Programming languages: JavaScript, TypeScript, ES6, Swift, Kotlin
Libraries & frameworks: React.js, Next.js, Node.js, Angular, React Native, Flux, RxJS, Material UI, Axios, React-Router
Markup/Design: HTML, CSS, SASS, Tailwind, Figma, Sketch
Testing: Jest, Mocha, React-testing-library
APIs/Communication: REST APIS, GraphQL, MQTT, WebSockets
Build/Development: Babel, Webpack, npm, yarn
Others: SQL, AWS, Github, Jira, Scrum/Agile, Visual Studio