Joe Seifi

AI & Agents: OpenAI API, Anthropic Claude API, Claude Code, Cursor, AI SDK, AI Agents, Agentic Systems, Prompt Engineering, Tool Calling, Function Calling, Structured Outputs, JSON Schema, RAG, Vector Search, MCP, Eval-driven Development, AI Safety, Guardrails, LLMs, Machine Learning Operations. Front-End / UI: JavaScript, TypeScript, React, Next.js, App Router, Server Components, Hooks, Redux, XState, GraphQL, Apollo Client, Styled Components, Styled System, CSSinJS, TailwindCSS, Radix UI, Sass, CSS3, HTML, Responsive Design, Animations, Design Systems, UX, DX, Usability, a11y, i18n, Information Architecture, Semantic Markup, Web Components, Web Standards, ARIA, SVG, Canvas, PWA. Tooling & Testing: TurboPack, Turborepo, Webpack, Vite, Astro, PNPM, Babel, ESLint, Prettier, Git...