECTS
Bird — Real-Time Social Platform (X/Twitter Clone)github.com/runtimefox/Bird
• Built a real-time social app with Next.js (App Router), React 19, and TypeScript, supporting posts, live interactions, and emoji reactions.
• Enabled instant cross-client updates by implementing Socket.io with Zustand and TanStack Query for state and server-state management.
• Delivered an accessible, consistent component system using shadcn/ui and Radix primitives on Tailwind CSS, with forms via React Hook Form.
Tech: Next.js, React 19, TypeScript, Zustand, TanStack Query, Socket.io, shadcn/ui
Todolist — Full-Stack Task Management Appgithub.com/runtimefox/Todolist
• Developed a full-stack task manager with Next.js 16 and React 19, featuring task creation, editing, and completion tracking.
• Secured the app with JWT / cookie-based auth (access + refresh tokens) and protected routes via Next.js middleware.
• Improved perceived performance with optimistic UI updates via TanStack Query and Axios, plus smooth animations using Framer Motion.
Tech: Next.js, React 19, TypeScript, TanStack Query, Axios, Tailwind CSS
EDUCATION & PROFESSIONAL DEVELOPMENT
Frontend Development — Self-directed study combined with commercial internship experience.
Focus areas: React ecosystem, TypeScript, web performance, REST API integration, modern build tooling.
LANGUAGES
Ukrainian (Native) | Russian (Native) | Swedish (B1) | English (B1)