- Engineered a dynamic service configurator with real-time cost recalculations and automated PDF generationfrom JSON.
- Developed AI-assisted document search leveraging OpenAI API.
- Integrated React components into WordPress architecture for dynamic, editor-friendly UI.
- Optimized performance (+35% PageSpeed) via caching strategies, code-splitting, and lazy loading.
- Containerized services with Docker for repeatable deployments.

- Delivered full-cycle projects for e-commerce and service platforms targeting EU/US markets.
- Built custom WordPress themes and plugins with JavaScript/React-driven UI parts.
- Implemented online learning platform with role-based access, subscriptions and payment flows.
- Developed dating platform features: access levels, real-time notifications, chats and matchmaking logic.
- Maintained PageSpeed 90+ across marketing and product sites through asset optimization and CDN.

- Implemented new frontend features and maintained core UI modules using JavaScript and React.
- Refactored legacy code to improve maintainability and performance.
- Collaborated with backend engineers to integrate REST APIs and adapt third-party solutions.

- Produced pixel-perfect responsive UIs from design mockups using HTML, CSS/SCSS and JavaScript.
- Adopted modular BEM architecture and managed large project structures with npm and Git.
- Delivered cross-browser compatible interfaces and marketing email templates optimized for clients.