• Design and implement robust, scalable, and high-performance architecture for React-based applications. • Develop and maintain architecture documentation, guidelines, and best practices. • Write clean, maintainable, and efficient code using React.js and related technologies. • Implement state management solutions (e.g., Redux, MobX) and ensure efficient component architecture. • Write ReactJS applications in Typescript & JavaScript. • Migrate React Components from Class Components to Function Components. • Implement Data Caching in a React App. • Use React Hooks for In-Component State Management. • Use CSS Variables or TailwindCSS to enable dynamic styling. • Add Internationalization & Localization to an Existing React App. • Define Unit, Integration, & E2E Test Structure for a New React App. • Add SSR to your ReactJS Apps via NextJS. • Create React Apps which consume REST APIs / GraphQL / GPRC. • Evaluate Pros & Cons of New UI Frameworks (Svelte, SolidJS, Qwik). • Use Storybook to Document & Catalog a React UI Component Library. • Setup a npm / yarn / pnpm Monorepo for a UI Component Library. • Work on React frameworks like Gatsby.js or Refine .dev to build performant and scalable web applications. • Collaborate with cross-functional teams to design, develop, and deploy new features. • Create and customize themes using Ant Design or Material UI. • Develop user interfaces with a strong understanding of HTML tags and CSS. • Ensure code quality and maintainability with Vanilla JavaScript and core concepts.