Participated in projects:1. Promo website for a tourism company,2. Online store for farm-grown berries,3. Web application for a wholesale courier service (China - Russia),4. Web application for a craft brewery.Tools:NextJS, ReactJS, TypeScript, Zustand, Redux Toolkit, Webpack, Vite, ReactContext, React Query, SCSS, CSS3, TailwindCSS, BEM, GitLab, Git, Eslint.Responsibilities:- Developed and adapted React components;- Adapted React components for microdata to improve SEO and data structuring;- Optimized the performance and accessibility of React components using Google Lighthouse;- Developed React components on NextJS with different rendering types (SSR, CSR, RSC);- Wrote unit tests using React Testing Library and Jest.Achievements:- Refactored class-based components into functional components with hooks, improving code readability and maintainability;- Redesigned and simplified the feedback form workflow, reducing steps and streamlining the interface to enhance user experience;- Rewrote the product catalog logic from legacy class-based components to functional hooks;- Improved the SEO of the promo website by integrating microdata and optimizing meta tags, which led to increased organic traffic. Enhanced accessibility by adding ARIA attributes and semantic HTML;- Introduced cross-code reviews, speeding up the release of new features into production;- Quickly implemented the interactive advertising section with multiple "wow" effects using Framer Motion;- Refactored class-based components into functional components with hooks, improving code readability and simplifying support;- Optimized the online questionnaire for accessibility: ensured smooth keyboard navigation without a mouse and screen reader support.