8 years of hands‑on experience building complex and scalable frontend products using TypeScript, React, Vue.js and Next.js. Architect and implement robust, reusable and maintainable frontend components and libraries. Demonstrate ability to write clean, well‑documented and testable code following best practices and coding standards. Experience implementing seamless data flow between frontend and backend systems via RESTful and GraphQL APIs. Optimize frontend performance for speed, scalability and responsiveness across various devices and browsers. Proven experience implementing and maintaining state‑management solutions such as Tanstack Query, Redux, Zustand, Vuex and Pinia. Apply caching strategies and performance optimizations such as SWR, React Query and lazy loading to ensure rapid page loading and smooth interactions. Work with WebSocket technologies like Socket.io to deliver real‑time dynamic user experiences. Understand web browser functionality and the DOM,...