Hi, I'm Denys Kuchma — Frontend Engineer 👋
Kyiv, Ukraine · Open to Remote / Relocation
LinkedIn · Email
About me
Frontend Engineer focused on building scalable, performant, and real-time web applications.
I primarily work with Vue and JavaScript, with additional experience in React, and enjoy solving problems around architecture, performance, and complex UI systems.
Recently, I’ve been working with:
- real-time features (WebRTC / WebSocket)
- frontend architecture and modular systems
- performance optimization (Core Web Vitals)
- testing ecosystems and AI-assisted automation
Experience highlights
- Built and maintained production marketplace and CRM systems as a sole frontend engineer
- Designed modular architectures and improved build performance (~40%)
- Implemented real-time communication features (audio, video, chat)
- Developed embeddable SDKs and integration systems
- Contributed to testing frameworks and automation workflows (CodeceptJS, AI)
Tech stack
Frontend: JavaScript (ES6+), Vue, React
State & Routing: Pinia, Redux Toolkit, Vue Router
Styling: CSS, SCSS, Tailwind, Bootstrap, MUI
Performance: Core Web Vitals, Lighthouse, optimization techniques
Testing: Jest, Vitest, RTL, CodeceptJS, Playwright, Cypress
Tools: Vite, Webpack, Node.js, Docker, CI/CD
APIs & Realtime: REST, GraphQL, WebSocket, WebRTC