Languages
JavaScript, TypeScript, Python, SQL, HTML5, CSS3
Frontend
React, Next.js, Redux, Tailwind CSS, Sass, Bootstrap, responsive web design, web accessibility, cross-browser compatibility
Mobile
React Native, Expo, iOS and Android applications, push notifications, mobile API integration
Backend & APIs
Node.js, Express.js, FastAPI, REST APIs, GraphQL, WebSockets, third-party API integration, payment integration
Databases
PostgreSQL, MongoDB, MySQL, Redis, Firebase, Supabase, database design
AI Applications
Generative AI, LLM integration, RAG, AI agents, prompt engineering, LLM evaluation, embeddings, semantic search, vector databases, workflow automation
Cloud & Security
AWS, Docker, OAuth 2.0, authentication, API security, application monitoring
Testing & Delivery
Jest, Cypress, unit testing, integration testing, automated testing, debugging, performance optimization, CI/CD, GitHub Actions
Tools & Practices
Git, npm, Webpack, Babel, browser developer tools, Agile development, code review, system design, technical documentation