Frontend Engineer focused on developer tools, real-time applications, web performance, and product engineering.
I enjoy building products that solve real problems for both users and developers.
📍 Spain · Open to Remote / Relocation
💼 LinkedIn: https://linkedin.com/in/denys-kuchma
📧 Email: den.kuchma10@gmail.com
I'm a Frontend Engineer with experience building production products, internal platforms, developer tooling, and complex frontend systems.
I primarily work with Vue and JavaScript, with additional experience in React, and enjoy solving problems related to architecture, performance, real-time systems, and developer experience.
Over the past several years I've worked on:
- production marketplace platforms
- internal CRM systems
- real-time communication features
- developer tools and automation workflows
- frontend architecture and performance optimization
I enjoy solving challenging engineering problems and building products that improve the experience for both users and developers.
- Sole frontend engineer for a production marketplace and internal CRM platform
- Built real-time communication features using WebRTC and WebSocket technologies
- Improved Core Web Vitals and frontend performance on production applications
- Designed modular frontend architectures and optimized build pipelines
- Developed embeddable SDKs and integration systems
- Contributed to testing ecosystems, automation tooling, and developer experience initiatives
- Worked on AI-assisted testing workflows and exploratory testing approaches
- Developer Tools
- Frontend Architecture
- Real-Time Applications
- Performance Engineering
- Product Engineering
- Automation Workflows
- AI-Assisted Testing
JavaScript (ES6+), TypeScript, Vue.js, React
Pinia, Redux Toolkit
SCSS, Tailwind CSS, Bootstrap, MUI
REST, GraphQL, WebSocket, WebRTC
CodeceptJS, Playwright, Cypress, Vitest, Jest
Vite, Webpack, Docker, CI/CD
- Developer tools and automation
- Modern frontend architecture
- Real-time applications
- Performance engineering
- AI-assisted workflows
- Product engineering
💬 Feel free to connect or reach out to discuss frontend engineering, developer tools, testing, or product development.

