Ashfahan Khan

Full-stack developer with 8+ years of experience specializing in modern frontend ecosystems (React, Next.js, Svelte, Remix), design systems, and component architecture. Strong backend expertise in TypeScript, Node.js, Express, Prisma, and NestJS, with Python tooling for LLM-backed product features. Hands-on AI engineering with LangChain, RAG with HyDE retrieval, Hugging Face embeddings, and LangSmith evaluation. Proven in shipping scalable design token architectures, reusable component libraries, Figma-to-code workflows, and production RAG pipelines across healthcare, finance, SaaS, and enterprise software. Passionate about accessibility-first development (ADA/WCAG 2.1 AA), system design, and delivering maintainable, high-performance interfaces.