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Work experience

Fullstack Engineer (React/ Vue/ Svelte & Node.js)

from 08.2023 to now (3 years)
Expert Team, Дистанційно (IT)

Migrated a one-page landing project to React and delivered new features


Refactored UI components and improved overall site performance by ~1.57× (CSS/JS optimization, better component structure)


Improved Core Web Vitals (CWV): LCP 4.5s → 2.2s, CLS 0.30 → 0.05


Implemented SSR and SSG in Next.js


Built Redux state management with reusable actions and async side effects


Achieved ~90% test coverage for key flows, including edge cases


Implemented a micro-frontend approach using Vite


Developed a government NDA form-page solution with print-ready document output


Integrated PWA functionality


Designed a scalable project structure for long-term maintenance and future features


Full-stack delivery: built a form page + backend script using MongoDB and a REST API


Worked on an ERP application for web and desktop with Electron


Implemented file saving to C:\Users<user>\Documents or a custom folder


Implemented local data storage (local DB) for shared data and safer handling of sensitive data


Implemented drag and drop mechanics


Built complex UI for better UX with large datasets and information-heavy screens

Fullstack Developer (React / Node.js)

from 04.2022 to 08.2023 (1 year 5 months)
Tornado (IT)

Education

Dragomanov

Historics, Київ
Higher, from 2020 to 2025 (5 years)

Knowledge and skills

• Здатність до навчання
• HTML
• CSS
• JavaScript
• Git
• React
• GitHub
• Figma
• SASS
• TypeScript
• Node.js
• Bootstrap
• Redux
• SQL
• Next.js
• WordPress
• Webpack
• REST API
• Vue.js
• JQuery
• Svelte.js
• Sveltekit
• React Router
• React Native

Language proficiencies

• Ukrainian — fluent
• English — above average

Additional information

Im a Full-Stack Software Engineer with approximately 4 years of commercial experience specializing in high-performance JavaScript ecosystems. Have expertise spans building scalable web applications, optimizing runtime behavior, and implementing advanced technical SEO strategies.

Core Technical Stack
Frontend: React, Next.js, SvelteKit (including Zero-JS and Static Site Generation architectures).

Backend & Runtime: Node.js, Cloudflare Pages/Workers, and V8 engine internals.

Specializations: Advanced memory management (Object Pooling, Typed Arrays), low-level optimization, and Core Web Vitals orchestration.

Focus Area: Your development philosophy heavily emphasizes sub-millisecond UI responsiveness, minimizing memory allocation churn, and achieving perfect Lighthouse scores.