Design Patterns, Graphql, Eslint, Typescript, Reactjs, Restful Apis, Webpack, Prettier, Micro Frontends architecture, React Profiler, Babel, Bundle Analyzer, Component-based architectures, Styled components, Front-end performance optimization, Emotion, Core Web Vitals

CSS, Java, Spring, HTML, Node, Microservice architecture, Python, Redux, Javascript, mobx, React Ecosystem, Server-side rendering, Context API, React Router, React Hooks, Styled-components