- React.js, React Native, Next.js, Vue.js, WordPress, Redux-Saga/Redux-Thunk
- Svelte, Angular, Lit
- HTML5, CSS3, SASS / Bootstrap, Styled components
- JavaScript, jQuery, Ajax
- TypeScript
- Ant Design / Material Design / LESS / SASS
- WebPack, NPM, Yarn
- Node.js / Express / RESTful APIs, GraphQL
- JWT, OAuth2, Data Encryption, Secure API Design, XSS/CSRF Protection
- MySQL, MongoDB, PostgreSQL, Redis
- Docker, Kubernetes, Jenkins, GitLab CI, AWS (EC2, S3, Lambda, RDS)
- Microservices, Serverless Architecture