- Developed the EU's top online car marketplace with React, Redux, React Query, Next.js, Theme UI, Storybook, and Kentico CMS, contributing to the project’s infrastructure and building reusable components with unit and E2E tests (Jest/Playwright).- Implemented key features, including CLP/PDP pages with vehicle filtering, financial tools, and contact functions, utilizing React-intl for multilingual support and Context API for efficient state management.- Set up event tracking with Segment and Google Analytics, added cookie management, and improved SEO, successfully launching the app across UK, NL, and FR domains.

- Developed and optimized Smartcat’s translation platform using Vue, Nuxt, and PWA features, enhancing performance and user experience.- Integrated AI-driven tools for translation and quality assurance, alongside AWS for scalable, secure infrastructure.- Built backend services with Python and Django, utilizing PostgreSQL for efficient data handling and multilingual project tracking.

- Developed engaging, accessible interfaces for college platforms using Vue.js and Vuex, enhancing user experience.- Built and optimized backend services with C#/.NET and PHP/Laravel, integrated with PostgreSQL for fast, reliable data handling.- Deployed on Azure with CI/CD pipelines and automated testing, ensuring scalability, security, and improved deployment efficiency.

- Developed a capital market analytics platform using React, Redux, TypeScript, and GraphQL.- Introduced micro-frontend architecture and built reusable components and data visualizations.- Wrote E2E tests with Cypress and resolved critical technical issues on tight deadlines.

- Developed an on-demand moving and delivery partner app using React, Redux, TypeScript, and GraphQL, with TailwindCSS for styling and Google Maps integration.- Implemented atomic design and global state management with Context API, enhancing maintainability, scalability, and multi-auth layers.- Focused on writing DRY, reusable code, improving performance, responsiveness, and accessibility for a seamless user experience.

- Developed Yamaha's motor marketplace using React, Redux, Next.js, TypeScript, and more, with a CI/CD pipeline on Azure and Docker.- Built modular, documented components with Storybook, integrated authentication, and wire transfers, ensuring quality with Jest and Cypress testing.- Boosted marketplace revenue by over 12% through enhancements on the web platform.