Іван

Ivan Antoschuk
Full Stack Developer
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | Cherkasy, Ukraine
LinkedIn | Telegram | GitHub

SUMMARY
Frontend developer building web products from interface to server: React and Next.js on the client, Supabase or
Node.js with PostgreSQL on the backend, deployment on Vercel. Switched from C# and Unity to the web stack,
freelancing since June 2026 and using Claude Code in the workflow.

EXPERIENCE
Frontend Developer, Freelance, 06/2026 – 10/2026
• Built about 15 landing pages with admin panels for small businesses.
• Built product catalogs for Instagram-based shops with a complex range, with fast viewing and sorting.
• Developed responsive React and TypeScript interfaces from reusable components; managed state with Redux
Toolkit and Zustand.
• Integrated REST APIs; built full-stack projects on Node.js, Express and PostgreSQL (Prisma ORM).
• Domains: E-commerce / Marketplace and SaaS (6 months each).
.NET / C# Developer (Unity), Enthusiast teams, about 1 year
• Developed games in C# on the Unity engine for about a year in enthusiast teams.
• Worked with databases through Entity Framework Core; applied OOP principles.
• Moved to web development and mastered JavaScript, TypeScript and React.

EDUCATION
Ruska Poliana Secondary School (levels I–III), 2017 – 2028 (expected)
• Grade 10. Self-taught web developer: JavaScript, TypeScript, React, Node.js.

PROJECTS
SuityBeauty — Embroidered Shawls E-commerce Store (WordPress, WooCommerce, PHP)
• Developed an e-commerce website for a handmade embroidered shawls and scarves store using WordPress
and WooCommerce.
• Built a custom PHP theme with responsive layouts and tailored WooCommerce functionality.
• Configured product catalog, product variations, shopping cart and checkout functionality.
• Worked on migrating product data from Etsy to WooCommerce, including product images and variations.
• Focused on creating a premium shopping experience for international customers.
Shawarma Site (Next.js, Supabase)
Repository: GitHub | Live demo: shawarma-site-six.vercel.app
• Next.js, React 19 and TypeScript app deployed on Vercel, with Supabase as the backend.
• Client state in Zustand; styling with Tailwind CSS 4 and Base UI; animations with Motion and Lenis, carousels
with Swiper; React Compiler enabled.

SKILLS
• Frontend: React, Next.js, TypeScript, JavaScript (ES6+), HTML5, CSS3, Sass, Tailwind CSS
• State and forms: Redux Toolkit, Zustand, React Hook Form, Zod, React Router
• Backend and data: Node.js, Express.js, Supabase, PostgreSQL, Prisma ORM, Entity Framework Core, REST API,
PHP, WordPress, WooCommerce, .NET, C#, Unity
• Tools: Git, GitHub, Vite, Vercel, Claude Code

ACHIEVEMENTS
• Participant in district school mathematics olympiads.
• Moved from Unity and C# to web development; built a full-stack Next.js and Supabase project.

LANGUAGES
Ukrainian: native | English: B1 (Intermediate)